ICOM orporated 307300 HF/50 MHz TRANSCEIVER User Manual IC 718 Instruction Manual

ICOM Incorporated HF/50 MHz TRANSCEIVER IC 718 Instruction Manual

1. User Manual 1
2. User Manual 2

User Manual 1

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Document ID	1066279
Application ID	7lPzQ8MWnUAH65ANmcjpyQ==
Document Description	User Manual 1
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Permanent Confidential	No
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Document Type	User Manual
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Filesize	208.58kB (2607209 bits)
Date Submitted	2009-02-09 00:00:00
Date Available	2009-02-09 00:00:00
Creation Date	2009-02-04 11:04:19
Producing Software	Acrobat Distiller 8.1.0 (Windows)
Document Lastmod	2009-02-04 11:04:24
Document Title	IC-718 Instruction Manual
Document Creator	Adobe InDesign CS2_J (4.0.5)
Document Author:	Icom Inc.

INSTRUCTION MANUAL
HF/50 MHz TRANSCEIVER
i7600
FOREWORD
Thank you for making the IC-7600 your radio of
choice. We hope you agree with Icom’s philosophy of
“technology first.” Many hours of research and development went into the design of your IC-7600.
D FEATURES
M Ultimate receiver performance: third-order intercept (IP3) of +30 dBm (HF bands only)
M Built-in Baudot RTTY and PSK modulator/demodulator and direct PC keyboard connection capability
for RTTY and PSK operations without a PC
M High resolution spectrum scope— center frequency
and ﬁxed frequency modes, plus mini-scope displays
M USB connectors on front and rear panels
M Large LCD with LED backlight
SUPPLIED ACCESSORIES
The transceiver comes with the following accessories.
Qty.
q Hand microphone ............................................ 1
w DC power cable ............................................... 1
e Spare fuse (ATC 5 A) ...................................... 1
r Spare fuse (ATC 30 A) .................................... 2
t 3.5 (d) mm plug ................................................. 1
IMPORTANT
READ THIS INSTRUCTION MANUAL
CAREFULLY before attempting to operate the
transceiver.
SAVE THIS INSTRUCTION MANUAL. This
manual contains important safety and operating
instructions for the IC-7600.
EXPLICIT DEFINITIONS
WORD
RWARNING
CAUTION
NOTE
DEFINITION
Personal injury, fire hazard or electric
shock may occur.
Equipment damage may occur.
If disregarded, inconvenience only. No risk
of personal injury, ﬁre or electric shock.
FCC INFORMATION
• FOR CLASS B UNINTENTIONAL RADIATORS:
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance
with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful
interference to radio or television reception, which can
be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment
and receiver.
• Connect the equipment into an outlet on a
circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV
technician for help.
Icom, Icom Inc. and the Icom logo are registered trademarks of
Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.
Microsoft, Windows and Windows Vista are either registered trademarks or trademarks of Microsoft Corporation in the United States
and/or other countries.
All other products or brands are registered trademarks or trademarks of their respective holders.
PRECAUTIONS
R WARNING HIGH RF VOLTAGE! NEVER
DO NOT use chemical agents such as benzine
attach an antenna or internal antenna connector
during transmission. This may result in an electrical
shock or burn.
or alcohol when cleaning the IC-7600, as they can
damage the transceiver’s surfaces.
R WARNING! NEVER operate the transceiver
with a headset or other audio accessories at high
volume levels. Hearing experts advise against continuous high volume operation. If you experience a ringing
in your ears, reduce the volume or discontinue use.
DO NOT push the PTT switch when you don’t actually desire to transmit.
DO NOT use or place the transceiver in areas with
temperatures below ±0°C (+32°F) or above +50°C
(+122°F).
R WARNING! Immediately turn the transceiver
DO NOT place the transceiver in excessively dusty
power OFF and remove the power cable if it emits an
abnormal odor, sound or smoke. Contact your Icom
dealer or distributor for advice.
environments or in direct sunlight.
DO NOT place the transceiver against walls or
R CAUTION! NEVER put the transceiver in
any unstable place (such as on a slanted surface or
vibrated place). This may cause injury and/or damage
to the transceiver.
putting anything on top of the transceiver. This may
overheat the transceiver.
Always place unit in a secure place to avoid inadvertent use by children.
settings of the transceiver. This may reduce transceiver performance and/or damage to the transceiver.
BE CAREFUL! If you use a linear amplifier, set the
transceiver’s RF output power to less than the linear
amplifier’s maximum input level, otherwise, the linear
amplifier will be damaged.
In particular, incorrect settings for transmitter circuits,
such as output power, idling current, etc., might
damage the expensive final devices.
BE CAREFUL! The heatsink will become hot when
operating the transceiver continuously for long periods of time.
The transceiver warranty does not cover any problems caused by unauthorized internal adjustment.
Use Icom microphones only (supplied or optional).
Other manufacturers’ microphones have different pin
assignments, and connection to the IC-7600 may
damage the transceiver or microphone.
R CAUTION! NEVER change the internal
R CAUTION! NEVER apply AC power to the
[DC13.8V] socket on the transceiver rear panel. This
could cause a fire or damage the transceiver.
R CAUTION! NEVER apply more than 16 V DC,
such as a 24 V battery, to the [DC13.8V] socket on
the transceiver rear panel. This could cause a fire or
damage the transceiver.
R CAUTION! NEVER let metal, wire or other
objects protrude into the transceiver or into connectors
on the rear panel. This may result in an electric shock.
R CAUTION! NEVER block any cooling vents
on the top, rear or bottom of the transceiver.
R CAUTION! NEVER expose the transceiver to
rain, snow or any liquids.
R CAUTION! NEVER install the transceiver in a
place without adequate ventilation. Heat dissipation
may be reduced, and the transceiver may be damaged.
10
11
The LCD display may have cosmetic imperfections
that appear as small dark or light spots. This is not a
malfunction or defect, but a normal characteristic of
LCD displays.
12
13
During maritime mobile operation, keep the transceiver and microphone as far away as possible from
the magnetic navigation compass to prevent erroneous indications.
14
15
Turn the transceiver power OFF and/or disconnect
the DC power cable when you will not use the transceiver for long period of time.
16
17
For U.S.A. only
CAUTION: Changes or modifications to this device,
not expressly approved by Icom Inc., could void your
authority to operate this device under FCC regulations.
18
19
R CAUTION! NEVER operate or touch the transceiver with wet hands. This may result in an electric
shock or damage to the transceiver.
20
21
TABLE OF CONTENTS
作成中
作成中
10
11
12
13
14
15
16
17
18
19
20
21
TABLE OF CONTENTS
作成中
作成中
10
11
12
13
14
15
16
17
18
19
20
21
1
PANEL DESCRIPTION
N Front panel
TIMER
TX
RX
SPLIT
LOCK
SPLIT
HF/50MHz TRANSCEIVER
POWER
TRANSMIT
PHONES
DUAL
WATCH
TUNER
MONITOR
BAL
NR
CHANGE
1.8
3.5
10
14
18
21
GENE
24
28
50
F-INP ENT
MP-W
MP-R
MW
VFO/MEMO
TWIN-PBT
PBT-CLR
MAIN
/SUB
NOTCH
NOTCH
APF/TPF
CW PITCH
ELEC-KEY
XFC
NB
AF
TS
NR
RF/SQL
RIT
Ӡ TX
CLEAR
RIT/Ӡ TX
MIC
MIC GAIN
F- 1
F- 2
F- 3
F- 4
F- 5
F- 6
SSB
CW
RTTY/ PSK
AM/FM
FILTER
EXIT/SET
RF POWER BK-IN DELAY KEY SPEED
AUTO
TUNE
REC
PLAY
SPEECH
LOCK
VOICE MEMORY
u i o !0
q POWER SWITCH [POWER•TIMER] (p. ??)
While transceiver’s power is OFF:
± Push to turn the transceiver power ON.
• Turn the optional DC power supply ON in advance.
• The indicator on this switch lights green when powered ON.
While transceiver’s power is ON:
± Push momentarily to toggle the timer function
ON and OFF. (p. ??)
• The indicator on this switch lights red when the timer
function is ON.
± Push and hold for 1 sec. to turn the transceiver
power OFF.
w TRANSMIT SWITCH [TRANSMIT]
Selects transmit or receive.
• The [TX] indicator lights red while transmitting and the
[RX] indicator lights green when the squelch is open.
e HEADPHONE JACK [PHONES]
Accepts standard stereo headphones.
• Output power: 5 mW with an 8 ø load.
• When headphones are connected, the internal speaker
or connected external speaker does not function.
r ELECTRONIC KEYER JACK [ELEC-KEY]
Accepts a paddle to activate the internal electronic
keyer for CW operation. (p. ??)
• You can select internal electronic keyer, bug-key or
straight key operation in keyer CW-key screen. (p. ??)
• A straight key jack is located on the rear panel. See
[KEY] on p. ??.
• Keyer polarity (dot and dash) can be reversed in keyer
CW-key screen. (p. ??)
• A 4-channel memory keyer is available for your convenience. (p. ??)
(dot)
(com)
(dash)
t USB (Universal Serial Bus) CONNECTOR
(A type) [USB] (A) (p. ??)
± Insert USB-Memory* for both reading/storing a
wide variety of the transceiver’s information and
data.
• The indicator above the connectors lights or blinks
when the transceiver reads or writes to the memory
data.
• Unmount operation should be performed before removing the USB-Memory* (p.??).
± Connects a PC keyboard for RTTY and PSK operations.
• USB keyboards* are supported.
*: USB-Memory or USB keyboard is not supplied by
Icom.
PANEL DESCRIPTION
y MICROPHONE CONNECTOR [MIC]
Accepts the supplied or optional microphone.
• See p. ?? for appropriate microphones.
• See p. ?? for microphone connector information.
u MIC GAIN CONTROL [MIC GAIN] (p. ??)
Adjusts microphone input gain.
!0 RF GAIN CONTROL/SQUELCH CONTROL
[RF/SQL] (outer control; p. ??)
Adjusts the RF gain and squelch threshold level.
The squelch removes noise output from the speaker
(closed condition) when no signal is received.
• The transmit audio tone in SSB, AM and FM modes can
be adjusted independently in set mode. (p. ??)
 How to set the microphone gain.
Set the [MIC GAIN] control so that the ALC meter
occasionally moves up-scale during normal voice
transmission in SSB, AM or FM mode.
Increases
Push
Decreases
MODE
Recommended level for
an Icom microphone
MIC GAIN
i AF CONTROL [AF] (inner control; p. ??)
Varies the audio output level of the speaker or
headphones.
• The squelch is particularly effective for FM. It is also
available for other modes.
• 12 to 1 o’clock position is recommended for any setting
of the [RF/SQL] control.
• The control can be set as ‘Auto’ (RF gain control in
SSB, CW and RTTY; squelch control in AM and FM)
or squelch control (RF gain is ﬁxed at maximum) in set
mode as follows. (p. ??)
AUTO
SSB, CW
RTTY/PSK
AM, FM
SET MODE SETTING
SQL
RF GAIN + SQL
RF GAIN
SQL
RF GAIN + SQL
SQL
SQL
RF GAIN + SQL
• When setting as RF gain/squelch control
Noise squelch (FM mode)
Recommended level
Squelch is
open.
Maximum
RF gain
Increases
RF gain
adjustable
range
10
S-meter
squelch
11
• When functioning as RF gain control
12
Decreases
o RF POWER CONTROL [RF PWR] (p. ??)
Continuously varies the RF output power from minimum (2 W*) to maximum (100 W*).
*AM mode: 1 W to 30 W
Push
Decreases
min. 2 W
(1 W for AM)
Increases
max. 100 W
(30 W for AM)
(Squelch is ﬁxed open; SSB, CW, RTTY only)
13
14
Maximum
RF gain
Adjustable
range
15
Minimum RF gain
16
• When functioning as squelch control
(RF gain is ﬁxed at maximum.)
17
Noise squelch (FM mode)
Noise squelch
threshold
(FM mode)
Squelch is
open.
Shallow
18
S-meter squelch
threshold
19
S-meter
squelch
20
Deep
While rotating the RF gain control, noise may be
heard. This comes from the DSP unit and does not
indicate an equipment malfunction.
21
1
PANEL DESCRIPTION
N Front panel (continued)
!3
TIMER
TX
RX
SPLIT
LOCK
SPLIT
HF/50MHz TRANSCEIVER
POWER
TRANSMIT
PHONES
DUAL
WATCH
TUNER
MONITOR
BAL
NR
CHANGE
1.8
3.5
10
14
18
21
GENE
24
28
50
F-INP ENT
MP-W
MP-R
MW
VFO/MEMO
TWIN-PBT
PBT-CLR
MAIN
/SUB
M.SCOPE
NOTCH
NOTCH
APF/TPF
CW PITCH
ELEC-KEY
XFC
NB
AF
TS
NR
RF/SQL
RIT
MIC GAIN
F- 1
F- 2
F- 3
F- 4
F- 5
F- 6
SSB
CW
RTTY/ PSK
AM/FM
FILTER
EXIT/SET
RF POWER BK-IN DELAY KEY SPEED
!1
AUTO
TUNE
REC
PLAY
SPEECH
LOCK
!2
Short delay
for high speed
keying (2 dot)
Long delay for
slow speed
keying (13 dot)
!2 ELECTRONIC CW KEYER SPEED CONTROL
[KEY SPEED] (p. ??)
Adjusts keying speed for the internal electronic CW
keyer from 6 wpm (min.) to 48 wpm (max.).
Fast
(48 wpm)
Push
CLEAR
VOICE MEMORY
!1 BREAK-IN DELAY CONTROL
[BK-IN DELAY] (p. ??)
Adjusts the transmit-to-receive switching delay time
for CW semi-break-in operations.
Push
Ӡ TX
RIT/Ӡ TX
MIC
Slow
(6 wpm)
!3 MULTI-FUNCTION SWITCHES
Push to select the functions indicated in the LCD
display to the right of these switches.
• Functions vary depending on the operating condition.
MF1 (MULTI-FUNCTION 1 SWITCH)
ANT SWITCH (ANT)
± Selects the antenna connector between ANT1 and ANT2 when pushed.
(p. ??)
± Turns the [RX ANT] (receive antenna)
ON and OFF when pushed and held
for 1 sec.
• When the receive antenna is activated,
the antenna which is connected to the
[ANT1] or [ANT2] is used for transmission only.
When a transverter is in use, this [ANT]
does not function and ‘TRV’ appears.
MF2 (MULTI-FUNCTION 2 SWITCH)
METER SWITCH (METER)
± Selects RF power (Po), SWR, ALC,
COMP, VD or ID metering during transmit. (p. ??)
± Switches the multi-function digital
meter ON and OFF when pushed and
held for 1 sec. (p. ??)
PANEL DESCRIPTION
MF3 (MULTI-FUNCTION 3 SWITCH)
P.AMP SWITCH (P.AMP)
± Selects one of 2 receive RF preamps
or bypasses them. (p. ??)
• “P. AMP1” activates 10 dB preamp.
• “P. AMP2” activates 16 dB high-gain preamp.
• “P. AMP OFF” can also be selected.
± Turns the preamp function OFF when
pushed and held for 1 sec. (p. ??)
 What is the preamp?
The preamp ampliﬁes signals in the front end to improve S/N ratio and sensitivity. Select “P. AMP1” or
“P. AMP2” when receiving weak signals.
MF4 (MULTI-FUNCTION 4 SWITCH)
ATT SWITCH (ATT)
± Selects 6 dB, 12 dB or 18 dB attenuator when pushed. (p. ??)
• “ATT OFF” can also be selected.
± Turns the attenuator function OFF
when pushed and held for 1 sec.
(p. ??)
 What is the attenuator?
The attenuator prevents a desired signal from being
distorted when very strong signals are near the desired frequency, or when very strong electromagnetic ﬁelds, such as from a broadcasting station,
are near your location.
MF5 (MULTI-FUNCTION 5 SWITCH)
AGC SWITCH (AGC)
± Activates and selects fast, middle or
slow AGC time constant when pushed.
(p. ??)
• In FM mode, only “FAST” is available.
± Enters the AGC set mode when
pushed and held for 1 sec. (p. ??)
AGC time constant can be set between
0.1 to 8.0 sec. (depends on mode), or
turned OFF. When AGC is “OFF,” the Smeter does not function.
 What is the AGC?
The AGC controls receiver gain to produce a constant audio output level, even when the received
signal strength varies dramatically. Select “FAST”
for tuning and then select “MID” or “SLOW” depending on the receiving condition.
MF6 (MULTI-FUNCTION 6 SWITCH)
VOX SWITCH (VOX)
± Push to turn the VOX function ON and
OFF during SSB, AM and FM mode
operation. (p. ??)
± Push and hold for 1 sec. to enter VOX
set mode. (p. ??)
 What is the VOX function?
The VOX function (voice operated transmission)
activates transmission without pushing the transmit switch or PTT switch when you speak into the
microphone; then automatically returns to receive
when you stop speaking.
BK-IN SWITCH (BK-IN)
± Selects semi break-in, full break-in operation, or turns the break-in operation
OFF when pushed in CW mode.
(p. ??)
 What is the break-in function?
The break-in function switches transmit and receive
with CW keying. Full break-in function (QSK) can
monitor the receive signal during keying.
MF7 (MULTI-FUNCTION 7 SWITCH)
COMP SWITCH (COMP)
± Turns the speech compressor ON and
OFF in SSB mode. (p. ??)
± Switches the narrow, middle or wide
compression when pushed and held
for 1 sec.
10
11
 What is the speech compressor?
The speech compressor compresses the transmitter audio input to increase the average audio output
level, to increase talk power. This function is effective for long-distance communication or when propagation conditions are poor.
1⁄4
12
13
14
SWITCH (1⁄4)
± Turns the 1⁄4 speed tuning function ON
and OFF in SSB data, CW, RTTY and
PSK modes. (p. ??)
15
• 1⁄4 function sets dial rotation to 1⁄4 of normal speed for ﬁne tuning.
17
TONE SWITCH (TONE)
± Switches between the tone encoder,
tone squelch function and no-tone
operation when pushed in FM mode.
(pgs. ??, ??)
± Enters the tone set mode when pushed
and held for 1 sec. in FM mode.
(pgs. ??, ??)
18
16
19
20
21
1
PANEL DESCRIPTION
N Front panel (continued)
!6 !5 !4
TIMER
TX
RX
SPLIT
LOCK
SPLIT
HF/50MHz TRANSCEIVER
POWER
TRANSMIT
!7
!8
DUAL
WATCH
TUNER
MONITOR
BAL
PHONES
NR
CHANGE
1.8
3.5
10
14
18
21
GENE
TWIN-PBT
24
28
50
F-INP ENT
MP-W
MP-R
MW
VFO/MEMO
PBT-CLR
MAIN
/SUB
M.SCOPE
XFC
!9
NB
APF/TPF
CW PITCH
AF
TS
NR
RF/SQL
RIT
Ӡ TX
CLEAR
RIT/Ӡ TX
MIC
MIC GAIN
AUTO
TUNE
F- 1
F- 2
F- 3
F- 4
F- 5
F- 6
SSB
CW
RTTY/ PSK
AM/FM
FILTER
EXIT/SET
RF POWER BK-IN DELAY KEY SPEED
@0
REC
SPEECH
PLAY
LOCK
VOICE MEMORY
@1
!4 NOISE REDUCTION SWITCH [NR] (p. ??)
Push to switch DSP noise reduction ON and OFF.
• The indicator on this switch lights green when the function is activated.
@2
@3
@4 @5 @6
• The CW sidetone functions regardless of the [MONITOR] switch setting in CW mode.
• The indicator on this switch lights green while the function is activated.
@7
@8
@9
!8 BALANCE CONTROL [BAL] (inner control; p. ??)
Adjusts the audio output balance between main and
sub readout frequencies while in dualwatch.
Increases sub
readout gain
!5 MONITOR SWITCH [MONITOR] (p. ??)
Monitors your transmitted IF signal.
Increases main
readout gain
• The indicator on this switch lights green when the
tuner is turned ON, goes off when tuner is turned
OFF (bypassed).
!9 NOISE BLANKER SWITCH [NB] (p. ??)
± Switches the noise blanker ON and OFF when
pushed. The noise blanker reduces pulse-type
noise such as that generated by automobile ignition systems. This function cannot be used in FM
mode, or on non-pulse-type noise.
± Tunes the antenna tuner manually when pushed
and held for 1 sec.
• The indicator on this switch lights green while the
function is activated.
!6 ANTENNA TUNER SWITCH [TUNER] (p. ??)
± Turns the internal antenna tuner ON and OFF
(bypass) when pushed momentarily.
• The indicator on this switch blinks red during manual
tuning.
• When the tuner cannot tune the antenna, the tuning
circuit is bypassed automatically after 20 sec.
!7 NOISE REDUCTION LEVEL CONTROL [NR]
(outer control; p. ??)
Adjusts the DSP noise reduction level when the
noise reduction function is in use. Set for maximum
readability.
• To use this control, push [NR] (!4) in advance.
Increases
Decreases
NOTCH
NOTCH
ELEC-KEY
± Enters the noise blanker level set mode when
pushed and held for 1 sec.
@0 LCD FUNCTION SWITCHES [F-1] to [F-6]
Push to select the function indicated in the LCD display above these switches.
• Functions vary depending on the operating condition.
PANEL DESCRIPTION
@1 MODE SWITCHES
Selects the desired mode. (p. ??)
• Announces the selected mode via the speech synthesizer. (p. ??)
[SSB]
± Selects USB and LSB modes alternately when
pushed.
± Selects SSB data mode (USB-D, LSB-D) when
pushed and held for 1 sec. in SSB mode.
• In SSB data mode, push to return to SSB mode.
± Switches D1, D2 and D3 when pushed and held
for 1 sec. in SSB data mode.
[CW]
Selects CW and CW-R (CW reverse) modes alternately when pushed.
@5 VOICE MEMORY PLAYBACK SWITCH [PLAY]
(p. ??)
± Push to playback the previously recorded audio
for the preset time period.
± Push and hold for 1 sec. to playback all of the
previously recorded audio.
@6 AUTOMATIC TUNING SWITCH [AUTO TUNE]
(p. ??)
Turns the automatic tuning function ON and OFF in
CW and AM modes.
[RTTY/PSK]
± Selects RTTY and PSK modes alternately when
pushed.
± Switches RTTY and RTTY-R (RTTY reverse)
mode when pushed and held for 1 sec. in RTTY
mode.
± Switches PSK and PSK-R (PSK reverse) mode
when pushed and held for 1 sec. in PSK mode.
@7 MAIN DIAL
Changes the displayed frequency, selects set mode
setting, etc.
[AM/FM]
± Selects AM and FM modes alternately.
± Selects AM or FM data mode (AM-D/FM-D)
when pushed and held for 1 sec. in AM or FM
mode, respectively.
± Push and hold for 1 sec. to turn the dial lock
function ON and OFF. (p. ??)
• In AM or FM data mode, push to return to AM or FM
mode, respectively.
± Switches D1, D2 and D3 when pushed and held
for 1 sec. in AM or FM data mode.
@2 FILTER SWITCH [FILTER] (p. ??)
± Push to select one of 3 IF ﬁlter settings.
± Push and hold for 1 sec. to display the ﬁlter set
screen.
@3 EXIT/SET SWITCH [EXIT/SET]
± Push to exit, or return to the previous screen indication during spectrum scope, memory, scan
or set mode screen display.
± Push and hold for 1 sec. to display the set mode
menu screen.
@4 VOICE MEMORY RECORD SWITCH [REC]
(p. ??)
± Push to record the previous received signal for
the preset time period.
• The preset time period can be set in voice set mode.
(p. ??)
IMPORTANT!
When receiving a weak signal, or receiving a signal with interference, the automatic tuning function may tune the receiver to an undesired signal.
@8 SPEECH/LOCK SWITCH [SPEECH/LOCK]
± Push to announce the S-meter indication and the
selected frequency. (p. ??)
• The parameters to be announced can be selected in
the others set mode. (p. ??)
• The dial lock function electronically locks the main
dial.
• The lock indicator lights while the dial lock function is
activated.
10
11
NOTE: The [SPEECH/LOCK] switch operation to
activate the voice synthesizer or the dial lock
functions can be replaced in others set mode
screen. (p. ??)
12
13
@9 RIT/∂TX CONTROL [RIT/∂TX] (pgs. ??, ??)
Shifts the receive and/or transmit frequency without changing the transmit and/or receive frequency
shown on the main VFO while the RIT and/or ∂TX
functions are/is ON.
14
15
• Rotate the control clockwise to increase the frequency,
or rotate the control counterclockwise to decrease the
frequency. The RIT or ∂TX functions must be ON.
• The shift frequency range is ±9.999 kHz in 1 Hz steps
(or ±9.99 kHz in 10 Hz steps).
16
17
18
High shift
19
Low shift
20
± Push and hold for 1 sec. to record the received
signal until the recording is cancelled.
21
• Push this switch momentarily to stop recording.
• The memory records the latest 30 sec. of audio.
1
PANEL DESCRIPTION
N Front panel (continued)
#0
TIMER
#1 #2 #3
TX
#4 #5
RX
SPLIT
#6 #7
LOCK
SPLIT
HF/50MHz TRANSCEIVER
POWER
TRANSMIT
DUAL
WATCH
TUNER
MONITOR
BAL
PHONES
NR
CHANGE
#8
#9
1.8
3.5
10
14
18
21
GENE
24
28
50
F-INP ENT
MP-W
MP-R
MW
VFO/MEMO
TWIN-PBT
PBT-CLR
MAIN
/SUB
M.SCOPE
$0
NOTCH
NOTCH
APF/TPF
$1
CW PITCH
ELEC-KEY
XFC
NB
AF
TS
$2
NR
RF/SQL
RIT
CLEAR
RIT/Ӡ TX
MIC
MIC GAIN
F- 1
F- 2
F- 3
F- 4
F- 5
F- 6
SSB
CW
RTTY/ PSK
AM/FM
FILTER
EXIT/SET
RF POWER BK-IN DELAY KEY SPEED
#0 TRANSMIT INDICATOR [TX]
Lights red while transmitting.
#1 RECEIVE INDICATOR [RX]
Lights green while receiving a signal and when the
squelch is open.
#2 LCD FUNCTION DISPLAY (p. ??)
Shows the operating frequency, function switch
menus, spectrum scope screen, memory list
screen, set mode settings, etc.
#3 SPLIT OPERATION INDICATOR [SPLIT]
Lights during split frequency operation.
#4 MAIN/SUB CHANGE SWITCH [CHANGE]
± Switches the frequency and selected memory
channel between main and sub readouts when
pushed.
• Switches between transmit frequency and receive
frequency when the split frequency function is ON.
(p. ??)
± Equalizes the sub readout frequency to the main
readout frequency when pushed and held for 1
sec.
#5 LOCK INDICATOR [LOCK] (p. ??)
Lights when the dial lock function is activated.
#6 DUALWATCH SWITCH [DUALWATCH] (p. ??)
± Push to turn the dualwatch function ON and
OFF.
•“
” appears when the dualwatch function
is in use.
± Push and hold for 1 sec. to turn the dualwatch
function ON and equalizes the sub readout frequency to the main readout. (Quick dualwatch
function)
• The quick dualwatch function can be turned OFF in
others set mode. (p. ??)
$3
AUTO
TUNE
REC
PLAY
SPEECH
LOCK
VOICE MEMORY
$5
Ӡ TX
$4
#7 SPLIT SWITCH [SPLIT] (p. ??)
± Push to turn the split function ON and OFF.
•“
” appears when the split function is in
use.
± Push and hold for 1 sec. to activate the quick
split function.
• The split function ON and equalize the sub readout
frequency to the main readout and sets the sub readout for frequency input in non-FM modes. (p. ??)
• The offset frequency is shifted from the selected VFO
frequency in FM mode. (p. ??)
• The quick split function can be turned OFF in others
set mode. (p. ??)
#8 KEYPAD
± Pushing a key selects the operating band. (p. ??)
• [GEN •] selects the general coverage band.
± Pushing the same key 2 or 3 times calls up other
stacked frequencies in the band. (p. ??)
• Icom’s triple band stacking register memorizes 3 frequencies in each band.
± After pushing [F-INP ENT], push a key on the
keypad to enter a numeric frequency. After entering, push [F-INP ENT] to select the desired
frequency directly (p. ??)
• e.g. to enter 14.195 MHz;
Push [F-INP ENT] [1] [4] [•] [1] [9] [5] [F-INP ENT].
± After pushing [F-INP ENT], push a key on the
keypad to enter a memory channel. after entering, push [∫]/[√] to select the desired memory
channel directly. (p. ??)
#9 PBT CLEAR SWITCH [PBT-CLR] (p. ??)
Push and hold for 1 sec. to clear the PBT settings.
• The indicator on this switch lights green when PBT is in
use.
PANEL DESCRIPTION
$0 PASSBAND TUNING CONTROLS [TWIN-PBT]
(p. ??)
Adjusts the receiver’s IF ﬁlter “passband width” via
the DSP.
• Passband width and shift frequency are displayed in the
multi-function display.
• Push and hold [PBT-CLR] for 1 sec. to clear the PBT
settings.
• Adjustment range is set to half of the IF ﬁlter passband
width. 25 Hz steps and 100 Hz steps are available.
 What is the PBT control?
The PBT function electronically modiﬁes the IF passband
width to reject interference. This transceiver uses the DSP
circuit for the PBT function.
PBT2
–
• Use [RIT/∂TX] control to vary the ∂TX frequency.
± Push and hold for 1 sec. to add the ∂TX shift
frequency to the operating frequency.
 What is the ∂TX function?
∂TX shifts the transmit frequency without shifting the receive frequency. This is useful for simple split frequency
operation in CW, etc.
$3 CLEAR SWITCH [CLEAR] (pgs. ??, ??)
Push or push and hold for 1 sec.* to clear the RIT/
∂TX shift frequency.
$4 TRANSMIT FREQUENCY CHECK SWITCH
[XFC] (p. ??)
Monitors the transmit frequency (including ∂TX frequency offset) when pushed and held during split
frequency operation.
Center
$2 ∂TX SWITCH [∂TX] (p. ??)
± Push to turn the ∂TX function ON and OFF.
* Depending on the quick RIT/∂TX clear function setting
(p. ??).
PBT1
High cut
Low cut
$1 NOTCH SWITCH [NOTCH] (p. ??)
± Switches the notch function between auto, manual and OFF in SSB and AM modes.
± Turns the manual notch function ON and OFF
when pushed in CW, RTTY and PSK mode.
± Turns the auto notch function ON and OFF when
pushed in FM mode.
• While pushing and holding this switch, the transmit
frequency can be changed with the main dial, keypad,
memo pad or [∫]/[√] switches.
• When the split lock function is turned ON, pushing [XFC]
cancels the dial lock function. (p. ??)
$5 MAIN/SUB•M.SCOPE SWITCH
[MAIN/SUB•M.SCOPE]
± Push to select access to the main or sub readout. (p. ??)
10
• The selected readout frequency is displayed clearly.
The sub readout functions only during split operation
or dualwatch.
11
± Push and hold for 1 sec. to turn the mini spectrum scope screen indication ON and OFF.
(p. ??)
12
13
• The mini spectrum scope screen can be indicated
with another screen, such as memory, set mode
screen, simultaneously.
14
•“
” appears when manual notch is in use.
•“
” appears when auto notch is in use.
• No indicator appears when the notch function is not
in use.
15
16
± Push and hold for 1 sec. to switch the manual
notch characteristics from wide, middle and narrow when manual notch function is activated.
17
• The indicator on this switch lights green when the
function is activated.
18
 What is the notch function?
19
The notch function is a narrow ﬁlter that eliminates unwanted CW or AM carrier tones while preserving the desired voice signal. The DSP circuit automatically adjusts
the notch frequency to effectively eliminate unwanted
tones.
20
21
1
PANEL DESCRIPTION
N Front panel (continued)
$6 $7 $8 $9 %0 %1
TIMER
TX
RX
SPLIT
LOCK
SPLIT
HF/50MHz TRANSCEIVER
POWER
TRANSMIT
PHONES
DUAL
WATCH
TUNER
MONITOR
BAL
NR
CHANGE
1.8
3.5
10
14
18
21
GENE
24
28
50
F-INP ENT
MP-W
MP-R
MW
VFO/MEMO
TWIN-PBT
PBT-CLR
MAIN
/SUB
M.SCOPE
NOTCH
NOTCH
APF/TPF
CW PITCH
ELEC-KEY
XFC
NB
AF
%2
%3
%4
TS
NR
RF/SQL
RIT
Ӡ TX
CLEAR
%5
RIT/Ӡ TX
MIC
MIC GAIN
AUTO
TUNE
F- 1
F- 2
F- 3
F- 4
F- 5
F- 6
SSB
CW
RTTY/ PSK
AM/FM
FILTER
EXIT/SET
RF POWER BK-IN DELAY KEY SPEED
$6 MEMORY UP/DOWN SWITCHES [∫]/[√] (p. ??)
± Push to select the desired memory channel.
• Memory channels can be selected both in VFO and
memory modes.
± Push to select the desired memory channel directly after pushing [F-INP ENT] and a memory
channel number.
$7 MEMO PAD-WRITE SWITCH [MP-W] (p. ??)
Programs the displayed readout frequency and operating mode into a memo pad.
• The 5 most recent entries remain in memo pads.
• The memo pad capacity can be expanded from 5 to 10
in others set mode. (p. ??)
$8 MEMORY WRITE SWITCH [MW] (p. ??)
Stores the selected readout frequency and operating mode into the displayed memory channel when
pushed and held for 1 sec.
• This function is available both in VFO and memory
modes.
$9 MEMO PAD-READ SWITCH [MP-R] (p. ??)
Each push calls up a frequency and operating
mode in a memo pad. The 5 (or 10) most recently
programmed frequencies and operating modes can
be recalled, starting from the most recent.
• The memo pad capacity can be expanded from 5 to 10
in others set mode. (p. ??)
REC
PLAY
SPEECH
LOCK
VOICE MEMORY
%0 VFO/MEMORY SWITCH [VFO/MEMO]
± Switches the selected readout operating mode
between the VFO and memory when pushed.
(pgs. ??, ??)
± Transfers the memory contents to VFO when
pushed and held for 1 sec. (p. ??)
%1 QUICK TUNING SWITCH [TS]
± Turns the quick tuning step ON and OFF. (p. ??)
• While the quick tuning indicator, “Z,” is displayed
above the frequency indication, the frequency can be
changed in programmed kHz steps.
• 0.1, 1, 5, 9, 10, 12.5, 20 and 25 kHz steps are available for each operating mode independently.
± When the quick tuning step is ON, push and hold
for 1 sec. to enter quick tuning step set mode.
(p. ??)
± When the quick tuning step is OFF, push and
hold for 1 sec. to turn the 1 Hz tuning step ON
and OFF. (p. ??)
%2 AUDIO PEAK FILTER/TWIN PEAK FILTER
SWITCH [APF/TPF]
During CW mode operation (p. ??)
± Push to turn the audio peak ﬁlter ON and OFF.
•“
” appears when audio peak ﬁlter is in use.
± When the audio peak ﬁlter is ON, push and hold
for 1 sec. to select the APF passband width from
WIDE, MID and NAR or from 320, 160 and 80 Hz
depending on APF type setting.
During RTTY mode operation (p. ??)
± Push to turn the twin peak ﬁlter ON and OFF.
•“
” appears when twin peak ﬁlter is in use.
• The indicator on this switch lights green when the
function is activated.
PANEL DESCRIPTION
%3 CW PITCH CONTROL [CW PITCH]
(outer control; p. ??)
Shifts the received CW audio pitch and the CW
side tone pitch without changing the operating frequency.
Higher frequency
Lower frequency
%4 MANUAL NOTCH FILTER CONTROL [NOTCH]
(inner control; p. ??)
Varies the notch frequency of the manual notch ﬁlter to reject an interfering signal while the manual
notch function is ON.
• Notch ﬁlter center frequency:
LSB : –1040 Hz to 4060 Hz
USB : –1060 Hz to 4040 Hz
CW : CW pitch freq. –2540 Hz to CW pitch freq.
2540 Hz
AM : –5100 Hz to 5100 Hz
Higher frequency
Lower frequency
%5 RIT SWITCH [RIT] (p. ??)
± Push to turn the RIT function ON and OFF.
• Use [RIT/∂TX] control to vary the RIT frequency.
± Push and hold for 1 sec. to add the RIT shift frequency to the operating frequency.
 What is the RIT function?
The RIT (Receiver Incremental Tuning) shifts the receive
frequency without shifting the transmit frequency.
This is useful for ﬁne tuning stations calling you off-frequency or when you prefer to listen to slightly differentsounding voice characteristics, etc.
