ICOM orporated 259000 Amateur HF Scanning Transceiver User Manual IC 7800 Eng

Download:
Mirror Download [FCC.gov]
Document ID	397408
Application ID	375+sTlp6c5RXeYRwnSyZw==
Document Description	Users Manual Part 2
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	261.61kB (3270105 bits)
Date Submitted	2004-02-18 00:00:00
Date Available	2004-02-18 00:00:00
Creation Date	2004-02-16 16:55:02
Producing Software	Acrobat Distiller 6.0 (Windows)
Document Lastmod	2004-02-16 16:55:20
Document Title	IC-7800_Eng.pdf
Document Creator	PScript5.dll Version 5.2
Document Author:	danhuynh

RECEIVE AND TRANSMIT
Section
■ Operating SSB ………………………………………………………… 4-2
D Convenient functions for receive ……………………………………4-2
D Convenient functions for transmit ……………………………………4-3
D About 5 MHz band operation (USA version only) …………………4-3
■ Operating CW …………………………………………………………… 4-4
D Convenient functions for receive ……………………………………4-4
D Convenient functions for transmit ……………………………………4-5
D About CW reverse mode ……………………………………………4-5
D About CW pitch control ………………………………………………4-5
D CW side tone function ………………………………………………4-5
D APF (Audio Peak Filter) operation …………………………………4-6
D About 137 kHz band operation (Europe, UK, Italy, Spain, France
versions only) …………………………………………………………4-6
■ Electronic keyer functions ……………………………………………… 4-7
D Memory keyer screen …………………………………………………4-8
D Editing a memory keyer ………………………………………………4-9
D Contest number set mode …………………………………………4-10
D Keyer set mode ………………………………………………………4-11
■ Operating RTTY (FSK) ……………………………………………… 4-13
D Convenient functions for receive …………………………………4-14
D About RTTY reverse mode …………………………………………4-14
D Twin peak filter ………………………………………………………4-14
D Functions for the RTTY decoder indication ………………………4-15
D Setting the decoder threshold level ………………………………4-15
D RTTY memory transmission ………………………………………4-16
D Automatic transmission/reception setting …………………………4-16
D Editing RTTY memory ………………………………………………4-17
D RTTY decode set mode ……………………………………………4-18
D Data saving …………………………………………………………4-20
■ Operating PSK ………………………………………………………… 4-21
D Convenient functions for receive …………………………………4-22
D About BPSK and QPSK mode ……………………………………4-22
D Functions for the PSK decoder indication ………………………4-23
D Setting the decoder threshold level ………………………………4-23
D PSK memory transmission …………………………………………4-24
D Automatic transmission/reception setting …………………………4-24
D Editing PSK memory ………………………………………………4-25
D PSK decode set mode ………………………………………………4-26
D Data saving …………………………………………………………4-28
■ Operating AM ………………………………………………………… 4-29
D Convenient functions for receive …………………………………4-29
D Convenient functions for transmit …………………………………4-30
■ Operating FM ………………………………………………………… 4-31
D Convenient functions for receive …………………………………4-31
D Convenient functions for transmit …………………………………4-31
■ Repeater operation …………………………………………………… 4-32
D Repeater tone frequency setting …………………………………4-32
■ Tone squelch operation ……………………………………………… 4-33
■ Data mode (AFSK) operation ………………………………………… 4-34
4-1
4
RECEIVE AND TRANSMIT
■ Operating SSB
q Push a band key to select the desired band.
w Push [SSB] to select LSB or USB.
[MIC] [TX] indicator [RX] indicator Band keys
• “USB” or “LSB” appears.
• Below 10 MHz LSB is automatically selected; above
10 MHz USB is automatically selected.
e Rotate the main dial to tune a desired signal.
• The S-meter indicates received signal strength when
signal is received.
[TRANSMIT] [AF] [SSB]
r Rotate [AF] to set audio to a comfortable listening
level.
t Push [TRANSMIT] or [PTT] (microphone) to transmit.
Main dial
• The TX indicator lights red.
Appears
y Speak into the microphone at your normal voice
level.