10
11
12
13
14
15
16
17
18
19
20
21
10
1
PANEL DESCRIPTION
N Rear panel
X-VERTER
ANT
DC 13.8V
RX-ANT
IN
OUT
ACC
ALC
SEND
!1
!0
KEY
METER
REMOTE EXT-SP
TUNER
!7
!6 !5
!4 !3
!2
q GROUND TERMINAL [GND] (p. ??)
Connect this terminal to a ground to prevent electrical shocks, TVI, BCI and other problems.
w ANTENNA CONNECTOR 1 [ANT1]
e ANTENNA CONNECTOR 2 [ANT2] (pgs. ??, ??)
Accept a 50 ø antenna with a PL-259 plug connector.
When using an optional AH-4 HF/50 MHz AUTOMATIC ANTENNA TUNER, connect it to the [ANT1]
connector. The internal antenna tuner activates
for [ANT2] and deactivates for [ANT1] when connecting the AH-4.
r DC POWER SOCKET [DC 13.8V] (p. ??)
Accepts 13.8 V DC through the supplied DC power
cable.
Rear panel view
t EXTERNAL SPEAKER JACK [EXT-SP] (p. ??)
Connects an external speaker (4–8 ø), if desired.
y CI-V REMOTE CONTROL JACK [REMOTE]
(pgs. ??, ??)
± Connects a PC via the optional CT-17 CI-V LEVEL
CONVERTER for external control of the transceiver.
± Used for transceive operation with another Icom
CI-V transceiver or receiver.
11
o i u
y t
u USB (Universal Serial Bus) CONNECTOR (B type)
[USB] (B)
Connect an USB cable to be used for the modulation input (p. ??), the transceiver operation with PC
and the received audio import to the PC.
CAUTION:
For Windows® XP/2000:
NEVER install the USB driver into the PC before
connecting the transceiver and PC using with an
USB cable.
For Windows Vista™:
NEVER connect a PC using with an USB cable
until the USB driver installation has been completed.
About the USB driver:
Icom HP (http://www.icom.co.jp/world/support/
index.html) gives the USB driver and the installation guide download service.
The following items are required:
PC
• Microsoft® Windows® XP/2000 or
Microsoft® Windows Vista™ installed
• With USB port
Other items
• USB cable (third party’s)
• PC software
About the modulation input:
Select “USB” in the ACC set mode item ‘DATA OFF
MOD,’ ‘DATA1 MOD,’ ‘DATA2 MOD’ or ‘DATA3 MOD.’
And the modulation input level from USB jack can
be set in the ACC set mode item ‘USB MOD Level.’
(p. ??)
PANEL DESCRIPTION
i METER JACK [METER] (p. ??)
Outputs a signal showing received signal strength,
transmit output power, VSWR, ALC, speech compression, VD or ID level for external meter indication.
o STRAIGHT KEY JACK [KEY] (p. ??)
Accepts a straight key or external electronic keyer
with 1⁄4 inch standard plug.
• [ELEC-KEY] on the front panel can be used for a
straight key or external electronic keyer. Deactivate the
internal electronic keyer in keyer set mode. (p. ??)
(+)
!5 RECEIVE ANTENNA IN [RX ANT– IN]
!6 RECEIVE ANTENNA OUT [RX ANT– OUT]
Located between the transmit/receive switching circuit and receiver’s RF stage.
Connects an external unit, such as preampliﬁer or
RF ﬁlter, using RCA connectors, if desired.
In this case, the antenna connector must be selected as “ANT 1/R” or “ANT 2/R.” (p. ??)
• When no external unit is connected, “ANT 1” or “ANT 2”
must be selected.
Receiver
IN
(_)
!0 ACCESSORY SOCKET 1 [ACC 1]
!1 ACCESSORY SOCKET 2 [ACC 2]
Enable connection of external equipment such as
a linear ampliﬁer, an automatic antenna selector/
tuner, a TNC for data communications, etc.
• See p. ?? for socket information.
!2 TUNER CONTROL SOCKET [TUNER] (p. ??)
Accepts the control cable from an optional AH-4
HF/50 MHz AUTOMATIC ANTENNA TUNER.
!3 SEND CONTROL JACK [SEND] (p. ??)
Connects to ground when transmitting to control an
external unit, such as a non-Icom linear ampliﬁer.
NOTE: T/R control voltage and current must be
lower than 16 V DC/0.5 A (or 250 V AC, 200 mA
with MOSFET switching).
!4 ALC INPUT JACK [ALC] (p. ??)
Connects to the ALC output jack of a non-Icom linear ampliﬁer.
[RX ANT]
OUT
Transmit/Receive
switching circuit
ANT
Transmitter
!7 TRANSVERTER CONNECTOR [X-VERTER]
(p. ??)
External transverter input/output connector.
Activated by voltage applied to [ACC 2] pin 6, or
when the transverter function is in use. (p. ??)
10
11
12
13
14
15
16
17
18
19
20
21
12
1
PANEL DESCRIPTION
N LCD display
@0 @1 @2
@4
!9
@3
!0
!5
!0
!8
!1
!1
!7
!2
!3
!4
!3
!2
q S/RF METER (pgs. ??, ??)
Shows the signal strength while receiving. Shows
the relative output power, SWR, ALC, VD, ID or
compression levels while transmitting.
• A total of 3 meter types are available.
• Standard meter
!6
!5
w IF FILTER INDICATOR (p. ??)
Shows the selected IF ﬁlter number.
e QUICK TUNING INDICATOR (p. ??)
Appears when the quick tuning step function is in
use.
r BAND WIDTH INDICATOR (p. ??)
Shows the passband width of the IF ﬁlter.
t SHIFT FREQUENCY INDICATOR (p. ??)
Shows the shift frequency of the IF ﬁlter.
• Edgewise meter
• Bar meter
y PASSBAND WIDTH INDICATOR (p. ??)
Graphically displays the passband width for twin
PBT operation and center frequency for IF shift operation.
u BANDPASS FILTER INDICATOR
Appears when the narrow ﬁlter (500 Hz or less) is
selected during CW, RTTY or PSK operation.
i CLOCK READOUT
Shows the current time.
Local and UTC time can be indicated at the same
time.
13
PANEL DESCRIPTION
o RTTY TUNING INDICATOR
Shows the tuning condition in RTTY mode.
!0 MODE INDICATOR
Shows the selected mode.
!1 FREQUENCY READOUTS
Shows the operating frequency.
• Gray characters are used for non-active readout.
!2 MEMORY CHANNEL READOUTS
± Shows the selected memory channel contents in
VFO mode.
± Shows the VFO contents in memory mode.
!3 SELECT MEMORY CHANNEL INDICATOR (p. ??)
Indicates the displayed memory channel is set as a
select memory channel.
!4 MULTI-FUNCTION SCREEN
Shows the screens for the multi-function digital
meter, spectrum scope, voice recorder, memory list,
scan, memory keyer, RTTY decoder, PSK decoder,
IF ﬁlter selection or set modes, etc.
!5 VFO/MEMORY CHANNEL INDICATOR (p. ??)
Indicates the VFO mode or selected memory channel number.
!6 LCD FUNCTION SWITCH GUIDE
Indicates the function of the LCD function switches
([F-1] to [F-6]).
!7 MULTI-FUNCTION SWITCH GUIDE
Indicates the function of the multi-function switches.
!8 TX INDICATOR
Indicates the frequency readout for transmit.
•“
” appears during an operating frequency is not in
an amateur band. When the band edge warning beep is
set to “OFF” (p. ??), “
” does not appear.
• Appears on the sub band readout when the split function is turned ON.
!9 RIT INDICATOR
“
” appears when RIT function is in use.
@0 ∂TX INDICATOR
” appears when ∂TX function is in use.
“
@1 RIT/∂TX SHIFT FREQUENCY INDICATOR
Shows the shift frequency for the RIT or ∂TX function.
@2 NOTCH INDICATOR (p. ??)
±“
” appears when the manual notch function
is in use. This function is available in SSB, CW,
RTTY, PSK and AM modes.
±“
” appears when the auto notch function is in
use. This function is available in SSB, AM and
FM modes.
@3 APF/TPF INDICATOR
” appears when the audio peak ﬁlter func±“
tion is in use. This function is available in CW
mode. (p. ??)
±“
” appears when the twin peak ﬁlter function is in use. This function is available in RTTY
mode. (p. ??)
@4 DUAL WATCH INDICATOR
“
” appears when the dualwatch function
is in use.
10
11
12
13
14
15
16
17
18
19
20
21
14
1
PANEL DESCRIPTION
N Screen menu arrangement
The following screens can be selected from the start
up screen. Choose the desired screen using the following chart.
Pushing [EXIT/SET] several times returns to the start
up screen. See p. ?? for set mode arrangement.
• PSK decoder screen (PSK mode; p. ??)
F-1
F-2
F-3
F-4
F-5
F-6
F-3
• Spectrum scope screen (p. ??)
• Memory list screen (p. ??)
F-4
• Voice recorder screen (p. ??)
• Scan screen (VFO mode; p. ??)
F-2
• Memory keyer screen (CW mode; p. ??)
• Scan screen (Memory mode; p. ??)
F-3
• RTTY decoder screen (RTTY mode; p. ??)
F-5
• Set mode menu screen (p. ??)
F-3
15
F-5
F-6
INSTALLATION AND CONNECTIONS
N Unpacking
N Antenna connection
After unpacking, immediately report any damage to the
delivering carrier or dealer. Keep the shipping cartons.
For a description and a diagram of accessory equipment included with the IC-7600, see ‘Supplied accessories’ on p. ?? of this manual.
For radio communications, the antenna is of critical importance, along with output power and receiver sensitivity. Select antenna(s), such as a well-matched 50 ø
antenna, and feedline. We recommend 1.5:1 or better
of Voltage Standing Wave Ratio (VSWR) on your operating bands. The transmission line should be a coaxial
cable.
When using a single antenna, use the [ANT1] connector.
N Selecting a location
Select a location for the transceiver that allows adequate air circulation, free from extreme heat, cold, or
vibrations, and away from TV sets, TV antenna elements, radios and other electromagnetic sources.
The base of the transceiver has adjustable feet for
desktop use. Set the feet to one of two angles depending on your operating preference.
CAUTION: Protect your transceiver from lightning
by using a lightning arrestor.
PL-259 CONNECTOR INSTALLATION EXAMPLE
30 mm
Coupling ring
To prevent electrical shock, television interference
(TVI), broadcast interference (BCI) and other problems, ground the transceiver through the GROUND
terminal on the rear panel.
For best results, connect a heavy gauge wire or strap
to a long ground rod. Make the distance between the
[GND] terminal and ground as short as possible.
R WARNING: NEVER connect the [GND]
terminal to a gas or electric pipe, since the connection could cause an explosion or electric shock.
[GND]
Slide the coupling ring
down. Strip the cable
jacket and soft solder.
10 mm (soft solder)
10 mm
Soft
solder
1–2 mm
N Grounding
Strip the cable as
shown at left. Soft solder the center conductor.
solder solder
Slide the connector
body on and solder it.
Screw the coupling
ring onto the connector body.
30 mm (9⁄8 in)
10 mm (3⁄8 in)
1–2 mm (1⁄16 in)
10
11
12
Antenna SWR
Each antenna is tuned for a specified frequency
range and SWR may be increased out-of-range.
When the SWR is higher than approx. 2.0:1, the
transceiver’s power drops to protect the ﬁnal transistors. In this case, an antenna tuner is useful to
match the transceiver and antenna. Low SWR allows
full power for transmitting. The IC-7600 has an SWR
meter to monitor the antenna SWR continuously.
13
14
15
16
17
18
19
20
21
16
2
INSTALLATION AND CONNECTIONS
N Required connections
D Front panel
TIMER
CW KEY
TX
RX
SPLIT
LOCK
SPLIT
HF/50MHz TRANSCEIVER
POWER
TRANSMIT
DUAL
WATCH
TUNER
MONITOR
BAL
PHONES
NR
CHANGE
1.8
3.5
10
14
18
24
28
50
F-INP ENT
21
GENE
MP-W
MP-R
MW
VFO/MEMO
TWIN-PBT
PBT-CLR
MAIN
/SUB
M.SCOPE
NOTCH
NOTCH
APF/TPF
CW PITCH
ELEC-KEY
XFC
NB
AF
TS
NR
RF/SQL
RIT
MIC GAIN
A straight key can be used
when the internal electronic
keyer is turned OFF in
keyer set mode. (p. ??)
F- 1
F- 2
F- 3
F- 4
F- 5
F- 6
SSB
CW
RTTY/PSK
AM/FM
FILTER
EXIT/SET
RF POWER BK-IN DELAY KEY SPEED
AUTO
TUNE
REC
PLAY
SPEECH
LOCK
VOICE MEMORY
MICROPHONES (p. ??)
HM-36
SM-50
D Rear panel
DC POWER SUPPLY (p. ??)
ANTENNA 1, 2 (p. ??)
[Example]: ANT1 for 1.8–18 MHz bands
ANT 2 for 21–28 MHz bands
PS-126
X-VERTER
ANT
RX-ANT
IN
OUT
DC 13.8V
ACC
ALC
SEND
KEY
METER
TUNER
GROUND
(p. ??)
Use the heaviest gauge
wire or strap available and
make the connection as
short as possible.
Grounding prevents electrical shocks, TVI and other
problems.
17
Ӡ TX
RIT/Ӡ TX
MIC
STRAIGHT KEY
REMOTE EXT-SP
CLEAR
2
INSTALLATION AND CONNECTIONS
N Advanced connections
D Front panel
USB-MEMORY
HEADPHONES
TIMER
TX
RX
SPLIT
LOCK
SPLIT
HF/50MHz TRANSCEIVER
POWER
TRANSMIT
DUAL
WATCH
TUNER
KEYBOARD
Connects an USB type PC keyboard
directly for RTTY/PSK operation, as
well as other text edit operations.
MONITOR
BAL
PHONES
NR
CHANGE
1.8
3.5
10
14
18
24
28
50
F-INP ENT
21
GENE
MP-W
MP-R
MW
VFO/MEMO
TWIN-PBT
PBT-CLR
MAIN
/SUB
M.SCOPE
NOTCH
NOTCH
APF/TPF
CW PITCH
ELEC-KEY
XFC
NB
AF
TS
NR
RF/SQL
RIT
Ӡ TX
RIT/Ӡ TX
MIC
MIC GAIN
F- 1
F- 2
F- 3
F- 4
F- 5
F- 6
SSB
CW
RTTY/PSK
AM/FM
FILTER
EXIT/SET
RF POWER BK-IN DELAY KEY SPEED
AUTO
TUNE
REC
SPEECH
PLAY
LOCK
VOICE MEMORY
CLEAR
MIC
The AFSK modulation signal can also
be input to [MIC].
D Rear panel— 1
with
AH-4 (p. ??)
AH-2b
or long wire
[REMOTE] (p. ??)
Used for computer
control and transceive
operation.
The optional CT-17 is
required when connecting a PC to [REMOTE].
10
11
12
ANTENNA 1, 2 (p. ??)
Connects a linear amplifier,
antenna selector, etc.
[X-VERTER]
Connects a transverter
for V/UHF band use.
ANT
13
DC 13.8V
14
X-VERTER
RX-ANT
IN
OUT
15
ACC
ALC
SEND
KEY
METER
REMOTE EXT-SP
16
TUNER
17
RX ANT IN/OUT
Connects an external
preamp or lowpass filter.
RX ANT IN/OUT must be
activated in the antenna
set screen (p. ??).
ACC SOCKETS 1, 2
(pgs. ??, ??)
EXTERNAL SPEAKER
(p. ??)
18
19
[ALC], [SEND] (p. ??)
Used for connecting a
non-Icom linear amplifier.
SP-23
(option)
20
21
18
2
INSTALLATION AND CONNECTIONS
D Rear panel— 2
ANT
RX-ANT
IN
OUT
X-VERTER
DC 13.8V
ACC
ALC
SEND
KEY
REMOTE EXT-SP
METER
TUNER
EXTERNAL KEYPAD
Connects an external keypad for direct voice memory,
keyer memory, RTTY TX memory and PSK TX memory
controls.
[METER]
Connects an external meter, etc.
3.5 (d) mm; 1⁄8" plug
EXTERNAL KEYPAD
6.35 (d) mm; 1⁄4" plug
1.5 kø
±5%
1.5 kø
±5%
2.2 kø
±5%
4.7 kø
±5%
S1
(T1/M1)
S2
(T2/M2)
S3
(T3/M3)
S4
(T4/M4)
Mute switch: Mutes both transmission and reception when switched
ON during transceive operation, etc.
Output impedance
: 4.7 kø
Output voltage (open circuit) : 2.5 V (default)
Output voltage can be adjusted 0 to 5 V
in ACC set mode. (p. ??)
N USB connection
Connect the USB-Memory* to the USB connector (A
type) on the front panel.
• Unmount operation is recommended before removing the
USB-Memory* (p.??).
Make sure to connect the USB-Memory correctly.
NEVER connect or remove the USB-Memory when
the read/write indicator lights or blinks.
An USB keyboard* or an USB hub* can also be connected to the USB connector.
or
* USB-Memory, USB keyboard or USB hub is not supplied
by Icom.
When the transceiver is connected to PC, an USB
cable (third party) should be connected to the USB
connector (B type) on the rear panel. (p. ??)
19
INSTALLATION AND CONNECTIONS
N Power supply connections
Use a DC power supply with a 23 A capacity when
operating the transceiver with AC power. Refer to the
diagrams below.
CAUTION: Before connecting the DC power cable,
check the following important items. Make sure:
• The [POWER] switch is OFF.
• Output voltage of the power source is 12–15 V
when you use a non-Icom power supply.
• DC power cable polarity is correct.
Red : Positive + terminal
Black : Negative _ terminal
CONNECTING PS-126 DC POWER SUPPLY
To DC power socket
AC outlet
Transceiver
PS-126
AC cable
DC power
cable
GND
CONNECTING A DC POWER SUPPLY
AC outlet
Transceiver
A DC power supply
13.8 V; at least 23 A
GND
30 A fuses
AC cable
Red
Black
10
To DC power
socket
11
Supplied DC power cable
12
13
N External antenna tuner connection
14
CONNECTING THE AH-4
15
The AH-4 must be connected to [ANT1].
16
Coaxial cable (from the AH-4)
Long wire or optional AH-2b
[ANT1]
Transceiver
17
18
19
AH-4
[TUNER]
GND
Control cable
20
GND
21
20
2
INSTALLATION AND CONNECTIONS
N Linear ampliﬁer connections
D Connecting the IC-PW1/EURO
Remote control cable (supplied with the IC-PW1/EURO)
To an
antenna
ACC cable (supplied with the IC-PW1/EURO)
ACC-1
Coaxial cable
REMOTE
ANT
(supplied with the
IC-PW1/EURO)
Be sure to connect the cable
to the 7-pin ACC 2 jack.
INPUT1
INPUT2
Connect
[INPUT2]
ANT1
if necessary
EXCITER
Coaxial cable*
ANT2
ACC 2
REMOTE
GND
1&2
GND
IC-PW1/EURO
Transceiver
GND
AC outlet
*Purchase separately
(Non-European versions : 100–120/220–240 V
European version
: 230 V)
D Connecting a non-Icom linear ampliﬁer
Transceiver
Set the transceiver output power and linear ampliﬁer ALC output level after referring to the linear
ampliﬁer instruction manual.
ANT1
To an
antenna
ALC
50 ø
coaxial
cable
RF OUTPUT
RF INPUT
ALC
SEND
Non-Icom linear amplifier
21
R WARNING:
SEND
The ALC input level must be in the range 0 V to
–4 V. The transceiver does not accept positive voltage. Non-matched ALC and RF power settings
could overheat or damage the linear ampliﬁer.
The maximum signal level of [SEND] jack is
16 V/0.5 A DC with initial setting, and 250 V/
200 mA with “MOSFET” setting (see p. ?? for details). Use an external relay unit if your non-Icom
linear ampliﬁer requires control voltage and/or current greater than speciﬁed.
INSTALLATION AND CONNECTIONS
N Transverter jack information
When 2 to 13.8 V is applied to pin 6 of [ACC 2], the
[X-VERTER] connector is activated for transverter operation and the antenna connectors do not receive or
transmit any signals.
While receiving, the [X-VERTER] connector can be activated as an input terminal from an external transverter.
While transmitting, the [X-VERTER] connector outputs
signals of the displayed frequency at –20 dBm (22 mV)
as signals for the external transverter.
Transverter connector
N FSK and AFSK (SSTV) connections
To connect a TNC or scan converter, etc., refer to the diagram below.
D FSK operation— when connecting to [ACC 1]
• When using a PC application
RTTY
RTTY OUTPUT
GND
GND
AF
AUDIO INPUT
SEND
PTT
Connect to serial port, parallel
port, speaker jack, microphone
jack and line IN/OUT jack, etc.
See the instruction manual of the
application for details.
PC
Rear panel view
TNC or scan converter
• When using a TNC
RTTY
GND
RTTY OUTPUT
AF
SEND
AUDIO INPUT
RS-232C
GND
PTT
10
Rear panel view
11
D AFSK operation
• When connecting to [ACC 1]
Rear panel view
• When using a PC application
Audio output
GND
AF input
PTT
Rear panel view
13
PC
n†
v*
n†
14
15
• When connecting to [MIC]
w i y
12
Connect to serial port, parallel
port, speaker jack, microphone
jack and line IN/OUT jack, etc.
See the instruction manual of
the application for details.
n†
• When using a TNC
AFSK output
TNC or scan converter
RS-232C
16
17
AF input
PTT*
18
GND
SQL input†
*When using the VOX function, no need to connect. Refer to the instruction
manual of the external equipment (TNC, etc.).
†
When connecting the squelch line, consult the necessary manual (TNC, etc.).
D When connecting to the [USB] connector
Connect an USB cable (third party’s) between the transceiver’s USB connector [USB] (B) on the rear panel and
PC. (p. ??)
19
20
21
• Icom HP (http://www.icom.co.jp/world/support/index.html) gives the USB driver and the installation guide download service.
22
2
INSTALLATION AND CONNECTIONS
N Microphone connector information
(Front panel view)
[MIC]
Pin No.
i Main readout AF output
(varies with [AF])
u GND
(Microphone ground)
q Microphone input
w +8 V DC output
y GND (PTT ground)
e Frequency up/down
t PTT
FUNCTION
DESCRIPTION
+8 V DC output
Max. 10 mA
Frequency up
Ground
Frequency down
Ground through 470 ˘
Squelch open
“Low” level
Squelch closed
“High” level
r Main readout squelch switch
CAUTION: DO NOT short pin 2 to ground as this
can damage the internal 8 V regulator. DC voltage is
applied to pin 1 for microphone operation. Use caution when using a non-Icom microphone.
N Microphones
D HM-36
q UP/DOWN SWITCHES [UP]/[DN]
Change the selected readout frequency or memory
channel.
• Pressing a switch continuously changes the frequency
or memory channel number continuously.
• While pushing [XFC], the transmit readout frequency
can be controlled while in split frequency operation.
• The [UP]/[DN] switch can simulate a key paddle. Preset
in the keyer set mode. (p. ??)
w PTT SWITCH
Push and hold to transmit; release to receive.
e PTT LOCK SWITCH (available for SM-50 only)
Push to toggle between transmit and receive.
D SM-50
(option)
r LOW CUT SWITCH (available for SM-50 only)
Push to cut out the low frequency components of
input voice signals.
23
INSTALLATION AND CONNECTIONS
N Accessory connector information
ACC 1
PIN No.
8 3
DESCRIPTION
RTTY
Controls RTTY keying
GND
Connects to ground.
SPECIFICATIONS
“High” level
“Low” level
Output current
: More than 2.4 V
: Less than 0.6 V
: Less than 2 mA
Connected in parallel with ACC 2 pin 2.
Ground level
Output current
Input current (Tx)
: –0.5 V to 0.8 V
: Less than 20 mA
: Less than 200 mA
SEND
Input/output pin.
Goes to ground when transmitting.
When grounded, transmits.
MOD
Modulator input.
Connects to a modulator
AF
AF detector output.
Output impedance : 4.7 k˘
Fixed, regardless of [AF] position in
: 100–300 mV rms
Output level
default settings. (see notes below)
SQLS
Squelch output.
SQL open
Goes to ground when squelch opens. SQL closed
13.8 V
13.8 V output when power is ON.
NAME
ALC
ALC voltage input.
Connected in parallel with ACC 2 pin 3.
Input impedance
Input level
: 10 k˘
: Approx. 100 mV rms
: Less than 0.3 V/5 mA
: More than 6.0 V/100 μA
Output current
: Max. 1 A
Connected in parallel with ACC 2 pin 7.
Control voltage
Input impedance
: –4 V to 0 V
: More than 10 k˘
Connected in parallel with ACC 2 pin 5.
ACC 2
PIN No.
NAME
DESCRIPTION
SPECIFICATIONS
Output voltage
Output current
8V
Regulated 8 V output.
GND
Same as ACC 1 pin 2.
SEND
Same as ACC 1 pin 3.
BAND
Band voltage output.
(Varies with amateur band)
ALC
Same as ACC 1 pin 8.
TRV
Activates [X-VERTER] input/output Input impedance
when “HIGH” voltage is applied.
Input voltage
13.8 V
Same as ACC 1 pin 7.
NOTE: If the CW side tone level limit or beep level
limit is in use, the CW side tone or beep tone decreases from the ﬁxed level when the [AF] control is
rotated above a speciﬁed level. (p. ??)
: 8.0 V ±0.3 V
: Less than 10 mA
Output voltage
: 0 to 8.0 V
10
11
: More than 10 k˘
: 2 to 13.8 V
12
13
14
15
16
17
18
19
20
21
24
3
BASIC OPERATION
N Before ﬁrst applying power
Before first applying power, make sure all connections required for your system are complete by referring to Chapter 2.
After all connections have been done, set controls
and switches as shown in the figure below.
CW : Max. clockwise
CCW : Max. counterclockwise
[NR]
: Max. CCW
[BAL]
: 12 o’clock
TIMER
TX
RX
SPLIT
LOCK
SPLIT
HF/50MHz TRANSCEIVER
POWER
TRANSMIT
PHONES
DUAL
WATCH
TUNER
MONITOR
BAL
NR
CHANGE
1.8
3.5
10
14
18
21
GENE
24
28
50
F-INP ENT
MP-W
MP-R
MW
VFO/MEMO
TWIN-PBT
PBT-CLR
MAIN
/SUB
M.SCOPE
NOTCH
NOTCH
APF/TPF
CW PITCH
ELEC-KEY
XFC
[RF/SQL]
: 12 o’clock
NB
AF
[NOTCH]
: 12 o’clock
TS
NR
RF/SQL
RIT
Ӡ TX
CLEAR
[CW PITCH]
: 12 o’clock
RIT/Ӡ TX
MIC
[AF]
: Max. CCW
MIC GAIN
F- 2
F- 3
F- 4
F- 5
F- 6
SSB
CW
RTTY/PSK
AM/FM
FILTER
EXIT/SET
RF POWER BK-IN DELAY KEY SPEED
[MIC GAIN]
: 12 o’clock
AUTO
TUNE
F- 1
[RF POWER]
: Max. CW
REC
PLAY
SPEECH
LOCK
VOICE MEMORY
[BK-IN DELAY]
: 12 o’clock
[KEY SPEED]
: 10–12 o’clock
N Applying power (CPU resetting)
First applying power:
Reset the transceiver using the following procedure.
POWER
MW
F-INP ENT
Resetting CLEARS all programmed contents in
memory channels and returns programmed values
in set mode to default values.
q Make sure the transceiver power is OFF.
w While pushing and holding [F-INP ENT] and [MW],
push [POWER] to turn power ON.
• The CPU is reset.
• The CPU start-up takes approx. 5 sec.
• The transceiver displays its initial VFO frequencies
when resetting is complete.
e Change the set mode settings after resetting, if
desired.
Normal applying power:
Push [POWER] to turn power ON, then check the display. When any of indicators appear, turn them OFF if
necessary. (See the appropriate page for details.)
25
In cooler temperatures, the LCD may appear dark
and unstable after turning power ON. This is normal and does not indicate any equipment malfunction.
BASIC OPERATION
N Selecting VFO/memory mode
± Push [VFO/MEMO] to switch between VFO and
memory modes.
VFO/MEMO
• “VFO” appears when in VFO mode, or the selected
memory channel number appears when in memory
mode.
• Pushing and holding [VFO/MEMO] for 1 sec. transfers
the contents of the selected memory channel to VFO
mode. (p. ??)
“VFO” indicator
Memory channel number
N Main/Sub band selection
MAIN
/SUB
M.SCOPE
The IC-7600 has 2 identical receivers, main and sub.
The main band is displayed on the left hand side, and
the sub band is displayed on the right hand side of
the LCD. Some functions can only be applied to the
selected band and transmission occurs on the main
band (except during split frequency operation).
± Push [MAIN/SUB M.SCOPE] to select access to
the main or sub readout.
• The selected readout frequency is displayed clearly.
The sub readout functions only during split operation or
dualwatch.
MAIN VFO
SUB VFO
10
MAIN VFO
SUB VFO
11
12
13
Access to MAIN VFO
Access to SUB VFO
15
D Main/Sub band switching
± Push [CHANGE] to switch the frequency and
selected memory channel between main and sub
readouts.
• Switches between transmit frequency and receive frequency when the split frequency function is ON. (p. ??)
D Main/Sub band equalization
± Push and hold [CHANGE] for 1 sec. to equalizes
the sub readout frequency to the main readout frequency.
14
CHANGE
16
17
18
19
20
21
26
3
BASIC OPERATION
N Selecting an operating band
The triple band stacking register provides 3 memories
for each band key, storing frequency and mode information.
Band keys
This function is convenient when you operate 3 operating modes on one band. For example, one register
is used for a CW frequency, another for a SSB frequency and the other one for a RTTY frequency.
If a band key is pushed once, the frequency and operating mode last used are called up. When the key is
pushed again, another stored frequency and operating mode are called up.
See the table below for a list of the bands available
and the default settings for each band.
BAND
REGISTER 1
REGISTER 2
REGISTER 3
1.8 MHz
1.900000 MHz CW
1.910000 MHz CW
1.915000 MHz CW
3.5 MHz
3.550000 MHz LSB
3.560000 MHz LSB
3.580000 MHz LSB
7 MHz
7.050000 MHz LSB
7.060000 MHz LSB
7.020000 MHz CW
10 MHz
10.120000 MHz CW
10.130000 MHz CW
10.140000 MHz CW
14 MHz
14.100000 MHz USB
14.200000 MHz USB
14.050000 MHz CW
18 MHz
18.100000 MHz USB
18.130000 MHz USB
18.150000 MHz USB
21 MHz
21.200000 MHz USB
21.300000 MHz USB
21.050000 MHz CW
24 MHz
24.950000 MHz USB
24.980000 MHz USB
24.900000 MHz CW
28 MHz
28.500000 MHz USB
29.500000 MHz USB
28.100000 MHz CW
50 MHz
50.100000 MHz USB
50.200000 MHz USB
51.000000 MHz FM
General
15.000000 MHz USB
15.100000 MHz USB
15.200000 MHz USB
D Using the band stacking registers
[Example]: 14 MHz band
q Push [14 5], then select a frequency and an operating mode.
• A frequency and an operating mode are memorized in
the first band stacking register.
w Push [14 5] again, then select another frequency
and operating mode.
• This frequency and operating mode are memorized in
the second band stacking register.
e Push [14 5] again, then select another frequency
and operating mode.
• This frequency and operating mode are memorized in
the third band stacking register.
• When a fourth frequency and operating mode are
selected on a band, the first register set in step q, is
over written.
27
1.8
3.5
10
14
18
21
24
28
50
F-INP ENT
GENE
BASIC OPERATION
N Frequency setting
The transceiver has several tuning methods for convenient frequency tuning.
D Tuning with the main dial
q Push the desired band key on the keypad 1–3
times.
Band keys
• 3 different frequencies can be selected on each band
with the band key. (See previous page “Using the band
stacking registers.”)
w Rotate the main dial to set the desired frequency.
If the dial lock function is activated, the lock indicator lights, and the main dial does not function.
In this case, push and hold [SPEECH/LOCK] for
1 sec. to deactivate the lock function.
When “LOCK/SPEECH” is selected in “[SPEECH/
LOCK] Switch” item in others set mode, pushing
[SPEECH/LOCK] deactivates the lock function.
(see p. ?? for details)
Main dial
D Direct frequency entry with the keypad
The transceiver has a keypad for direct frequency
entry as described below.
Keypad
q Push [F-INP ENT].
•“
” indicator appears.
w Input the desired frequency.
• Push [GENE •] to input “. (decimal point)” between the
MHz units and kHz units.
10
e Push [F-INP ENT] to set the input frequency.
• To cancel the input, push any other key instead of
[F-INP ENT] or keypad.
11
12
[EXAMPLE]
14.025 MHz
F-INP ENT 1.8 1 10 4 GEN • 50 0
3.5 2 14 5 F-INP ENT
14
18.0725 MHz
F-INP ENT 1.8 1 24 8 GEN • 50 0
21 7 3.5 2
706 kHz
F-INP ENT GEN • 21 7
13
50 0 18 6
F-INP ENT
5.100 MHz
14 5 F-INP ENT
15
16
F-INP ENT 14 5 GEN • 1.8 1 F-INP ENT
17
7.000 MHz
18
F-INP ENT 21 7 F-INP ENT
19
21.280 MHz  21.245 MHz
F-INP ENT GEN • 3.5 2
10 4
14 5 F-INP ENT
20
21
28
3
BASIC OPERATION
D About 5 MHz band operation (USA version only)
Operation on the 5 MHz band is allowed on 5 discrete
frequencies and must adhere to the following:
• USB mode
• Maximum of 50 watts ERP (Effective Radiated Power)
• 2.8 kHz bandwidth
It’s your responsibility to set all controls so that transmission in this band meets the stringent conditions
under which amateur operations may use these frequencies.
NOTE: We recommend that you store these frequencies, mode and filter settings into memory
channels for easy recall.
*The FCC specifies center frequencies on the
5 MHz band. However, the IC-7600 displays carrier frequency. Therefore, tune the transceiver to
1.5 kHz below the specified FCC channel center
frequency.
IC-7600 Displayed
Frequency*
FCC Channel
Center Frequency*
5.33050 MHz
5.33200 MHz
5.34650 MHz
5.34800 MHz
5.36650 MHz
5.36800 MHz
5.37150 MHz
5.37300 MHz
5.40350 MHz
5.40500 MHz
To assist you in operating the 5 MHz band within
the rules specified by the FCC, transmission is
illegal on any 5 MHz band frequency other than the
five frequencies indicated in the table above.
D Quick tuning step
TS
The operating frequency can be changed in larger
steps (0.1, 1, 5, 9, 10, 12.5, 20 or 25 kHz selectable)
for quick tuning.
q Push [TS] to turn the quick tuning function ON.
• “Z” appears when the quick tuning function is ON.
w Rotate the main dial to change the frequency in
programmed kHz steps.
e Push [TS] again to turn the quick tuning function
OFF.
Main dial
Quick tuning indicator
• “Z” disappears.
r Rotate the main dial for normal tuning if desired.
D Selecting “kHz” step
DEF
q Push [TS] to turn the quick tuning function ON.
F-4
TS
• “Z” appears when the quick tuning function ON.
w Push and hold [TS] for 1 sec. to enter quick tuning
step set mode.
• Selected tuning steps for all modes appear.
e Select the desired operating mode.
r Rotate the main dial to select the desired tuning
step.
• Push and hold [DEF] (F-4) for 1 sec. to return to the
default setting, if desired.
t Repeat steps e and r to select quick tuning steps
for other modes, if desired.
y Push [EXIT/SET] to exit the setting display.
29
NOTE: When entering quick tuning step set mode,
the quick tuning function must be activated first.
The main and sub bands have independent tuning
step settings.
Mode selection
EXIT/SET
Main dial
BASIC OPERATION
D Selecting 1 Hz step
A minimum tuning step of 1 Hz can be used for fine
tuning.
q Push [TS] to turn the quick tuning function OFF.
w Push and hold [TS] for 1 sec. to turn the 1 Hz tuning step ON and OFF.
TS
NOTE:
• RIT and/or ∂TX also functions in 1 Hz tuning step
when used.
• The frequency is changed in 50 Hz step when the
[UP]/[DN] switches of the microphone are used
for the frequency setting (when the programmable tuning step is not selected.)
1 Hz step indicator
D Auto tuning step function
When rotating the main dial rapidly, the tuning speed
accelerates automatically as selected.
q Push [EXIT/SET] several times to close a multifunction screen, if necessary.
w Push [SET] (F-6) to select set mode menu screen.
OTHERS
SET
F-5
F-6
• Pushing and holding [EXIT/SET] for 1 sec. also selects
set mode menu screen.
e Push [OTHERS] (F-5) to enter others set mode.
r Push [Y] (F-1) or [Z] (F-2) to select “MAIN DIAL
Auto TS.”
t Rotate the main dial to select the desired condition
from HIGH, LOW and OFF.
• HIGH : Approx. 5 times faster when the tuning step is set to 1 kHz or smaller steps;
approx. 2 times faster when the tuning
step is set to 5 kHz or larger steps.
• LOW : Approx. 2 times faster
• OFF : Auto tuning step is turned OFF.
y Push [EXIT/SET] to exit the set mode.
10
F-1
F-2
EXIT/SET
Main dial
11
12
13
HIGH (default)
14
15
D 1⁄4 tuning step function
16
When operating in SSB data, CW, RTTY or PSK, the
1⁄4 tuning function is available. Dial rotation is reduced
to 1⁄4 of normal speed when the 1⁄4 tuning function is
ON for finer tuning control.
17
18
19
± Push [1/4] (MF7) to toggle the 1⁄4 tuning function
ON and OFF.
•“
” appears when the 1⁄4 tuning function is ON.
1⁄4
¼ tuning step OFF
20
¼ tuning step ON
21
30
3
BASIC OPERATION
D Band edge warning beep
When you tune outside of an amateur band’s frequency range, a warning beep sounds.
This function can be turned OFF in set mode, if desired.
q Push [EXIT/SET] several times to close a multifunction screen, if necessary.
w Push [SET] (F-6) to select set mode menu screen.
OTHERS
SET
F-5
F-6
• Pushing and holding [EXIT/SET] for 1 sec. also selects
set mode menu screen.
e Push [OTHERS] (F-5) to enter others set mode.
r Push [Y] (F-1) or [Z] (F-2) to select “Beep (Band
Edge).”
t Rotate the main dial to select the band edge warning beep function.
y Push [EXIT/SET] to exit the set mode.
F-1
F-2
EXIT/SET
Main dial
The beep output level can be set in level set mode.
(p. ??)
When the band edge warning beep is set to “ON”:
The band edge warning beep is activated according
to the set mode setting as follows.
• ON (Default)
Band edge beep sounds when an operating frequency
enters or exits a default amateur band. (default)
• ON (User)
A beep sounds when an operating frequency enters or
exits an amateur band that is set in band edge screen.
• ON (User) & TX Limit
A beep sounds when an operating frequency enters
or exits an amateur band that is set in band edge
screen and transmission is limited out of the band.
To programming the band edge:
When “ON (User)” or “ON (User) & TX Limit” is
selected, [BAND] appears in the display above the
function switch (F-5), and up to 30 band edge frequencies can be set in band edge screen.
ON (Default) (default)
ON (User)
BAND
[DEL]
[INS]
OTHERS
SET
F-5
F-6
q Push [BAND] (F-5) to enter the band edge screen.
w Push [Y] (F-1) or [Z] (F-2) to select the desired
band edge.
• Push [Ω ≈] (F-3) to select the set content for band
edge, lower or upper.
• Push [INS] (MF6) to insert a new blank band edge line.
• Push and hold [DEL] (MF7) for 1 sec. to delete the
selected band edge line.
• Push and hold [DEF] (F-4) for 1 sec. to display the
band edge initialize screen. Then, push and hold
[OK] (F-5) to initialize all band edge frequency settings.
F-1
F-2
F-3
F-4
EXIT/SET
[DIAL]
DEF
e Input the desired frequency with the keypad.
• Push [GENE •] to input “. (decimal point)” between the
MHz units and kHz units.
• Program the frequency in ascending order.
• The frequency that is duplicated or out of an amateur
band cannot be programmed.
r Push [EXIT/SET] to exit the set mode.
31
Band edge screen
NOTE: All 30 band edge frequencies are set in
default. So you should delete a one of band edges
before programming.
BASIC OPERATION
N Operating mode selection
SSB (USB/LSB), SSB data (USB data/LSB data),
CW, CW reverse (CW-R), RTTY, RTTY reverse
(RTTY-R), PSK, PSK reverse (PSK-R), AM, AM data,
FM and FM data modes are available in the IC-7600.
Push the desired mode switch momentarily to select
a mode of operation.
See the diagram as at right for the order of selection.
Mode switches
Microphone signals are muted when data mode is
selected.
SSB
USB-D1
• Selecting SSB mode
± Push [SSB] to select USB or LSB.
• USB is selected first when above 10 MHz; or LSB is
selected first when below 10 MHz operation.
• After USB or LSB is selected, push [SSB] to toggle
between USB and LSB.
• After USB or LSB is selected, push and hold [SSB] for
1 sec. to select USB or LSB data mode, respectively.
• After USB or LSB data mode is selected, push and hold
[SSB] for 1 sec. to select data 1, 2 and 3, in sequence.
• In USB or LSB data mode, push [SSB] to return to
USB or LSB mode, respectively.
USB
• Selecting RTTY/PSK mode
± Push [RTTY/PSK] to select RTTY or PSK.
• After RTTY or PSK is selected, push [RTTY/PSK] to
toggle between RTTY and PSK.
• After RTTY or PSK is selected, push and hold
[RTTY/PSK] for 1 sec. to toggle between RTTY and
RTTY reverse, or, PSK and PSK reverse mode,
respectively.
• Selecting AM/FM mode
± Push [AM/FM] to select AM or FM.
• After AM or FM is selected, push [AM/FM] to toggle
between AM and FM.
• After AM or FM is selected, push and hold [AM/FM] for
1 sec. to select AM or FM data mode, respectively.
• After AM or FM data mode is selected, push and
hold [AM/FM] for 1 sec. to select data 1, 2 and 3, in
sequence.
• In AM or FM data mode, push [AM/FM] to return to AM
or FM mode, respectively.
USB-D2
LSB-D2
USB-D3
LSB-D3
CW
CW
CW-R
RTTY/PSK
RTTY-R
RTTY
PSK
PSK-R
• Selecting CW mode
± Push [CW] to select CW.
• After CW is selected, push [CW] to toggle between CW
and CW reverse mode.
LSB-D1
LSB
FM-D1
AM-D2
FM-D2
AM-D3
FM-D3
10
AM/FM
AM-D1
AM
FM
: Push mode switch momentary.
: Push and hold mode switch for 1 sec.
11
12
13
14
15
16
17
18
19
20
21
32
3
BASIC OPERATION
N Squelch and receive (RF) sensitivity
Adjusts the RF gain and squelch threshold level.
The squelch removes noise output from the speaker
(closed position) when no signal is received.
• The squelch is particularly effective for AM and FM. It is
also available for other modes.
• 12 to 1 o’clock position is recommended for any setting of
the [RF/SQL] control.
• The control can be set as ‘Auto’ (RF gain control in SSB,
CW, RTTY and PSK; squelch control in AM and FM) or
squelch control (RF gain is fixed at maximum) in set mode
as follows. (p. ??)
SET MODE
RF+SQL
(default)
SQL
OPERATION
Can be used in all modes.
Functions as noise squelch or S-meter
squelch in FM modes; S-meter squelch
only in other modes.
Operates as a squelch control.
• When setting as RF gain/squelch control
Noise squelch (FM mode)
Recommended level
Squelch is
open.
Maximum
RF gain
• RF gain is fixed at maximum sensitivity.
Operates as an RF gain control in
SSB, CW, RTTY and PSK modes.
AUTO
[RF/SQL]
• Squelch is fixed open.
Operates as a squelch control in AM
and FM modes.
• RF gain is fixed at maximum sensitivity.
M Adjusting RF gain (Receive sensitivity)
Normally, [RF/SQL] is set to the 11 o’clock position.
Rotate [RF/SQL] to the 11 o’clock position for maximum sensitivity.
• Rotating counterclockwise from the maximum position
reduces sensitivity.
• The S-meter indicates receive sensitivity.
M Adjusting squelch (Removing non-signal noise)
Rotate [RF/SQL] clockwise when receiving no signal,
until the noise just disappears.
• [RX] indicator light goes out.
• Rotating [RF/SQL] past the threshold point invokes the Smeter squelch— this allows you to set a minimum signal
level needed to open the squelch.
RF gain
adjustable
range
S-meter
squelch
• When functioning as RF gain control
(Squelch is fixed open; SSB, CW, RTTY only)
Maximum
RF gain
Adjustable
range
Minimum RF gain
• When functioning as squelch control
(RF gain is fixed at maximum.)
Noise squelch (FM mode)
Noise squelch
threshold
(FM mode)
Squelch is
open.
Shallow
S-meter squelch
threshold
S-meter
squelch
Deep
While rotating the RF gain control, noise may be
heard. This comes from the DSP unit and does not
indicate an equipment malfunction.
33
BASIC OPERATION
N Volume setting
± Rotate [AF] control clockwise to increase, counterclockwise to decrease the audio output level.
Increases
Decreases
[AF]
N Meter indication selection
The transceiver has 6 transmit meter functions for
your convenience.
± Push [METER] (MF2) several times to select the
desired meter.
Indicates the RF output power in watts.
Indicates the SWR on the transmission
line.
METER
Indicates the ALC level. When the meter
movement shows the input signal level
exceeds the allowable level, the ALC
limits the RF power. In such cases,
reduce the [MIC GAIN] control.
SWR readout
10
Indicates the compression level when
the speech compressor is in use.
11
Indicates the drain current of the final
amplifier MOSFETs.
ALC level readout
12
13
Indicates the drain terminal voltage of
the final amplifier MOSFETs.
14
D Multi-function digital meter
15
The IC-7600 can display the multi-function digital
meter on the LCD display. This meter displays all
transmit parameters simultaneously.
16
q Push and hold [METER] (MF2) for 1 sec. to turn
the multi-function digital meter ON.
w Push [P-HOLD] (F-1) to toggle the peak level hold
function ON.
• “P-HOLD” appears on the window title when the peak
level hold function is ON.
e Push and hold [METER] (MF2) for 1 sec., or push
[EXIT/SET] to turn the multi-function digital meter
OFF.
17
18
METER
F-1
P-HOLD
“P-HOLD” indicator
19
20
21
34
3
BASIC OPERATION
D Meter type selection
A total of 3 meter types are available in the IC-7600—
Standard, Edgewise and Bar meters.
Follow the instructions below for the meter type selection.
q Push [EXIT/SET] several times to return to normal
screen, if necessary.
w Push [SET] (F-6), then push [DISP] (F-3) to select
display set mode.
e Push [Y] (F-1) or [Z] (F-2) to select “Meter type
(Normal Screen)” item.
r Rotate the main dial to select the desired meter
type from “Standard,” “Edgewise” and “Bar.”
t Push [EXIT/SET] to exit display set mode.
F-1
DISP
SET
F-3
F-6
F-2
EXIT/SET
Main dial
• Edgewise meter
• Bar meter
N Voice synthesizer operation
The IC-7600 has a built-in voice synthesizer to
announce the operating frequency, mode* and Smeter* in clear, electronically-generated voice, in
English (or Japanese).
Select the desired parameters to be announced, such
as audio level, speed, language, contents, in the set
mode in advance. (pgs. ??, ??)
± Push [SPEECH/LOCK] to announce the currently
selected frequency and S-meter level*.
± Push a mode switch to announce the appropriate
mode*.
* The S-meter level and operating mode announcements
can be deactivated, respectively. (pgs. ??, ??)
NOTE: When “LOCK/SPEECH” is selected in
[[SPEECH/LOCK] Switch] item in others set mode,
pushing and holding [SPEECH/LOCK] activates
the voice synthesizer. (p. ??)
35
SPEECH
LOCK
BASIC OPERATION
N Basic transmit operation
Before transmitting, monitor your selected
operating frequency to make sure transmitting
won’t cause interference to other stations on
the same frequency. It’s good amateur practice
to listen first, and then, even if nothing is heard,
ask “Is the frequency in use?” once or twice,
before you begin operating on that frequency.
D Transmitting
Before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause
interference to other stations on the same frequency.
q Push [TRANSMIT] or [PTT] (microphone) to transmit.
TRANSMIT
[TX] indicator
• The [TX] indicator lights red.
w Push [TRANSMIT] again or release [PTT] (microphone) to return to receive.
 Adjusting the transmit output power
± Rotate [RF POWER].
• Adjustable range : 2 W to 100 W
(AM mode: 1 W to 30 W)
Push
Decreases
min. 2 W
(1 W for AM)
[RF POWER]
Increases
max. 100 W
(30 W for AM)
10
11
D Microphone gain adjustment
12
Before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause
interference to other stations on the same frequency.
METER
q Push [SSB] to select SSB mode.
w Push [METER] (MF2) to select the ALC meter.
e Push [PTT] (microphone) to transmit.
15
r While talking into the microphone, rotate
[MIC GAIN] so that the ALC meter reading doesn’t
go outside the ALC zone. (see at right)
Increases
16
[MIC GAIN]
SSB
ALC zone
Decreases
t Release [PTT] (microphone) to return to receive.
In addition, the transceiver can display the multi-function digital meter in the LCD, which displays all transmit meters simultaneously.
13
14
• Talk into the microphone at your normal voice level.
Push
17
18
19
20
21
36
3
BASIC OPERATION
D Drive gain adjustment
The drive gain is active for all modes other than SSB
mode with speech compressor OFF.
Before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause
interference to other stations on the same frequency.
q Push [EXIT/SET] several times to return to normal
screen, if necessary.
w Push [SET] (F-6), then push [LEVEL] (F-1) to
select level set mode.
e Push [Y] (F-1) or [Z] (F-2) to select “Drive Gain”
item.
r Push [METER] (MF2) to select the ALC meter.
t Push [PTT] (microphone; SSB with [COMP] ON,
AM or FM), key down (CW) or push [TRANSMIT]
(RTTY or PSK) to transmit.
y While talking into the microphone or keying down,
rotate the main dial so that the ALC meter reading
is within 30% to 50% of the ALC scale. (p. ??)
• Talk into the microphone at your normal voice level.
u Release [PTT], stop keying or push [TRANSMIT]
again to return to receive.
i Push [EXIT/SET] to exit display set mode.
37
SET
TRANSMIT
F-1
METER
F-2
LEVEL /
Drive gain range
F-6
EXIT/SET
Main dial
4
RECEIVE AND TRANSMIT
N Functions for CW operation
D About CW reverse mode
CW-R (CW Reverse) mode uses the opposite side
band to receive CW signals.
Use when interfering signals are near a desired signal and you want to use CW-R to reduce the interference.
Push
BFO
± During CW mode, push [CW] to select CW and
CW-R mode.
BFO
Interference Desired signal
Interference Desired signal
CW mode (LSB side)
CW-R mode (USB side)
D About CW pitch control
The received CW audio pitch and CW side tone
can be adjusted to suit your preference (from 300
to 900 Hz in 5 Hz steps). This does not change the
operating frequency.
± Rotate [CW PITCH] to suit your preference.
• Adjustable within 300 to 900 Hz in 5 Hz steps.
[CW PITCH]
Higher frequency
Lower frequency
The filter set screen graphically displays the CW
pitch operations. (See at right.)
10
11
D CW side tone function
12
When the transceiver is in receive (and the break-in
function is OFF— p. ??) you can listen to the CW side
tone without actually transmitting.
13
14
This allows you to match your transmit frequency
exactly to another station’s by matching the audio
tone. You can also use the CW side tone (be sure to
turn OFF break-in!) to practice CW sending.
CW side tone level can be adjusted in level set mode
(p. ??).
15
16
17
q Push [SET] (F-6), then push [LEVEL] (F-1) to
select level set mode.
w Push [Y] (F-1) or [Z] (F-2) to select “Side Tone
Level” item.
e Rotate the main dial to adjust the side tone level.
18
19
20
• Side tone level is adjustable within 0 to 100 % in 1%
steps.
r Push [EXIT/SET] to exit display set mode.
Matching the frequency of a transmitted and
received signal is called “Zero beat.”
F-1
LEVEL /
F-2
F-6
EXIT/SET
Main dial
21
SET
38
4
RECEIVE AND TRANSMIT
D APF (Audio Peak Filter) operation
The APF changes the audio frequency response by
boosting a particular frequency to enhance a desired
CW signal.
q During CW mode, push [APF/TPF] to turn the
audio peak filter ON and OFF.
•“
” appears in the display and the indicator on this
switch lights green when the audio peak filter is ON.
w Push and hold [APF/TPF] for 1 sec. several times
to select the desired audio filter width.
• WIDE, MID and NAR filters, or 320, 160 and 80 Hz filters are available depending on APF type setting in
other set mode. (p. ??)
The audio filter shape is also selectable from “SOFT”
and “SHARP” in others set mode (p. ??).
39
APF/TPF
RECEIVE AND TRANSMIT
N Electronic keyer functions
The IC-7600 has a number of convenient functions
for the built-in electronic keyer that can be accessed
from the memory keyer menu.
q During CW mode, push [EXIT/SET] several times
to return to normal screen, if necessary.
w Push [KEYER] (F-3) to select memory keyer
screen.
e Push [EXIT/SET] to select memory keyer menu
screen.
r Push [SEND] (F-1), [EDIT] (F-2), [001] (F-3) or
[CW KEY] (F-4) to select the desired menu. See
the diagram below.
KEYER
001
F-3
• Push [EXIT/SET] to return to the previous display.
F-1
F-2
F-4
SEND
EDIT
CW KEY
EXIT/SET
F-1
F-2
F-3
F-4
F-5
F-6
• Memory keyer screen (p. ??)
• Memory keyer edit screen (p. ??)
10
11
12
F-1
EXIT/SET
• Memory keyer menu screen
F-2
13
• Contest number set mode (p. ??)
14
15
16
F-1
F-2
F-3
F-4
F-5
F-6
F-3
• Keyer set mode screen (p. ??)
17
18
19
20
F-4
21
40
4
RECEIVE AND TRANSMIT
D Memory keyer screen
Pre-set characters can be sent using the keyer send
menu. Contents of the memory keyer are set using
the edit menu.
• Transmitting
q During CW mode operation, push [KEYER] (F-3)
to select memory keyer screen.
w Push [TRANSMIT] to set the transceiver to transmit, or set the break-in function ON (p. ??).
e Push one of the function keys ([M1] (F-1) to [M4]
(F-4)) to send the contents of the memory keyer.
• Pushing and holding a function key for 1 sec. or push
[REPEAT] (F-6) while sending the contents of the
memory keyer to send the contents repeatedly; push
any function key except for to cancel the transmission.
• The contest serial number counter counts each time
the contents are sent.
• Push [−1] (F-5) to reduce the contest serial number
count by 1 before sending the contents of the memory
keyer to a station a second time.
• “M1”–“M4” are highlighted while transmitting.
•“
” appears while transmitting repeatedly.
• Set the repeat interval of the memory keyer to 1–60
sec. (1 sec. steps). See p. ?? for keyer set mode.
r Push [EXIT/SET] twice to return to normal screen.
For your information
When an external keypad is connected to [KEY] connector on the rear panel, or one of [F-1]−[F-4] key of
the keyboard that is connected to the [USB] (A)
connector on the front panel is pushed, the programmed contents, M1—M4, can be transmitted
without selecting the memory keyer screen.
See pgs. ??, ?? for details.
41
TRANSMIT
F-1
M1
KEYER
−1
F-3
F-5
—
• Memory keyer screen
F-4
M4
EXIT/SET
RECEIVE AND TRANSMIT
D Editing a memory keyer
The contents of the memory keyer memories can be
set using the memory keyer edit menu. The memory
keyer can memorize and re-transmit 4 CW key codes
for often-used CW sentences, contest serial numbers,
etc. Total capacity of the memory keyer is 70 characters per memory channel.
M1..M4
F-6
• Programming contents
q During CW mode operation, push [KEYER] (F-3)
to select memory keyer screen.
w Push [EXIT/SET] to select memory keyer menu,
then push [EDIT] (F-2) to select keyer edit screen.
• Memory keyer contents of Channel 1 (M1) is selected.
e Push [M1..M4] (F-6) several times to select the
desired memory keyer channel to be edited.
r Push [ABC] (MF6) or [123] (MF7) or [Symbol]
(MF7) to select the character group, then rotate the
main dial to select the character, or push the keypad for number input.
F-2
F-3
EDIT
KEYER
EXIT/SET
123
Symbol
ABC
• [Symbol] appears when [123] (MF7) is pushed when
“123” character group is selected.
• Selectable characters (using the main dial);
Key selection
Characters
A to Z (capital letters)
F-1
F-2
F-3
F-4
DEL
SPACE
Main dial
• Memory keyer edit screen
0 to 9 (numbers)
/?^ .,@1
10
NOTE:
“^” is used to transmit a string of characters with no
inter-character space. Put “^” before a text string
such as ^AR, and the string “AR ” is sent with no
space.
“1” is used to insert the CW contest serial number. The serial number automatically increments by
1. This function is available only for one memory
keyer channel at a time. Memory keyer channel M2
used “1” by default.
t Push [Ω] (F-1) or [≈] (F-2) to move the cursor
backwards or forwards, respectively.
• Pushing [DEL] (F-3) deletes a character and [SPACE]
(F-4) inserts a space.
y Repeat steps r and t to input the desired characters.
u Push [EXIT/SET] twice to return to normal screen.
 For your convenience
When a PC keyboard is connected to [USB] (A) connector on the front panel, the memory keyer contents
can also be edited from the keyboard.
11
12
• Example— entered “QSL TU DE JA3YUA TEST”
into memory keyer channel 3
13
14
15
• Pre-programmed contents
CH
Contents
M1 CQ TEST CQ TEST DE ICOM ICOM TEST
M2 UR 5NN1 BK
M3 CFM TU
M4 QRZ?
16
17
18
19
20
21
42
4
RECEIVE AND TRANSMIT
D Contest number set mode
This menu is used to set the contest (serial) number
and count-up trigger, etc.
• Contest number set mode screen
KEYER / 001
F-3
• Setting contents
q During CW mode operation, push [KEYER] (F-3)
to select memory keyer screen.
w Push [EXIT/SET] to select memory keyer menu,
then push [001] (F-3) to select contest serial number set mode.
e Push [Y] (F-1) or [Z] (F-2) to select the desired
set item.
r Set the desired condition using the main dial.
F-1
F-2
F-4
EXIT/SET
Main dial
DEF
• Push and hold [DEF] (F-4) for 1 sec. to select the
default condition or value.
t Push [EXIT/SET] twice to normal screen.
Number Style
This item sets the numbering system used for contest (serial) numbers— normal or short morse numbers.
Short morse numbers are also referred to as “cut”
numbers.
Count Up Trigger
This selects which of the four memories will contain the contest serial number exchange. The
count-up trigger allows the serial number to automatically increment after each complete serial number exchange is sent.
Present Number
This item shows the current number for the count-up
trigger channel set above.
43
Normal
• Normal
•
•
•
•
190 ANO
190 ANT
90
NO
90
NT
: Does not use short morse numbers
(default)
: Sets 1 as A, 9 as N and 0 as O.
: Sets 1 as A, 9 as N and 0 as T.
: Sets 9 as N and 0 as O.
: Sets 9 as N and 0 as T.
M2
• M1, M2, M3 and M4 can be set. (default: M2)
001
• Rotate the main dial to change the number, or
push and hold [001CLR] (F-4) for 1 sec. to reset
the current number to 001.
RECEIVE AND TRANSMIT
D Keyer set mode
This set mode is used to set the memory keyer repeat
time, dash weight, paddle specifications, keyer type,
etc.
• Setting contents
q During CW mode operation, push [KEYER] (F-3)
to select memory keyer screen.
w Push [EXIT/SET] to select memory keyer menu,
then push [CW KEY] (F-4) to select keyer set
mode.
e Push [Y] (F-1) or [Z] (F-2) to select the desired
set item.
r Set the desired condition using the main dial.
• Push and hold [DEF] (F-4) for 1 sec. to select the
default condition or value.
DEF
/ CW KEY
F-4
F-1
F-2
F-3
EXIT/SET
Main dial
KEYER
• Keyer set mode screen
t Push [EXIT/SET] twice to normal screen.
Keyer Repeat Time
2s
When sending CW using the repeat timer, this item
sets the time between transmission.
Dot/Dash Ratio
• 1 to 60 sec. in 1 sec. steps can be selected.
(default: 2 sec.)
• 1:1:2.8 to 1:1:4.5 (in 0.1 steps) can be selected.
(default: 1:1:3.0)
Keying weight example: Morse code “K”
DASH
DASH
11
1:1:3 (default)
Weight setting:
12
Adjusted
Adjustable range
SPACE (fixed*)
13
*SPACE and DOT length can be
14
adjusted with [KEY SPEED] only.
Rise Time
15
4ms
This item sets the rise time of the transmitted CW
envelope.
• About rise time
Key action
10
DOT (fixed*)
Weight setting:
M2
This item sets the dot/dash ratio.
• 2, 4, 6, 8 or 10 msec. can be selected.
(default: 4 msec.)
Key clicks on nearby frequencies can be generated
if the rise time of a CW waveform is too short.
Tx
Rx
Rise time
17
18
19
Set Tx power level
Tx output power
16
20
Time
Continues to the next page.
21
44
4
RECEIVE AND TRANSMIT
D Keyer set mode (continued)
Paddle Polarity
This item sets the paddle dot-dash polarity.
Keyer Type
This item selects the keyer type for [ELEC-KEY]
connector on the front panel.
Mic Up/Down Keyer
This item allows you to set the microphone [UP]/
[DN] keys to be used as a paddle.
Normal
• Normal and reverse polarity can be selected.
ELE-KEY
• ELEC-KEY, BUG-KEY and Straight key can be
selected. (default: ELEC-KEY)
OFF
• ON : [UP]/[DN] keys can be used for CW.
• OFF : [UP]/[DN] keys cannot be used for CW.
NOTE: When “ON” is selected, the frequency and
memory channel cannot be changed using
the [UP]/[DN] keys.
45
4
RECEIVE AND TRANSMIT
N RTTY (FSK) operation
A DSP-based high-quality Baudot RTTY encoder/
decoder is built-in to the IC-7600. When connecting
a PC keyboard (p. ??), RTTY operation can be performed without an external RTTY terminal, TNC or
PC.
If you would rather use your RTTY terminal or TNC,
consult the manual that comes with the RTTY terminal or TNC.
q Push a band key to select the desired band.
w Push [RTTY/PSK] to select RTTY.
[TX]
[RX]
indicator indicator
DECODE
Band keys
F-3
• After RTTY mode is selected, push and hold
[RTTY/PSK] for 1 sec. to toggle between RTTY and
RTTY-R modes.
• “RTTY” or “RTTY-R” appears.
e Push [DECODE] (F-3) to display the decode
screen.
• The IC-7600 has a built-in Baudot decoder.
r To tune the desired signal, aim for a symmetrical
waveform and ensure the peak points align with
the mark (2125 Hz) and shift (170 Hz) frequency
lines in the FFT scope.
[AF]
RTTY/PSK
EXIT/SET
Main dial
Appears
• The S-meter indicates received signal strength when
signal is received.
t Press [F12] on the connected PC’s keyboard to
transmit.
• [TX] indicator lights red.
y Type from the keyboard to enter the contents that
you want to transmit.
• The typewritten contents are indicated in the TX buffer
screen and transmitted immediately.
• The text color will be changed when transmitted.
• Press one of [F1]–[F8] on the keyboard to transmit the
TX memory contents.
u Press [F12] on the keyboard to return to receive.
10
11
TX buffer screen
2125/ 170
12
FFT scope
RX contents screen
 For your convenience
The transmission contents can be typed before being
transmitted.
q Perform the steps q to r above.
w Type from the connected keyboard to enter the
message that you want to transmit.
• The typewritten contents are indicated in the TX buffer
screen.
Water-fall
1905
2515
13
14
15
16
e Press [F12] of the connected keyboard to transmit
the typewritten contents.
17
• The color of displayed text, in the TX buffer screen, will
be changed when transmitted.
• To cancel the transmission, press [F12] twice.
18
r Press [F12] of the keyboard to return to receive.
19
20
21
46
4
RECEIVE AND TRANSMIT
D About RTTY reverse mode
Received characters are occasionally garbled when
the received signal is reversed between Mark and
Space tones. This reversal can be caused by incorrect TNC connections, setting, commands, etc.
To receive a reversed RTTY signals correctly, select
RTTY-R (RTTY Reverse) mode.
± During RTTY mode, push and hold [RTTY/PSK]
for 1 sec. to select RTTY and RTTY-R mode.
• Check the received signal.
Normal
170 Hz
Reverse
2125 Hz
Space Mark
BFO
2125 Hz
BFO
170 Hz
Space
Mark
D Twin peak ﬁlter
The twin peak filter changes the audio frequency
response by boosting the mark and space frequencies (2125 and 2295 Hz) for better reception of RTTY
signals.
± During RTTY mode, push [APF/TPF] to turn the
twin peak filter ON and OFF.
•“
” appears in the LCD and the indicator on
this switch lights green while the filter is in use.
NOTE: When the twin peak filter is in use, the
received audio output may increase. This is a normal, not a malfunction.
47
APF/TPF
RECEIVE AND TRANSMIT
D Functions for the RTTY decoder indication
q Push a band key to select the desired band.
w Push [RTTY/PSK] to select RTTY.
DECODE
WIDE
F-3
F-6
Band keys
• After RTTY mode is selected, push and hold [RTTY/
PSK] for 1 sec. to toggle between RTTY and RTTY-R
modes.
• “RTTY” or “RTTY-R” appears.
e Push [DECODE] (F-3) to display the decode
screen.
• When tuned into an RTTY signal, decoded characters
are displayed in the RX contents screen.
r Push [HOLD/CLR] (F-2) to freeze the current
screen.
F-2
RTTY/PSK
HOLD/CLR
EXIT/SET
•“
” appears while the function is in use.
• Push [HOLD/CLR] (F-2) again to cancel the function.
t Push [WIDE] (F-6) to toggle the RTTY decode
screen size from normal and wide.
• S/RF meter type during wide screen indication can be
selected in display set mode. (pgs. ??, ??)
y Push and hold [HOLD/CLR] (F-2) for 1 sec. to
clear the displayed characters.
•“
” indicator disappears at the same time when
the hold function is in use.
u Push [EXIT/SET] to close the RTTY decode
screen.
• Wide screen indication
10
11
D Setting the decoder threshold level
Adjust the RTTY decoder threshold level if some
characters are displayed when no signal is received.
q Select the RTTY decode screen as described
above.
w Push [ADJ] (F-4) to select the threshold level setting condition.
e Rotate the main dial to adjust the RTTY decoder
threshold level.
• Push and hold [DEF] (F-5) for 1 sec. to select the
default setting.
r Push [ADJ] (F-4) to exit from the threshold level
setting condition.
The UnShift On Space (USOS) function and new
line code can be set in the RTTY set mode.
(p. ??)
12
13
14
15
16
17
18
19
20
21
48
4
RECEIVE AND TRANSMIT
D RTTY memory transmission
Pre-set characters can be sent using the RTTY memory. Contents of the memory are set using the edit
menu.
DECODE
q During RTTY mode operation, push [DECODE] (F-3)
to select RTTY decode screen.
w Push [TX MEM] (F-3) to select RTTY memory
screen.
e Push [1–4/5–8] (F-6) to select memory bank then
push one of the function keys ([RT1] (F-1) to
[RT4] (F-4) or [RT5] (F-1) to [RT8] (F-4)).
• When no keyboard is connected, the selected memory
contents will be transmitted immediately.
• When a keyboard is connected, the memory contents
will be transmitted immediately when function key is
pushed, or transmitted after [F12] on the connected
keyboard is pressed, depending on auto transmission/
reception setting (see below).
• The transmission date, time, reception date and/or time
may be displayed in RX contents screen, depending on
setting.
TX MEM
1–4/5–8
F-3
F-1
RT1
–
F-4
RT4
or
F-6
F-1
RT5
–
F-4
RT8
D Automatic transmission/reception setting
q During RTTY mode operation, push [DECODE] (F-3)
to select RTTY decode screen.
w Push [TX MEM] (F-3) to select RTTY memory
screen, then push [EDIT] (F-5) to select RTTY
memory edit screen.
DECODE
TX MEM
RT1..RT8
F-3
F-6
• RTTY memory contents of the Channel 1 (RT1) is
selected.
e Push [RT1..RT8] (F-6) several times to select the
desired RTTY memory.
r Push [AUTO TX] (F-5) several times to select the
desired condition as follow.
• AUTO TX/RX : Automatically transmits the
selected memory and returns to
receive after the transmission.
• AUTO TX
: Automatically transmits the
selected memory. To return to
receive, press [F12] on the keyboard.
• AUTO RX
: Press [F12] on the keyboard
to transmit the selected memory.
Automatically returns to receive
after the transmission.
• No indication : Press [F12] on the keyboard
to transmit the selected memory
and press [F12] again to return to
receive.
t Push [EXIT/SET] to exit RTTY memory edit condition.
NOTE: The transceiver always functions in the
“AUTO TX/RX” setting when no keyboard is connected.
49
F-5
EDIT
EXIT/SET
AUTO TX
RECEIVE AND TRANSMIT
D Editing RTTY memory
The contents of the RTTY memories can be set using
the memory edit menu. The memory can store and
re-transmit 8 RTTY message for often-used RTTY
information. Total capacity of the memory is 70 characters per memory channel.
DECODE
• Programming contents
TX MEM
RT1..RT8
F-3
q During RTTY mode operation, push [DECODE] (F-3)
to select RTTY decode screen.
w Push [TX MEM] (F-3) to select RTTY memory
screen, then push [EDIT] (F-5) to select RTTY
memory edit screen.
F-6
• RTTY memory contents of the Channel 1 (RT1) is
selected.
e Push [RT1..RT8] (F-6) several times to select the
desired RTTY memory channel to be edited.
r Push [ABC] (MF6), [123] (MF7) or [Symbol] (MF7)
to select the character group, then rotate the main
dial to select the character, or push the keypad for
number input.
F-5
EXIT/SET
EDIT
123
Symbol
ABC
• [Symbol] (MF7) appears when [123] (MF7) is pushed
when “123” character group is selected.
• Selectable characters (using the main dial);
Key selection
Characters
A to Z (capital letters)
F-1
0 to 9 (numbers)
F-2
F-3
F-4
DEL
SPACE
Main dial
!$&?"’–/.,:;()↵
• RTTY memory edit screen
10
12
(F-4) inserts a space.
 For your convenience
When a PC keyboard is connected to [USB] connector on the front panel, the RTTY memory contents can also be edited from the keyboard.
11
t Push [Ω] (F-1) or [≈] (F-2) to move the cursor
backwards or forwards, respectively.
• Pushing [DEL] (F-3) deletes a character and [SPACE]
y Repeat steps r and t to input the desired characters.
u Push [EXIT/SET] to set the contents and exit
RTTY memory edit screen.
13
• Pre-programmed contents
CH
RT1
Contents
↵DE ICOM ICOM K↵
RT2
↵DE ICOM ICOM ICOM K↵
RT3
↵QSL UR 599–599 BK↵
RT4
↵QSL DE ICOM ICOM UR 599–599 BK↵
RT5
↵73 GL SK↵
RT6
↵CQ CQ CQ DE ICOM ICOM ICOM K↵
RT7
↵MY TRANSCEIVER IS IC–7600 & ANTENNA
IS A 3–ELEMENT TRIBAND YAGI.↵
RT8
↵MY RTTY EQUIPMENT IS INTERNAL FSK
UNIT & DEMODULATOR OF THE IC–7600.↵
14
15
16
17
18
19
20
21
50
4
RECEIVE AND TRANSMIT
D RTTY decode set mode
This set mode is used to set the decode USOS function, time stamp setting, etc.
F-1
F-2
F-3
DEF
SET
WIDE
F-4
F-5
F-6
• Setting contents
q During RTTY mode operation, push [DECODE] (F-3)
to select RTTY decode screen.
w Push [] (F-1) to select the second RTTY
decode menu, then push [SET] (F-5) to select
RTTY decode set mode.
• Push [WIDE] (F-6) to toggle the screen size from normal and wide.
e Push [Y] (F-1) or [Z] (F-2) to select the desired
set item.
r Set the desired condition using the main dial.
• Push and hold [DEF] (F-4) for 1 sec. to select a default
condition or value.
• Push [Ω ≈] (F-3) to select the set contents for some
items.
F-1
F-3