• Adjust the microphone gain with [MIC] at this step, if
necessary.
u Push [TRANSMIT] or release [PTT] (microphone) to
return to receive.
D Convenient functions for receive
• Preamp (p. 5-9)
➥ Push [P.AMP] several times to set the preamp
OFF, preamp 1 ON or preamp 2 ON.
• Noise reduction (p. 5-18)
➥ Push [NR] switch to turn the noise reduction ON
and OFF.
• “P.AMP1” or “P.AMP2” appears when the preamp 1 or
preamp 2 is set to ON, respectively. (depending on
operating frequency band)
• Rotate [NR] control to adjust the noise reduction
level.
• Noise reduction indicator (above [NR] switch) lights
when the noise reduction is set to ON.
• Attenuator (p. 5-9)
➥ Push [ATT] several times to set the attenuator in
6 dB steps.
• Auto notch filter (p. 5-19)
➥ Push [NOTCH] switch to turn the auto or manual
notch function ON and OFF.
• Pushing [P.AMP] for 1 sec. to set the attenuator in
3 dB steps.
• “ATT” and attenuation level appear when the attenuator is set to ON.
• Rotate [NOTCH] control to set the attenuating frequency for manual notch operation.
• Notch indicator (above [NOTCH] switch) lights when
either the auto or manual notch is set to ON.
• Noise blanker (p. 5-17)
➥ Push [NB] switch to turn the noise blanker ON
and OFF, and then rotate [NB] control to adjust
the threshold level.
• AGC (auto gain control) (p. 5-11)
➥ Push [AGC] switch several times to select
AGC FAST, AGC MID or AGC SLOW.
➥ Push [AGC VR] to turn the AGC time constant
manual setting ON and OFF.
• Noise blanker indicator (above [NB] switch) lights
when the noise blanker is set to ON.
• Push [NB] for 1 sec. to enter noise blanker set mode.
• Rotate [AGC] control to adjust the time constant.
• Twin PBT (passband tuning) (p. 5-12)
➥ Rotate [TWIN PBT] controls (inner/outer).
• VSC (voice squelch control) (p. 9-3)
➥ Push [VSC] to turn the VSC function ON and
OFF.
• Push [PBT CLEAR] to clear the settings.
• The VSC indicator appears when the voice squelch
function is set to ON.
• Audio tone control (p. 12-4)
➥ Push [F-7•SET] then [F-1•LEVEL] to enter level
set mode. Select an item with [F-1•Y]/[F-2•Z]
then rotate the main dial to adjust the audio tone.
4-2
RECEIVE AND TRANSMIT
D Convenient functions for transmit
• Speech compressor (p. 6-5)
➥ Push [COMP] to turn the speech compressor ON
and OFF.
• Transmit quality monitor (p. 6-4)
➥ Push [MONI] to turn the monitor function ON and
OFF.
• Pushing [COMP] for 1 sec. to select the compression
bandwidth from wide, middle and narrow.
• Rotate [MONI GAIN] to adjust the monitor gain.
• Monitor indicator (above [MONI] switch) lights when
the monitor function is set to ON.
• VOX (voice operated transmit) (p. 6-2)
➥ Push [VOX/BK-IN] to turn the VOX function ON
and OFF.
• Audio tone control (p. 12-4)
➥ Push [F-7•SET] then [F-1•LEVEL] to enter level
set mode. Select an item with [F-1•Y]/[F-2•Z]
then rotate the main dial to adjust the audio tone.
• “VOX” appears when the VOX function is set to ON.
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
IC-7800 Tuning
Frequency*
FCC Channel
Center Frequency*
5.33050 MHz
5.34650 MHz
5.36650 MHz
5.37150 MHz
5.40350 MHz
5.33200 MHz
5.34800 MHz
5.36800 MHz
5.37300 MHz
5.40500 MHz
It is the operator’s responsibility to set all controls so
that the transmission in this band meets the stringent
conditions under which we may use these frequencies.
NOTE: We recommend that you store these frequencies, mode and filter settings into the memory
channel for easy recall.
*The channel center frequencies that are specified
by the FCC, show the center frequency of their
passband. However, the IC-7800 displays carrier
point frequency, so set 1.5 kHz below from FCC
channel center frequency.