DECODE
EXIT/SET
Main dial
• RTTY decode set mode screen
t Push [EXIT/SET] to exit from set mode.
RTTY FFT Scope Averaging
Select the FFT scope waveform averaging function
from 2 to 4 and OFF. (default: OFF)
OFF
Recommendation!
If you use the FFT scope waveform for tuning, use
of the default or smaller averaging setting is recommended.
RTTY FFT Scope Waveform Color
Set the color for the FFT scope waveform.
• The color is set in RGB format.
• The set color is indicated in the box beside the RGB
scale.
RTTY Decode USOS
Turn the capability of letter code decoding after
receiving a “space” (USOS; UnShift On Space function) ON and OFF.
RTTY Docode New Line Code
Selects the new line code of the internal RTTY
decoder.
CR: Carriage Return, LF: Line Feed
RTTY Diddle
Selects the diddle condition.
51
51
153
255
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
ON
• ON : Decode as letter code.
• OFF : Decode as character code.
CR,LF,CR+LF
• CR,LF,CR+LF : Makes new line with any codes.
• CR+LF
: Makes new line with CR+LF code
only.
BLANK
• OFF
: Turns the diddle function OFF.
• BLANK : Transmits blank code during no code
transmission.
• LTRS : Transmits letter code during no code
transmission.
RECEIVE AND TRANSMIT
RTTY TX USOS
Explicitly inserts the FIGS character even though it
is not required by the receiving station.
RTTY Auto CR+LF by TX
Selects the automatic new line code (CR+LF) transmission capability.
RTTY Time Stamp
Turn the time stamp (date, transmission or reception
time) indication ON and OFF.
RTTY Time Stamp (Time)
Selects the clock indication for time stamp usage.
NOTE: The time won’t be displayed when “OFF” is
selected in “RTTY Time Stamp” as above.
RTTY Time Stamp (Frequency)
Selects the operating frequency indication for time
stamp usage.
ON
• ON : Inserts FIGS.
• OFF : Does not insert FIGS.
ON
• ON : Transmits CR+LF code once.
• OFF : Transmits no CR+LF code.
ON
• ON : Displays the time stamp.
• OFF : No time stamp indication.
Local
• Local : Selects the time that set in “Time (Now).”
• UTC* : Selects the time that set in “CLOCK2.”
*The name of choice may differ according
to “CLOCK2 Name” setting (p. ??). “UTC”
is the default name of CLOCK2.
Set the text color for received characters.
• The color is set in RGB format.
• The set color is indicated in the box beside the
RGB scale.
RTTY Font Color (Transmit)
Set the text color for transmitted characters.
• The color is set in RGB format.
• The set color is indicated in the box beside the
RGB scale.
OFF
• ON : Displays the operating frequency.
• OFF : No operating frequency display.
NOTE: The frequency won’t be displayed when
“OFF” is selected in “RTTY Time Stamp” as above.
RTTY Font Color (Receive)
128
255
128
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
255
106
106
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
10
11
12
13
14
15
16
RTTY Font Color (Time Stamp)
Set the text color for time stamp indication.
• The color is set in RGB format.
• The set color is indicated in the box beside the
RGB scale.
RTTY Font Color (TX Buffer)
Set the text color in the TX buffer screen.
• The color is set in RGB format.
• The set color is indicated in the box beside the
RGB scale.
155
189
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
17
18
19
255
255
255
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
20
21
52
4
RECEIVE AND TRANSMIT
D Data saving
The contents of the RTTY memory/received signal
can be saved into the USB-Memory.
q During RTTY decode screen indication, push
[] (F-1) to select the RTTY decode second menu.
w Push [SAVE] (F-4) to select decode file save screen.
e Change the following conditions if desired.
• File name:
z Push [EDIT] (F-4) to select file name edit condition.
The USB-Memory is not supplied by Icom.
123
Symbol
ABC
F-1
F-2
DEL
SPACE
F-3
F-4
• Push [DIR/FILE] (F-1) several times to select the
file name, if necessary.
x Push [ABC] (MF6), [123] or [Symbol] (MF7)
to select the character group, then rotate the
main dial to select the character.
• [ABC] (MF6): A to Z (capital letters); [123] (MF7):
0 to 9 (numerals); [Symbol] (MF7): ! # $ % & ’ ` ^
– ( ) { } _ @ can be selected.
• Push [Ω] (F-1) to move the cursor left, push
[≈] (F-2) to move the cursor right, [DEL] (F-3)
delete a character and push [SPACE] (F-4) to
insert a space.
F-1

F-4
DIR/FILE
SAVE
EXIT/SET
Main dial
EDIT
• Decode file save screen— file name edit
c Push [EXIT/SET] to set the file name.
• File format
z Push and hold [SAVE/OPT] (F-5) for 1 sec. to
enter save option screen.
x Rotate the main dial to select the saving format from Text to HTML.
• “Text” is the default setting.
• Push and hold [DEF] (F-4) for 1 sec. to select the
default setting.
c Push [EXIT/SET] to return to the previous
indication.
• Saving location
z Push [DIR/FILE] (F-1) to select tree view
screen.
x Select the desired directory or folder in the
USB-Memory.
• Push [Ω ≈] (F-4) to select the upper directory.
• Push [Y] (F-2) or [Z] (F-3) to select folder in the
same directory.
• Push and hold [Ω ≈] (F-4) for 1 sec. to select a
folder in the directory.
• Push [REN] (MF5) to rename the folder.
• Push and hold [DEL] (MF6) for 1 sec. to delete
the folder.
• Push and hold [MAKE] (MF7) for 1 sec. to making a new folder. (Edit the name with the same
manner as the “• File name” above.)
MAKE
REN
F-4
F-5
DEF
SAVE/OPT
DEL
F-2
EXIT/SET
F-3
F-1
F-5
DIR/FILE
SAVE/OPT
Main dial
F-4
• Save option screen
c Push [DIR/FILE] (F-1) twice to select the file
name.
r Push [SAVE/OPT] (F-5).
• After saving is completed, returns to RTTY decode second menu automatically.
53
 For your convenience!
Two data formats, Text and HTML, are available for
PC data storage.
When a PC keyboard is connected to [USB] connector
on the front panel, the ﬁle name can also be edited from
the keyboard. In this case, a USB hub is required.
4
RECEIVE AND TRANSMIT
N PSK operation
A high-quality DSP-based PSK encoder/decoder is
built-in to the IC-7600. When connecting a PC keyboard (p. ??), PSK operation can be performed without PSK software installed on your PC.
If desired, you can also use your PSK software; consult the manual that comes with the software.
[TX]
[RX]
indicator indicator
DECODE
Band keys
F-3
q Push a band key to select the desired band.
w Push [RTTY/PSK] to select PSK.
• After PSK mode is selected, push and hold
[RTTY/PSK] for 1 sec. to toggle between PSK and
PSK-R modes.
• “PSK” or “PSK-R” appears.
e Push [DECODE] (F-3) to display the decode
screen.
[AF]
RTTY/PSK
EXIT/SET
Main dial
Appears
• The IC-7600 has a built-in PSK decoder.
r Tune to the desired signal with the main dial.
• The signal is properly tuned when the radiated lines
in the vector tuning indicator narrow, as show in the
example below.
• The radiated lines in the vector tuning indicator may be
displayed sporadically.
• When a PSK signal is received, the water-fall display is
activated.
• The water-fall display shows the signals within the passband. Received PSK signals appear as vertical lines.
t Press [F12] of the connected keyboard to transmit.
• [TX] indicator lights red.
y Type from the connected keyboard to enter the
message that you want to transmit.
• The typewritten contents are indicated in the TX buffer
screen and transmitted immediately.
• The text color will be changed when transmitted.
• Press one of [F1]–[F8] to transmit the TX memory contents.
TX buffer screen
1500
Water-fall
1195
Vector tuning indicator
Tuned BPSK signal
1805
10
11
• Vector tuning indicator indication example
Tuned QPSK signal
 For your convenience
The transmission contents can be typed before being
transmitted.
• The message is shown in the TX buffer screen.
FFT scope
RX contents screen
u Press [F12] of the keyboard to return to receive.
q Perform the steps q to r above.
w Type from the connected keyboard to enter the
message that you want to transmit.
12
13
14
BPSK/QPSK idle signal
Unmodulated signal
15
16
e Press [F12] of the connected keyboard to transmit
the message.
17
• The color of displayed text, in the TX buffer screen, will
be changed when transmitted.
• To cancel the transmission, press [F12] twice.
18
r Press [F12] of the keyboard to return to receive.
19
20
21
54
4
RECEIVE AND TRANSMIT
D About BPSK and QPSK modes
BPSK and QPSK modes are available for PSK.
• BPSK (Binary Phase Shift Keying) mode is the most
commonly used mode.
• QPSK (Quadrature Phase Shift Keying) mode has
error correction capability to provide better decoding
than BPSK mode in marginal condition. However,
more accurate tuning is required with QPSK mode,
due to the tight phase margin of QPSK.
q During PSK mode selection, push [DECODE] (F-3)
to display the PSK decode screen.
w Push [] (F-1) to select PSK decode second menu.
e Push [B/QPSK] (F-2) to toggle between BPSK and
QPSK mode alternately.
F-1
F-2
F-3