To assist you in operating the 5 MHz band correctly
within the rules specified by the FCC, transmission
is impossible on any 5 MHz band frequency other
than the 5 frequencies indicated in the table above.
4-3
4
RECEIVE AND TRANSMIT
■ Operating CW
[TX] indicator
[KEY SPEED]
[RX] indicator
q Push a band key to select the desired band.
w Push [CW] to select CW.
Band keys
• After CW mode is selected, push [CW] to toggle between CW and CW-R modes.
• “CW” or “CW-R” appears.
e Rotate the main dial to simultaneously tune a desired signal and its side tone.
• The S-meter indicates received signal strength when
signal is received.
[TRANSMIT] [AF]
[CW]
r Rotate [AF] to set audio to a comfortable listening
level.
t Push [TRANSMIT] to transmit.
Main dial
• [TX] indicator lights red.
Appears
y Use the electric keyer or paddle to key your CW signals.
• The power meter indicates transmitted CW output
power.
u Adjust CW speed with [KEY SPEED].
• Adjustable within 6–60 WPM.
i Push [TRANSMIT] to return to receive.
D Convenient functions for receive
• Preamp (p. 5-9)
➥ Push [P.AMP] several times to set the preamp
OFF, preamp 1 ON or preamp 2 ON.
• Twin PBT (passband tuning) (p. 5-12)
➥ Rotate [TWIN PBT] controls (inner/outer).
• Push [PBT CLEAR] to clear the settings.
• “P.AMP1” or “P.AMP2” appears when the preamp 1 or
preamp 2 is set to ON, respectively. (depending on
operating frequency band)
• Auto notch filter (p. 5-19)
➥ Push [NOTCH] switch to turn the manual notch
function ON and OFF.
• Attenuator (p. 5-9)
➥ Push [ATT] several times to set the attenuator in
6 dB steps.
• Rotate [NOTCH] control to set the attenuating frequency.
• Notch indicator (above [NOTCH] switch) lights when
either the manual notch is set to ON.
• Pushing [P.AMP] for 1 sec. to set the attenuator in
3 dB steps.
• “ATT” and attenuation level appear when the attenuator is set to ON.
• AGC (auto gain control) (p. 5-11)
➥ Push [AGC] switch several times to select
AGC FAST, AGC MID or AGC SLOW.
➥ Push [AGC VR] to turn the AGC time constant
manual setting ON and OFF.
• Noise blanker (p. 5-14)
➥ Push [NB] switch to turn the noise blanker ON
and OFF, and then rotate [NB] control to adjust
the threshold level.
• Rotate [AGC] control to adjust the time constant.
• 1⁄4 function (p. 3-6)
➥ Push [1/4] to turn the 1⁄4 function ON and OFF.
• Noise blanker indicator (above [NB] switch) lights
when the noise blanker is set to ON.
• Push [NB] for 1 sec. to enter noise blanker set mode.
• Auto tuning function (p. 1-9)
➥ Push [AUTO TUNE] to turn the auto tuning function ON and OFF.
• Noise reduction (p. 5-18)
➥ Push [NR] switch to turn the noise reduction ON
and OFF.
• The transceiver automatically tuned into the desired
signal within ±500 kHz range.
IMPORTANT!
When receiving a weak signal, or receiving a signal
with interference, the automatic tuning function may
not be tuned, or tuned into an undesired signal.
• Rotate [NR] control to adjust the noise reduction
level.
• Noise reduction indicator (above [NR] switch) lights
when the noise reduction is set to ON.
4-4
RECEIVE AND TRANSMIT
D Convenient functions for transmit
• Break-in function (p. 6-3)
➥ Push [VOX/BK-IN] several times to select the
break-in OFF, semi break-in and full break-in.
• “BK IN” or “F-BK IN” appears when the semi break-in
or full break-in function is set to ON, respectively.
D About CW reverse mode
CW-R (CW Reverse) mode receives CW signals with a
reverse side CW carrier point like that of LSB and USB
modes.
Push
Use when interfering signals are near a desired signal
and you want to change the interference tone.