B/QPSK
DECODE
• PSK decode screen— BPSK mode
• PSK decode screen— QPSK mode
55
RECEIVE AND TRANSMIT
D Functions for the PSK decoder indication
q Push a band key to select the desired band.
w Push [RTTY/PSK] to select PSK.
DECODE
• After PSK mode is selected, push and hold [RTTY/
PSK] for 1 sec. to toggle between PSK and PSK-R
modes.
• “PSK” or “PSK-R” appears.
AFC/NET
F-3
WIDE
F-6
Band keys
e Push [DECODE] (F-3) to display the decode
screen.
• When tuned into a PSK signal, decoded characters are
displayed in the RX contents screen.
r Push [HOLD/CLR] (F-2) to freeze the current
screen.
•“
” appears while the function is in use.
• Push [HOLD/CLR] (F-2) again to release the function.
t Push [WIDE] (F-6) to toggle the PSK decode
screen size from normal and wide.
F-2
RTTY/PSK
EXIT/SET
HOLD/CLR
• AFC/NET indications
• S/RF meter type during wide screen indication can be
selected in display set mode. (pgs. ??, ??)
y Push and hold [HOLD/CLR] (F-2) for 1 sec. to
clear the displayed characters.
” indicator disappears at the same time when
•“
the hold function is in use.
u Push [AFC/NET] (F-3) to turn the AFC function
ON.
•“
” appears.
• If a PSK signal is received within the AFC tuning range,
the decoder automatically tunes into the signal and the
offset frequency is displayed.
• The AFC tuning range is set to ±15 Hz as the default.
Optional ±8 Hz setting is available in PSK decode set
mode. (p. ??)
NOTE: The AFC function may not tune the signal
properly when a weak PSK signal is received.
i Push [AFC/NET] (F-3) again to turn the NET function ON.
•“
” appears additionally.
o Push and hold [AFC/NET] (F-3) for 1 sec. to add
the offset frequency to the displayed frequency.
!0 Push [EXIT/SET] to close the PSK decode screen.
“AFC” and “NET” Offset frequency
indicators
10
11
12
13
14
D Setting the decoder threshold level
15
Adjust the PSK decoder threshold level if some characters are displayed when no signal is received.
16
q Call up the PSK decode screen as described
above.
w Push [ADJ] (F-4) to select the threshold level setting condition.
e Rotate the main dial to adjust the PSK decoder
threshold level.
17
• Push and hold [DEF] (F-5) for 1 sec. to select the
default setting.
20
r Push [ADJ] (F-4) to exit from the threshold level
setting condition.
21
18
19
56
4
RECEIVE AND TRANSMIT
D PSK memory transmission
Pre-set characters can be sent using the PSK memory. Contents of the memory are set using the edit
menu.
q During PSK mode operation, push [DECODE] (F-3)
to select PSK decode screen.
w Push [TX MEM] (F-3) to select PSK memory
screen.
e Push [1–4/5–8] (F-6) to select memory bank
then push one of the function keys ([PT1] (F1) to
[PT4] (F-4) or [PT5] (F-1) to [PT8] (F-4)).
• When no keyboard is connected, the selected memory
contents will be transmitted immediately.
• When a keyboard is connected, the memory contents
will be transmitted immediately when function key is
pushed, or transmitted after [F12] on the connected
keyboard is pressed, depending on auto transmission/
reception setting (see below).
• The transmission date, time, reception date and/or time
may be displayed in RX contents screen, depending on
setting.
DECODE
TX MEM
1–4/5–8
F-3
F-1
PT1
–
F-4
PT4
or
F-6
F-1
PT5
–
F-4
PT8
D Automatic transmission/reception setting
q During PSK mode operation, push [DECODE] (F-3)
to select PSK decode screen.
w Push [TX MEM] (F-3) to select PSK memory
screen, then push [EDIT] (F-5) to select PSK memory edit screen.
DECODE
TX MEM
PT1..PT8
F-3
F-6
• PSK memory contents of Channel 1 (PT1) is selected.
e Push [PT1..PT8] (F-6) several times to select the
desired PSK memory.
r Push [AUTO TX] (F-5) several times to select the
desired condition, as follows.
• AUTO TX/RX : Automatically transmits the
selected memory and returns to
receive after the transmission.
• AUTO TX
: Automatically transmits the
selected memory. To return to
receive, press [F12] on the keyboard.
• AUTO RX
: Press [F12] on the keyboard
to transmit the selected memory.
Automatically returns to receive
after the transmission.
• No indication : Press [F12] on the keyboard
to transmit the selected memory
and press [F12] again to return to
receive.
t Push [EXIT/SET] to return to exit from PSK memory edit condition.
NOTE: The transceiver always functions in the
“AUTO TX/RX” setting when no keyboard is connected.
57
F-5
EDIT
EXIT/SET
AUTO TX
RECEIVE AND TRANSMIT
D Editing PSK memory
The contents of the PSK memories can be set using
the memory edit menu. The memory can store and
re-transmit 8 PSK message for often-used PSK information. Total capacity of the memory is 70 characters
per memory channel.
DECODE
• Programming contents
TX MEM
PT1..PT8
F-3
q During PSK mode operation, push [DECODE] (F-3)
to select PSK decode screen.
w Push [TX MEM] (F-3) to select PSK memory
screen, then push [EDIT] (F-5) to select PSK memory edit screen.
F-6
• PSK memory contents of the Channel 1 (PT1) is
selected.
e Push [PT1..PT8] (F-6) several times to select the
desired PSK memory channel to be edited.
r Push [ABC] (MF6), [abc] (MF6), [123] (MF7) or
[Symbol] (MF7) to select the character group, then
rotate the main dial to select the character, or push
the keypad for number input.
F-5
EXIT/SET
EDIT
123
abc
Symbol
ABC
• [abc] (MF6) appears when [ABC] (MF6) is pushed
when “ABC” character group is selected. and [Symbol]
(MF7) appears when [123] (MF7) is pushed when
“123” character group is selected.
• Selectable characters (using the main dial);
Key selection
Characters
A to Z (capital letters)
F-1
F-2
F-3
F-4
DEL
SPACE
Main dial
a to z (small letters)
0 to 9 (numbers)
• PSK memory edit screen
10
11
!#$%&¥?"’`^+–1
/_ . , : ; = < > ( ) [ ] { } ¦ _
@↵
12
(“↵” is for the memory contents setting only.)
13
t Push [Ω] (F-1) or [≈] (F-2) to move the cursor
backwards or forwards, respectively.
• Pushing [DEL] (F-3) deletes a character and [SPACE]
(F-4) inserts a space.
y Repeat steps r and t to input the desired characters.
u Push [EXIT/SET] to set the contents and exit PSK
memory edit screen.
 For your convenience
When a PC keyboard is connected to [USB] connector on the front panel, the PSK memory contents can also be edited from the keyboard.
• Pre-programmed contents
CH
PT1
↵DE Icom Icom K↵
PT2
↵DE Icom Icom Icom K↵
PT3
↵QSL UR 599 599 BK↵
14
Contents
PT4
↵QSL DE Icom Icom UR 599 599 BK↵
PT5
↵73 GL SK↵
PT6
↵CQ CQ CQ DE Icom Icom Icom K↵
PT7
↵My transceiver is IC–7600 & Antenna is a 3–
element triband yagi.↵
PT8
↵My PSK equipment is internal modulator &
demodulator of the IC–7600.↵
15
16
17
18
19
20
21
58
4
RECEIVE AND TRANSMIT
D PSK decode set mode
This set mode is used to set the decode USOS function, time stamp setting, etc.
F-1
F-2
F-3
DEF
SET
WIDE
F-4
F-5
F-6
• Setting contents
q During PSK mode operation, push [DECODE] (F-3)
to select PSK decode screen.
w Push [] (F-1) to select the second PSK
decode menu, then push [SET] (F-5) to select PSK
decode set mode.
• Push [WIDE] (F-6) to toggle the screen size from normal and wide.
e Push [Y] (F-1) or [Z] (F-2) to select the desired
set item.
r Set the desired condition using the main dial.
F-1
F-3

DECODE
EXIT/SET
Main dial
• Push and hold [DEF] (F-4) for 1 sec. to select a default
condition or value.
• Push [Ω ≈] (F-3) to select the set contents for some
items.
t Push [EXIT/SET] to exit from set mode.
PSK FFT Scope Averaging
Select the FFT scope waveform averaging function
from 2 to 4 and OFF. (default: OFF)
OFF
Recommendation!
If you use the FFT scope waveform for tuning, using
the default or smaller averaging setting is recommended.
PSK FFT Scope Waveform Color
Set the color for the FFT scope waveform.
• The color is set in RGB format.
• The set color is indicated in the box beside the RGB
scale.
PSK AFC Range
Select the AFC (Automatic Frequency Control)
function operating range from ±15 Hz (default) and
±8 Hz.
PSK Time Stamp
Turn the time stamp (date, transmission or reception
time) display ON and OFF.
PSK Time Stamp (Time)
Selects the clock display for time stamp usage.
NOTE: The time won’t be displayed when “OFF” is
selected in “PSK Time Stamp” as above.
59
51
153
255
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
±15Hz
NOTE: The AFC function may not tune the signal
properly when a weak PSK signal is received.
ON
• ON : Displays the time stamp.
• OFF : No time stamp display.
Local
• Local : Selects the time that set in “Time (Now).”
• UTC* : Selects the time that set in “CLOCK2.”
*The name of choice may differ according to
“CLOCK2 Name” setting (p. ??). “UTC” is the
default name of CLOCK2.
RECEIVE AND TRANSMIT
PSK Time Stamp (Frequency)
Selects the operating frequency display for time
stamp usage.
NOTE: The frequency won’t be displayed when
“OFF” is selected in “PSK Time Stamp” as
below left.
PSK Font Color (Receive)
Set the text color for received characters.
• The color is set in RGB format.
• The set color is indicated in the box beside the RGB
scale.
PSK Font Color (Transmit)
Set the text color for transmitted characters.
• The color is set in RGB format.
• The set color is indicated in the box beside the RGB
scale.
PSK Font Color (Time Stamp)
Set the text color for time stamp indication.
• The color is set in RGB format.
• The set color is indicated in the box beside the RGB
scale.
OFF
• ON : Displays the operating frequency.
• OFF : No operating frequency display.
128
255
128
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
255
106
106
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
155
189
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
PSK Font Color (TX Buffer)
Set the text color in the TX buffer screen.
• The color is set in RGB format.
• The set color is indicated in the box beside the RGB
scale.
255
255
255
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and then rotate the main dial to set the
ratio from 0 to 255.
10
11
12
13
14
15
16
17
18
19
20
21
60
4
RECEIVE AND TRANSMIT
D Data saving
The contents of the PSK memory/received signal can
be saved into the USB-Memory.
q During PSK decode screen indication, push
[] (F-1) to select the PSK decode second menu.
w Push [SAVE] (F-4) to select decode file save screen.
e Change the following conditions if desired.
• File name:
z Push [EDIT] (F-4) to select file name edit condition.
The USB-Memory is not supplied by Icom.
123
Symbol
ABC
F-1
F-2
DEL
SPACE
F-3
F-4
• Push [DIR/FILE] (F-1) several times to select the
file name, if necessary.
x Push [ABC] (MF6), [123] or [Symbol] (MF7)
to select the character group, then rotate the
main dial to select the character.
• [ABC] (MF6): A to Z (capital letters); [123] (MF7):
0 to 9 (numerals); [Symbol] (MF7): ! # $ % & ’ ` ^
– ( ) { } _ ~ @ can be selected.
• Push [Ω] (F-1) to move the cursor left, push
[≈] (F-2) to move the cursor right, [DEL] (F-3)
delete a character and push [SPACE] (F-4) to
insert a space.
F-1

F-4
DIR/FILE
SAVE
EXIT/SET
Main dial
EDIT
• Decode file save screen— file name edit
c Push [EXIT/SET] to set the file name.
• File format
z Push and hold [SAVE/OPT] (F-5) for 1 sec. to
enter save option screen.
x Rotate the main dial to select the saving format from Text to HTML.
• “Text” is the default setting.
• Push and hold [DEF] (F-4) for 1 sec. to select the
default setting.
c Push [EXIT/SET] to return to the previous
indication.
• Saving location
z Push [DIR/FILE] (F-1) to select tree view
screen.
x Select the desired directory or folder in the
USB-Memory.
• Push [Ω ≈] (F-4) to select the upper directory.
• Push [Y] (F-2) or [Z] (F-3) to select folder in the
same directory.
• Push and hold [Ω ≈] (F-4) for 1 sec. to select a
folder in the directory.
• Push [REN] (MF5) to rename the folder.
• Push and hold [DEL] (MF6) for 1 sec. to delete
the folder.
• Push and hold [MAKE] (MF7) for 1 sec. to making a new folder. (Edit the name with the same
manner as the “• File name” above.)
MAKE
REN
F-4
F-5
DEF
SAVE/OPT
DEL
F-2
EXIT/SET
F-3
F-1
F-5
DIR/FILE
SAVE/OPT
Main dial
F-4
• Save option screen
c Push [DIR/FILE] (F-1) twice to select the file
name.
r Push [SAVE/OPT] (F-5).
• After saving is completed, returns to PSK decode second menu automatically.
61
 For your convenience!
Two data formats, Text and HTML, are available for
PC data storage.
When a PC keyboard is connected to [USB] connector
on the front panel, the ﬁle name can also be edited from
the keyboard. In this case, a USB hub is required.
RECEIVE AND TRANSMIT
N Repeater operation
A repeater retransmits a received signal on a different frequency. When using a repeater, the transmit
frequency is shifted from the receive frequency by an
offset frequency. A repeater can be accessed using
split frequency operation with the transmit frequency
shifted to the repeater's receive frequency.
For accessing a repeater which requires an access
tone, set the tone frequency in tone frequency set
mode as described below.
[SPLIT]
indicator
SPLIT
Band keys
q Set the offset frequencies (HF, 50 MHz) and turn
ON the quick split function in Others set mode in
advance. (pgs. ??, ??)
w Push [VFO/MEMO] to select VFO mode.
e Push the desired band key.
r Push [AM/FM] several times to select FM mode.
t Set the receive frequency (repeater output frequency).
y Push and hold [SPLIT] for 1 sec. to start repeater
operation.
AM/FM
XFC
Main
dial
VFO/MEMO
Appears
• Repeater tone is turned ON automatically.
• [SPLIT] indicator lights and “
” appears on
the LCD.
• Shifted transmit frequency and “TX” appear in the sub
band.
• The transmit frequency can be monitored while pushing [XFC].
10
11
D Repeater access tone frequency setting
12
13
TONE
14
q During FM mode operation, push and hold [TONE]
(MF7) for 1 sec. to enter tone frequency set mode.
w Push [Y] (F-1) or [Z] (F-2) to select REPEATER
TONE item.
e Rotate the main dial to select the desired repeater
tone frequency.
• Push and hold [DEF] (F-4) for 1 sec. to select the
default setting.
r Push [EXIT/SET] to return to the previous indication.
• Available tone frequencies
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
088.5
091.5
094.8
097.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
171.3
173.8
177.3
179.9
183.5
(unit: Hz)
186.2
189.9
192.8
196.6
199.5
203.5
206.5
210.7 254.1
218.1
225.7
229.1
233.6
241.8
250.3
u Push and hold [PTT] to transmit; release [PTT] to
receive.
i To return to simplex, push [SPLIT] momentarily.
Some repeaters require subaudible tones to be
accessed. Subaudible tones are superimposed on
your normal signal and must be set in advance. The
transceiver has 50 tones from 67.0 Hz to 254.1 Hz.
15
16
F-1
F-2
F-4
DEF
• Tone frequency set mode
EXIT/SET
Main dial
17
18
19
20
21
62
4
RECEIVE AND TRANSMIT
N Tone squelch operation
The tone squelch opens only when receiving a signal containing a matching subaudible tone. You can
silently wait for calls from group members using the
same tone.
XFC
TONE
q Set the desired frequency band and select FM
mode.
w Push [TONE] (MF7) to turn the tone squelch function ON.
•“
” appears
e Push and hold [TONE] (MF7) for 1 sec. to enter
tone frequency set mode.
r Push [Y] (F-1) or [Z] (F-2) to select T-SQL TONE
item.
t Rotate the main dial to select the desired tone
squelch frequency.
F-1
F-2
F-4
DEF
Appears
• Push and hold [DEF] (F-4) for 1 sec. to select the
default setting.
y Push [EXIT/SET] to return to the previous indication.
u When the received signal includes a matching
tone, squelch opens and the signal can be heard.
• When the received signal’s tone does not match,
tone squelch does not open. However, the S-indicator
shows signal strength.
• To open the squelch manually, push [XFC].
i Operate the transceiver in the normal way.
o To cancel the tone squelch, push [TONE] (MF7) to
clear “TSQL.”
• Available tone frequencies
67.0
69.3
71.9
74.4
77.0
79.7
82.5
63
085.4
088.5
091.5
094.8
097.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
171.3
173.8
177.3
179.9
183.5
(unit: Hz)
186.2
189.9
192.8
196.6
199.5
203.5
206.5
210.7 254.1
218.1
225.7
229.1
233.6
241.8
250.3
• Tone frequency set mode
EXIT/SET
Main dial
RECEIVE AND TRANSMIT
N Data mode (AFSK) operation
When operating AMTOR or PACKET with your TNC
and/or PC software, consult the manual that comes
with the TNC and/or the software.
q Connect a PC and TNC to the transceiver. (p. ??)
w Push a band key to select the desired band.
e Push [SSB] or [AM/FM] to select the desired operating mode.
r Push and hold [SSB] or [AM/FM] that is pushed in
step e for 1 sec. to turn data mode ON.
Band keys
• One of “-D1,” “-D2” or “-D3” is additionally appears.
• During data mode selection, push and hold [SSB] or
[AM/FM] for 1 sec. to select data mode 1 (D1), 2 (D2)
and 3 (D3) in sequence.
t Rotate the main dial to tune to the desired signal
and decode it correctly.
SSB
AM/FM
Main
dial
Appears
• Also use the tuning indicator of the TNC or software.
• During SSB data mode, the 1⁄4 tuning function can be
used for critical tuning.
y Operate the PC (software) or TNC to transmit.
• When operating in SSB data mode, adjust the TNC
output level so that the ALC meter reading doesn’t go
outside the ALC zone.
NOTE: When data mode 1 (D1) is selected, the
audio input from the [ACC1] (pin 4) is used for
transmission instead of [MIC]’s. (Modulation input
connector can be changed in ACC set mode (pgs.
??, ??)
The fixed condition is used for SSB data transmission as follows:
• [COMP]
: OFF
• Tx bandwidth
: MID
• Tx Tone (Bass)
:0
• Tx Tone (Trebles) : 0
10
11
12
 For your information
Carrier frequency is displayed when SSB data mode
is selected.
See the diagram at right for the tone-pair example.
• Tone-pair example
2325 Hz
200 Hz
2125 Hz
Carrier frequency
(displayed frequency)
13
14
15
16
17
18
19
20
21
64
4
RECEIVE AND TRANSMIT
N Spectrum scope screen
This DSP-based spectrum scope allows you to display the frequency and relative signal strength of
received signals on the strengths of signals. The IC7600 has two modes for the spectrum display— one
is center mode, and the other is fixed mode.
In addition, the IC-7600 has a mini scope screen to
save screen space.
D Center mode
Displays signals around the set frequency within the
selected span. The set frequency is always displayed
at the center of the screen.
q Push [EXIT/SET] several times to close a multifunction screen, if necessary.
w Push [SCOPE] (F-1) to select the scope screen.
e Push [CENT/FIX] (F-5) to select the center mode.
•“
HOLD
CENT/FIX
F-4
F-5
” is displayed when center mode is selected.
r Push [SPAN] (F-1) several times to select the
scope span.
• ±2.5, ±5.0, ±10, ±25, ±50, ±100 and ±250 kHz are
available.
• Push and hold [SPAN] (F-1) for 1 sec. to return to ±2.5
kHz span.
• Sweep speed is selectable for each span independently in scope set mode. (pgs. ??, ??)
F-1
SCOPE
SPAN
F-2
F-3
ATT
MARKER
EXIT/SET
t Push [ATT] (F-2) several times to activate an
attenuator or turn the attenuator OFF.
• 10, 20 and 30 dB attenuators are available.
• Push and hold [ATT] (F-2) for 1 sec. to turn OFF the
attenuator.
y Push [MARKER] (F-3) to turn the marker for transmit frequency ON or OFF.
• “ ” displays the marker at the transmit frequency.
• “ ” displays the marker at the sub readout frequency.
• “<<” or “>>” appears when the marker is out of range.
• The spectrum scope shows the transmit signal while
transmitting. This can be deactivated in scope set
mode. (p. ??)
• The spectrum scope shows the peak level hold function. Peak levels are displayed in the background of the
current spectrum in a different color until the receive
frequency changes. This can be deactivated and the
waveform color can be set in scope set mode. (p. ??)
• Scope spurious signal example
Spurious signals may be received on the spectrum
scope screen regardless of the transceiver’s state
(TX or RX). They are generated in the scope circuit.
This does not indicate a transceiver malfunction.
u Push [HOLD] (F-4) to freeze the current spectrum
display.
•“
” appears while the function is in use.
• The peak hold function can be deactivated in scope set
mode. (p. ??)
i Push [EXIT/SET] to exit the scope screen.
NOTE: If a strong signal is received, a ghost signal
may also appear. Push [ATT] (F-2) several times to
activate the spectrum scope attenuator in this case.
Spurious signals may be displayed. They are generated in the internal scope circuit and do not indicate a transceiver malfunction.
65
Scope spurious example
RECEIVE AND TRANSMIT
D Fixed mode
Displays signals within the specified frequency range.
Conditions on the selected frequency band can be
observed at a glance when using this mode.
q Push [EXIT/SET] several times to close a multifunction screen, if necessary.
w Push [SCOPE] (F-1) to select the scope screen.
e Push [CENT/FIX] (F-5) to select the fixed mode.
•“
HOLD
CENT/FIX
F-4
F-5
” is displayed when fixed mode is selected.
r Push [ATT] (F-2) several times to activate an
attenuator or turn the attenuator OFF.
• 10, 20 and 30 dB attenuators are available.
• Push and hold [ATT] (F-2) for 1 sec. to turn OFF the
attenuator.
t Push [MARKER] (F-3) several times to select the
marker for transmit frequency or turn the marker
OFF.
• “ ” displays the marker at the transmit frequency.
• “ ” displays the marker at the sub readout frequency.
•“
” displays the marker at the main readout frequency. (always displayed)
• “<<” or “>>” appears when the marker is out of range.
• The spectrum scope shows the transmit signal while
transmitting. This can be deactivated in scope set
mode. (p. ??)
• The spectrum scope shows the peak level hold function. Peak levels are displayed in the background of the
current spectrum in a different color until the receive
frequency changes. This can be deactivated and the
waveform color can be set in scope set mode. (p. ??)
y Push [HOLD] (F-4) to freeze the current spectrum
waveform.
•“
” appears while the function is in use.
• The peak hold function can be deactivated in scope set
mode.
u Push [EXIT/SET] to exit the scope screen.
NOTE: If a strong signal is received, a ghost signal
may appear. Push [ATT] (F-2) several times to
activate the spectrum scope attenuator in this
case.
The scope bandwidth can be specified for each frequency band independently in scope set mode.
(pgs. ?? to ??)
F-1
SCOPE
SPAN
F-2
F-3
ATT
MARKER
EXIT/SET
10
11
12
13
14
15
16
17
18
19
20
21
66
4
RECEIVE AND TRANSMIT
D Mini scope screen indication
The mini scope screen can be displayed with another
screen display, such as set mode menu, decode
screen, memory list screen, etc. simultaneously.
q Set the scope mode (center or fixed), marker,
attenuator, span, etc. in advance. (pgs. ??, ??)
w Push and hold [MAIN/SUB M.SCOPE] for 1 sec. to
select the mini scope indication.
• The S/RF meter type during mini scope indication can
be selected in display set mode (Meter Type (Wide
Screen) item). (p. ??)
MAIN
/SUB
M.SCOPE
D Scope set mode
This set mode is used to set the waveform color,
sweeping speed, scope range for fixed mode, etc.
q During spectrum scope display ON, push
[SET] (F-6) to select scope set mode screen.
SET
F-6
• Push [WIDE] (F-6) to toggle the screen size between
normal and wide.
w Push [Y] (F-1) or [Z] (F-2) to select the desired
set item.
e Set the desired condition using the main dial.
• Push and hold [DEF] (F-4) for 1 sec. to select the
default condition or value.
• Push [Ω ≈] (F-3) to select the set contents for some
items.
r Push [EXIT/SET] to exit from set mode.
67
F-1
F-2
F-3
F-4
DEF
EXIT/SET
[DIAL]
RECEIVE AND TRANSMIT
D Scope set mode (continued)
Scope during Tx (CENTER Type)
Turn display of the transmit signal ON and OFF.
Max Hold
ON
NOTE: Transmit signal display is available for the
center mode only.
ON
Turn the peak level hold function ON and OFF.
CENTER Type Display
Filter Center
Select the center frequency of the spectrum scope
indication (center mode only).
• Filter Center : Shows the selected filter’s center
frequency at the center.
• Carrier Point Center
: Shows the selected operating mode
carrier point frequency at the center.
• Carrier Point Center (Abs. Freq.)
: In addition to the carrier point center
setting above, the actual frequency
is displayed for the bottom of the
scope.
Waveform Color (Current)
Set the waveform color for the currently received
signals.
217
241
247
• The color is set in RGB format.
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and rotate the ratio from 0 to 255 range.
• The set color is indicated in the box beside the
RGB scale.
10
Waveform Color (Max Hold)
Set the waveform color for the received signals maximum level.
Sweep Speed
(± 2.5k)
Select the sweep speed for the ±2.5 kHz span selection from SLOW, MID and FAST.
(±
5k)
Select the sweep speed for the ±5 kHz span selection from SLOW, MID and FAST.
(± 10k)
Select the sweep speed for the ±10 kHz span selection from SLOW, MID and FAST.
58
110
147
• The color is set in RGB format.
• Push [Ω ≈] (F-3) to select R (Red), G (Green) and
B (Blue), and rotate the ratio from 0 to 255 range.
• The set color is indicated in the box beside the
RGB scale.
MID
NOTE: Signals may be displayed incorrectly with
“FAST” setting.
11
12
13
14
15
16
MID
17
NOTE: Signals may be displayed incorrectly with
“FAST” setting.
18
FAST
19
20
21
68
4
RECEIVE AND TRANSMIT
D Scope set mode (continued)
(± 25k)
FAST
Select the sweep speed for the ±25 kHz span selection from SLOW, MID and FAST.
(± 50k)
FAST
Select the sweep speed for the ±50 kHz span selection from SLOW, MID and FAST.
(± 100k)
FAST
Select the sweep speed for the ±100 kHz span
selection from SLOW, MID and FAST.
(± 250k)
FAST
Select the sweep speed for the ±250 kHz span
selection from SLOW, MID and FAST.
Fixed Edges
( 0.03 −
1.60)
Set the scope edge frequencies for fixed mode for
bands below 1.6 MHz.
0.750 −
1.250 MHz
• Set the frequencies within 0.030 to 1.600 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
( 1.60 −
2.00)
Set the scope edge frequencies for fixed mode
scope when the 1.6 to 2 MHz band is selected.
( 2.00 −
6.00)
Set the scope edge frequencies for fixed mode
scope when the 2 to 6 MHz band is selected.
1.800 −
2.000 MHz
• Set the frequencies within 1.600 to 2.000 MHz
range in 1 kHz steps.
3.500 −
4.000 MHz
• Set the frequencies within 2.000 to 6.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
( 6.00 −
8.00)
Set the scope edge frequencies for fixed mode
scope when the 6 to 8 MHz band is selected.
7.000 −
7.300 MHz
• Set the frequencies within 6.000 to 8.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
69
RECEIVE AND TRANSMIT
D Scope set mode (continued)
( 8.00 − 11.00)
Set the scope edge frequencies for fixed mode
scope when the 8 to 11 MHz band is selected.
10.100 − 10.150 MHz
• Set the frequencies within 8.000 to 11.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
(11.00 − 15.00)
Set the scope edge frequencies for fixed mode
scope when the 11 to 15 MHz band is selected.
(15.00 − 20.00)
Set the scope edge frequencies for fixed mode
scope when the 15 to 20 MHz band is selected.
(20.00 − 22.00)
Set the scope edge frequencies for fixed mode
scope when the 20 to 22 MHz band is selected.
(22.00 − 26.00)
Set the scope edge frequencies for fixed mode
scope when the 22 to 26 MHz band is selected.
14.000 − 14.350 MHz
• Set the frequencies within 11.000 to 15.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
18.068 − 18.168 MHz
• Set the frequencies within 15.000 to 20.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
21.000 − 21.450 MHz
• Set the frequencies within 20.000 to 22.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
10
24.890 − 24.990 MHz
12
• Set the frequencies within 22.000 to 26.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
11
13
14
15
16
17
18
19
20
21
70
4
RECEIVE AND TRANSMIT
D Scope set mode (continued)
(26.00 − 30.00)
Set the scope edge frequencies for fixed mode
scope when the 26 to 30 MHz band is selected.
28.000 − 28.500 MHz
• Set the frequencies within 26.000 to 30.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
(30.00 − 45.00)
Set the scope edge frequencies for fixed mode
scope when the 30 to 45 MHz band is selected.
30.000 − 30.500 MHz
• Set the frequencies within 30.000 to 45.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
(45.00 − 60.00)
Set the scope edge frequencies for fixed mode
scope when the 45 to 60 MHz band is selected.
50.000 − 50.500 MHz
• Set the frequencies within 45.000 to 60.000 MHz
range in 1 kHz steps.
As edge frequencies are set, the other edge frequency will be automatically set for a display band
width of 5 kHz to a maximum of 500 kHz.
71
RECEIVE AND TRANSMIT
N Preampliﬁer
The preamp amplifies received signals in the receiver
front end, to improve the S/N ratio and sensitivity. Set
this to preamp 1 or preamp 2 when receiving weak
signals.
± Push [P.AMP] (MF3) several times to set the preamp OFF, preamp 1 ON or preamp 2 ON.
± Push and hold [P.AMP] (MF3) for 1 sec. to turn the
preamp function OFF.
P.AMP
For all HF bands
High-gain preamp for 24 MHz band
and above
 About the “P.AMP2”
The “P.AMP 2” is a high gain receive amplifier. When
the “P.AMP 2” is used in the presence of strong electromagnetic fields, distortion sometimes results. In
such cases, use the transceiver with the “P.AMP 1” or
“P.AMP OFF” setting.
The “P.AMP 2” is most effective when:
• Used on bands above 24 MHz and when signals are
weak.
• Receive sensitivity is insufficient when using lowgain antennas, or while using a narrow band
antenna (such as small loop, a Beverage antenna
or a short Yagi antenna).
10
11
N Attenuator
12
The attenuator prevents a desired signal from distortion when very strong signals are near the desired
frequency or when very strong electromagnetic fields,
such as from broadcast stations near your location.
± Push [ATT] (MF4) several times to set the attenuator 6 dB, 12 dB, 18 dB or attenuator OFF.
± Push and hold [ATT] (MF4) for 1 sec. to turn the
attenuator function OFF.
13
14
ATT
15
16
6 dB attenuation
17
12 dB attenuation
18
18 dB attenuation
19
20
21
72
4
RECEIVE AND TRANSMIT
N RIT function
The RIT (Receive Increment Tuning) function compensates for off-frequency operation of the received
station.
The function shifts the receive frequency up to
±9.99 kHz in 10 Hz steps without moving the transmit frequency.
q Push [RIT] to turn the RIT function ON and OFF.
RIT
CLEAR
•“
” and the shifting frequency appear when the
function is ON.
w Rotate the [RIT/∂TX] control.
• Push and hold [CLEAR] for 1 sec. to reset the RIT frequency.
• Push [CLEAR] momentarily to reset the RIT frequency
when the quick RIT/∂TX clear function is ON. (p. ??)
• Push and hold [RIT] for 1 sec. to add the shift frequency to the operating frequency.
[RIT/∂TX]
RIT shifting frequency
D RIT monitor function
When the RIT function is ON, pushing and holding
[XFC] allows you to monitor the operating frequency
directly (RIT is temporarily cancelled).
 For your convenience— Calculate function
The shift frequency of the RIT function can be added/
subtracted to the displayed frequency.
± While displaying the RIT shift frequency, push and
hold [RIT] for 1 sec.
73
XFC
RECEIVE AND TRANSMIT
N AGC function
The AGC (auto gain control) controls receiver gain to
produce a constant audio output level even when the
received signal strength varies greatly.
The transceiver has 3 preset AGC characteristics
(time constant: fast, mid, slow) for non-FM mode.
The FM mode AGC time constant is fixed as
‘FAST’ (0.1 sec.) and AGC time constant cannot
be changed.
[AGC]
D Selecting the preset value
q Select any non-FM mode.
w Push [AGC] (MF5) several times to select AGC
fast, AGC medium (MID) or AGC slow.
F-4
EXIT/SET
[DIAL]
DEF
D Setting the AGC time constant preset value
q Select any non-FM mode.
w Push and hold [AGC] (MF5) for 1 sec. to enter
AGC set mode.
e Push [AGC] (MF5) several times to select FAST
time constant.
r Rotate the main dial to set the desired time constant for ‘AGC FAST.’
• AGC time constant can be set between 0.1 to 8.0 sec.
(depends on mode) or turned OFF.
• Push and hold [DEF] (F-4) for 1 sec. to select a default
value.
t Push [AGC] (MF5) to select medium time constant.
y Rotate the main dial to set the desired time constant for ‘AGC MID.’
10
11
• Selectable AGC time constant
Mode
• AGC time constant can be set between 0.1 to 8.0 sec.
(depends on mode) or turned OFF.
• Push and hold [DEF] (F-4) for 1 sec. to select a default
value.
SSB
u Push [AGC] (MF5) to select slow time constant.
i Rotate the main dial to set the desired time constant for ‘AGC SLOW.’
CW
• AGC time constant can be set between 0.1 to 8.0 sec.
(depends on mode) or turned OFF.
• Push and hold [DEF] (F-4) for 1 sec. to select a default
value.
o Select another non-FM mode. Repeat steps e to
i if desired.
!0 Push [EXIT/SET] to exit the AGC set mode screen.
RTTY
PSK
AM
FM
Default
0.3 (FAST)
2.0 (MID)
6.0 (SLOW)
0.1 (FAST)
0.5 (MID)
1.2 (SLOW)
0.1 (FAST)
0.5 (MID)
1.2 (SLOW)
3.0 (FAST)
5.0 (MID)
7.0 (SLOW)
0.1 (FAST)
(unit: sec.)
Selectable AGC time constant
0.1, 0.2, 0.3, 0.5, 0.8, 1.2, 1.6, 2.0,
2.5, 3.0, 4.0, 5.0, 6.0
0.1, 0.2, 0.3, 0.5, 0.8, 1.2, 1.6, 2.0,
2.5, 3.0, 4.0, 5.0, 6.0
0.1, 0.2, 0.3, 0.5, 0.8, 1.2, 1.6, 2.0,
2.5, 3.0, 4.0, 5.0, 6.0
12
13
14
15
16
17
0.3, 0.5, 0.8, 1.2, 1.6, 2.0, 2.5, 3.0,
4.0, 5.0, 6.0, 7.0, 8.0
18
Fixed
19
20
21
74
4
RECEIVE AND TRANSMIT
N Twin PBT operation
 SSB/CW/RTTY/PSK/AM
PBT (Passband Tuning) electronically narrows the IF
passband width by shifting the IF frequency slightly
outside of the IF filter passband to reject interference.
The IC-7600 uses DSP for the PBT function. Moving
both [TWIN-PBT] controls to the same position shifts
the IF both above and below the received frequency.
PBT-CLR
[TWIN-PBT]
± The LCD shows the passband width and shift frequency graphically.
• The indicator on the [PBT-CLR] switch lights when
PBT is in use.
± Push and hold [FILTER] for 1 sec. to enter the filter
set screen. Current passband width and shift frequency is displayed in the filter set screen.
± To set the [TWIN-PBT] controls to the center positions, push and hold [PBT-CLR] for 1 sec.
FILTER
Shows filter width, shifting value and condition
The variable range depends on the passband width
and mode. The edge of the variable range is half
of the passband width, and PBT is adjustable in 25
(SSB/CW/RTTY/PSK modes) or 100 Hz (AM mode)
steps.
• The [TWIN-PBT] controls should normally be set to
the center positions (PBT setting is cleared) when
there is no interference.
• When PBT is used, the audio tone may be changed.
• Not available for FM mode.
• While rotating the [TWIN-PBT] controls, noise may
occur. This comes from the DSP unit and does not
indicate an equipment malfunction.
• Filter set screen
• PBT operation example
Both controls at
center position
Cutting the lower
passband edge
PBT1
Cutting both lower and
higher passband edges
PBT1
PBT2
PBT1
PBT2
PBT2
Passband
IF center frequency
75
Interference
Desired signal
Passband
Interference Desired signal
Interference
RECEIVE AND TRANSMIT
N IF ﬁlter selection
The transceiver has 3 passband width IF filters for
each mode.
For SSB, CW and PSK modes, the passband width
can be set within 50 to 3600 Hz in 50 or 100 Hz
steps. A total of 41 passband widths are available.
For RTTY mode, the passband width can be set
within 50 to 2700 Hz in 50 or 100 Hz steps. A total of
32 passband widths are available.
For AM mode, the passband width can be set within
200 Hz to 10 kHz in 200 Hz steps. A total of 50 passband widths are available.
For FM mode, the passband width is fixed and 3
passband widths are available.
The filter selection is automatically memorized in
each mode.
The PBT shift frequencies are automatically memorized in each filter.
D IF ﬁlter selection
DEF
F-4
q Select the desired mode.
w Push [FILTER] several times to select the IF filter
1, 2 or 3.
• The selected passband width and filter number is displayed in the LCD.
D Filter passband width setting (except FM
mode)
q Push and hold [FILTER] for 1 sec. to enter filter set
screen.
w Select any mode except FM.
• Passband widths for FM modes are fixed and cannot
be set.
F-1
FILTER
EXIT/SET
Main dial
BW
Selected
IF filter
11
Passband
width
e Push [FILTER] several times to select the desired
IF filter.
r Rotate the main dial after pushing [BW] (F-1) to set
the desired passband width. Then push [BW] (F-1).
• In SSB, CW and PSK modes, the passband width can
be set within the following range.
50 to 500 Hz
50 Hz steps
600 to 3600 Hz
100 Hz steps
• In RTTY mode, the passband width can be set within
the following range.
50 to 500 Hz
50 Hz steps
600 to 2700 Hz
100 Hz steps
• In AM mode, the passband width can be set within the
following range.
200 Hz to 10 kHz 200 Hz steps
• Push and hold [DEF] (F-4) for 1 sec. to select a default
value.
t Repeat steps w to r if desired for other modes.
y Push [EXIT/SET] to exit filter set screen.
10
12
13
14
15
16
17
18
The PBT shift frequencies are cleared when the
passband width is changed.
This filter set screen graphically displays the
PBT shift frequencies and CW pitch operations.
19
20
21
76
4
RECEIVE AND TRANSMIT
D Rooﬁng ﬁlter selection
DEF
The IC-7600 has 3, 6 and 15 kHz roofing filters at the
1st IF frequency. The roofing filter provides interference reduction from nearby strong signals.
ROOFING
F-4
F-5
q Push and hold [FILTER] for 1 sec. to enter filter set
screen.
w Select any mode except FM.
e Push [ROOFING] (F-5] to select the desired filter
width from 15 kHz, 6 kHz and 3 kHz.
• Push and hold [DEF] (F-4) for 1 sec. to select a default
value.
r Push [EXIT/SET] to exit filter set screen.
FILTER
EXIT/SET
• Filter set screen
• Default roofing filter
Mode
SSB
FIL1
15
FIL2
15
(unit: kHz)
FIL3
RTTY
Mode
FIL1
15
FIL2
FIL3
SSB-D
PSK
CW
AM
15
15
15
D DSP ﬁlter shape
The type of DSP filter shape for each SSB, SSB data
and CW can be selected independently from soft and
sharp.
q Push and hold [FILTER] for 1 sec. to enter filter set
screen.
w Select SSB, SSB data or CW mode.
e Push [SHAPE] (F-6) to select the desired filter
shape from soft and sharp.
r Push [EXIT/SET] to exit filter set screen.
The filter shape can be set for each band (HF and
50 MHz bands), mode, as well as the passband width
setting (CW only) independently from your default
setting in filter shape set mode.
D Filter shape set mode
The type of DSP filter shape for SSB, SSB data and
CW can be selected independently from soft and
sharp.
q Push and hold [FILTER] for 1 sec. to enter filter set
screen.
w Push and hold [SHAPE] (F-6) for 1 sec. to enter filter shape set mode.
w Select the desired item using [Y] (F-1) or [Z] (F-2).
e Rotate the main dial to select the filter shape from
soft and sharp.
• Push and hold [DEF] (F-4) for 1 sec. to select a default
value.
t Push [EXIT/SET] to exit filter shape set mode.
77
F-1
F-2
DEF
SHAPE
F-4
F-6
FILTER
• Filter shape set mode
EXIT/SET
Main dial
RECEIVE AND TRANSMIT
D Filter shape set mode (continued)
HF
SSB
(600Hz – )
Select the filter shape for SSB mode in HF bands.
SSB-D (600Hz – )
Select the filter shape for SSB data mode in HF
bands.
CW
( – 500Hz)
Select the filter shape for CW mode in HF bands.
SHARP
The set filter shape is automatically used only
when the IF filter is set to 600 Hz or wider.
SHARP
The set filter shape is automatically used only
when the IF filter is set to 600 Hz or wider.
SHARP
The set filter shape is automatically used only
when the IF filter is set to 500 Hz or narrower.
CW
(600Hz – )
Select the filter shape for CW mode in HF bands.
50M
SSB
(600Hz – )
Select the filter shape for SSB mode in 50 MHz
band.
SHARP
The set filter shape is automatically used only
when the IF filter is set to 600 Hz or wider.
SOFT
The set filter shape is automatically used only
when the IF filter is set to 600 Hz or wider.
SSB-D (600Hz – )
Select the filter shape for SSB data mode in 50 MHz
band.
CW
( – 500Hz)
Select the filter shape for CW mode in 50 MHz
band.
CW
(600Hz – )
Select the filter shape for CW mode in 50 MHz
band.
SHARP
The set filter shape is automatically used only
when the IF filter is set to 600 Hz or wider.
SHARP
The set filter shape is automatically used only
when the IF filter is set to 500 Hz or narrower.
10
11
12
13
SHARP
14
The set filter shape is automatically used only
when the IF filter is set to 600 Hz or wider.
15
16
17
18
19
20
21
78
4
RECEIVE AND TRANSMIT
N Dualwatch operation
Dualwatch monitors 2 frequencies simultaneously.
During dualwatch, both frequencies should be on the
same band, because the bandpass filter in the RF circuit is selected for the main readout frequency.
q Set a desired frequency into the main band.
w Push and hold [DUALWATCH] for 1 sec.
DUAL
WATCH
•“
” appears.
• Equalized receive frequency appears on the sub band
frequency readout. This quick dualwatch function can
be turned OFF in set mode. (p. ??)
• Pushing [DUALWATCH] momentarily activates the
dualwatch with the previously operated frequency.
e Rotate the main dial to set another desired frequency.
r Push [MAIN/SUB M.SCODE] to enables the sub
band access when changing the frequency band,
operating mode, etc. in sub band.
• Push [MAIN/SUB M.SCODE] again for the main band
access.
t Adjust the [BAL] control to set a suitable signal
strength balance between the main and sub readout frequencies.
• S-meter shows the combined signal strength.
y To transmit on the sub readout frequency, push
[CHANGE] or [SPLIT].
NOTE:
• A beat note may be heard depending on the frequency combination.
• The RIT function can be used for the main readout only.
• The ∂TX function can be used for the transmit
readout (main readout when the split function
OFF; sub readout when the split function ON).
79
[BAL] control
SPLIT
MAIN
/SUB
M.SCOPE
CHANGE
Appears
RECEIVE AND TRANSMIT
• Scanning during dualwatch
Scanning operates only for the main readout. To
operate the scan during dualwatch, scan on the main
readout and use the sub readout for your QSO using
both dualwatch and split frequency operation.
q Program the desired programmed scan edges in
the same amateur band. See p. ?? for programming.
DUAL
WATCH
SPLIT
• If you plan to operate a ∂F scan, programming the
scan edges may not be necessary.
w Push [SPLIT] to turn the split frequency function
ON.
•“
” appears.
e Select VFO mode for the main readout.
r Set the desired operating frequency for the main
readout.
t Push and hold [DUALWATCH] for 1 sec.
•“
” appears.
• The main and sub readout frequencies are equalized
and the dualwatch function is turned ON.
y Push [SCAN] (F-5) to select the scan screen.
F-1
F-2
F-5
PROG
∂F
SCAN
EXIT/SET
• Push [EXIT/SET] several times to close a multi-function screen, if necessary.
u Push [PROG] (F-1) or [∂F] (F-2) to start the programmed scan or ∂F scan, respectively.
• Scan activates on the main readout between the programmed scan edges or within the ∂F span.
• Transmitting on the sub readout stops the scan.
i To cancel the scan, push [EXIT/SET].
10
11
12
13
14
15
16
17
18
19
20
21
80
4
RECEIVE AND TRANSMIT
N Noise blanker
 SSB/CW/RTTY/PSK/AM
The noise blanker eliminates pulse-type noise such
as the noise from car ignitions. The noise blanker is
not available for FM mode.
± Push [NB] to turn the noise blanker function ON
and OFF.
• The indicator on this switch lights green when when the
noise blanker is ON.
When using the noise blanker, received signals
may be distorted if they are excessively strong or
for other types of noise than impulse. Turn the
noise blanker OFF, or set the noise blanker threshold level (see below) to a shallow position in this
case.
D NB set mode
NB
F-1
F-2
F-4
DEF
• NB set mode
To deal with various type of noise, attenuation level
and noise blanking duration can be set in NB set
mode.
q Push and hold [NB] for 1 sec. to enter NB set
mode.
w Select the desired item using [Y] (F-1) or [Z] (F-2).
e Rotate the main dial to the desired set value or
condition.
• Push and hold [DEF] (F-4) for 1 sec. to select a default
value.
r Push [EXIT/SET] to exit NB set mode.
NB Level
50%
Set the noise blanker threshold level from 0% to
100%.
NB Depth
Set the noise attenuation level from 1 to 10.
NB Width
Set the blanking duration from 1 to 100.
81
50
EXIT/SET
Main dial
RECEIVE AND TRANSMIT
N Noise reduction
The noise reduction function reduces random noise
components and enhances desired signals which are
buried in noise. The DSP performs the random noise
reduction function.
q Push [NR] to turn the noise reduction ON.
• The indicator on this switch lights green.
w Rotate the [NR] control to adjust the noise reduction level.
e Push [NR] to turn the noise reduction OFF.
• The indicator goes off.
Large rotations of the [NR] control results in audio
signal masking or distortion. Set the [NR] control
for maximum readability.
[NR]
control
NR
Noise reduction OFF
Noise reduction activated
Noise components
Desired
signal (CW)
N Dial lock function
The dial lock function prevents frequency changes
by accidental movement of the tuning dial. The lock
function electronically locks the dial.
± Push and hold [SPEECH/LOCK] for 1 sec. to toggle the dial lock function ON and OFF.
• The [LOCK] indicator lights when the dial lock
function is in use.
NOTE: When “LOCK/SPEECH” is selected in
[[SPEECH/LOCK] Switch] item in others set mode,
pushing [SPEECH/LOCK] activates the dial lock
function. (p. ??)
[LOCK] indicator
10
11
SPEECH
LOCK
12
13
14
15
16
17
18
19
20
21
82
4
RECEIVE AND TRANSMIT
N Notch function
This transceiver has auto and manual notch functions.
The auto notch function uses DSP to automatically
attenuate up to 3 beat tones, tuning signals, etc.,
even if they are moving. The manual notch can be set
to attenuate a frequency via the [NOTCH] control.
The auto notch can be used in SSB, AM and FM
mode.
The manual notch can be used in SSB, CW, RTTY,
PSK and AM modes.
NOTCH
• Auto notch indication
Appears
± Push [NOTCH] to toggle the notch function
between auto, manual and OFF in SSB and AM
modes.
± Push [NOTCH] to turn the manual notch function
ON and OFF in CW, RTTY, PSK modes.
± Push [NOTCH] to turn the auto notch function ON
and OFF in FM mode.
• The indicator on this switch lights green.
• When the manual notch function is ON, push and hold
[NOTCH] for 1 sec. to select the notch filter width for
manual notch from wide, middle and narrow.
• Set to attenuate a frequency for manual notch via the
[NOTCH] control.
•“
” appears when auto notch is in use.
•“
” appears when manual notch is in use.
While tuning the manual notch, noise may be
heard. This comes from the DSP unit and does not
indicate an equipment malfunction.
• Manual notch indication
Appears
Auto notch OFF
Auto notch ON
Desired
signal (AF)
Unwanted tone
frequency
Desired
signal (AF)
Particular frequency
is attenuated
N Autotune function
 CW/AM
The Automatic tuning function tunes the displayed frequency (max. CW: 500 Hz, AM: ±5 kHz) automatically
when an off-frequency signal is received. This function is active while in CW or AM mode is selected.
± Push [AUTOTUNE] to toggle the autotune function
ON or OFF.
•“
” blinks when autotune function is activated.
• After 30 sec. has passed, the autotune function stops
tuning automatically even it’s still off-frequency.
83
[NOTCH]
control
AUTO
TUNE
Appears

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ICOM orporated 307300 HF/50 MHz TRANSCEIVER User Manual IC 718 Instruction Manual

ICOM Incorporated HF/50 MHz TRANSCEIVER IC 718 Instruction Manual

Contents

User Manual 1

FCC ID Filing: AFJ307300

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