BFO
BFO
Interference Desired signal
Interference Desired signal
CW mode (LSB side)
CW-R mode (USB side)
➥ During CW mode, push [CW] to select CW and CWR mode.
D About CW pitch control
The received CW audio pitch and monitored CW audio
can be adjusted to suit your preference (300 to 900 Hz
in 25 Hz steps) without changing the operating frequency.
➥ Rotate [CW PITCH] to suit your preference.
• Adjustable within 300 to 900 Hz in 25 Hz steps.
[CW PITCH]
D CW side tone function
When the transceiver is in the receive condition (and
the break-in function is OFF— p. 6-3) you can listen to
the tone of your CW signal without actually transmitting.
This allows you to match your transmit signal exactly to
another station’s. This also convenient for CW practice. CW side tone level can be adjusted with [MONI
GAIN].
[MONI GAIN]
4-5
4
RECEIVE AND TRANSMIT
D APF (Audio Peak Filter) operation
[APF/TPF]
(MAIN)
The APF changes the receive frequency response by
boosting up a particular frequency to pick up a desired
CW signal.
[APF/TPF]
(SUB)
The peak frequency can be adjusted with [DIGI-SEL]
control when “APF” is selected for “DIGI-SEL VR Operation” in miscellaneous (others) set mode (p. 12-17).
q During CW mode, push [APF/TPF] to turn the audio
peak filter ON and OFF.
• “ APF ” appears in the display and [APF/TPF] indicator
above this switch lights green.
[DIGI-SEL] [DIGI-SEL]
(MAIN)
(SUB)
w Push [APF/TPF] for 1 sec. several times to select
the desired audio filter width.
• 320, 160 and 80 Hz filters are available.
e If “APF” is selected for “DIGI-SEL VR Operation,”
rotate [DIGI-SEL] control to suit your preference.
D About 137 kHz band operation (Europe, UK, Italy, Spain, France versions only)
137 kHz band, within 135.7 kHz to 137.8 kHz range,
operation in CW mode is optionally available with the
IC-7800.
The RF signal from [X-VERTER] is used for the
137 kHz band operation, and an external amplifier unit
is necessary.
See the connection diagram below for reference.
• Connection diagram for 137 kHz band operation
Power amplifier with T/R switching unit
for 137 kHz
to [X-VERTER]
PA
BPF
or
LPF
to [ACC2] pin 6*
to [RELAY] (for transmit/receive control)
*Transverter ON/OFF control signal related to the power amplifier
unit main power, if desired.
• ON: 2–13.8 V DC input (more than 10 kΩ impedance)
• OFF: Less than 2 V DC
4-6
RECEIVE AND TRANSMIT
■ Electronic keyer functions
The IC-7800 has a number of convenient functions for
the electronic keyer that can be accessed from the
memory keyer menu.
[F-1]–[F-4] [CW]
q During CW mode, push [EXIT/SET] several times
to normal screen, if necessary.
w Push [F-3•KEYER] to select memory keyer screen.
e Push [EXIT/SET] to select memory keyer menu
screen.
r Push one of the multi-function keys ([F-1] to [F-4]) to
select the desired menu. See the diagram below.
[EXIT/SET]
• Push [EXIT/SET] to return to the previous indication.
• Memory keyer screen (p. 4-8)
• Memory keyer edit screen (p. 4-9)
• Memory keyer menu screen
• Contest number set mode (p. 4-10)
• Keyer set mode screen (p. 4-11)
4-7
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 [F-3•KEYER] to
select memory keyer screen.
w Push [TRANSMIT] to set the transceiver to transmit, or set the break-in function ON (p. 6-3).
e Push one of the function keys ([F-1•M1] to [F-4•M4])
to send the contents of the memory keyer.
[TRANSMIT]
[CW]
• Pushing a function key for 1 sec. repeatedly sends the
contents; push any function key to cancel the transmission.
• The contest number counter, above [F-5•–1], is incremented each time the contents are sent.
• Push [F-5•–1] to reduce the contest number count by 1
when resending contents to unanswered calls.
[EXIT/SET] [F-1•M1]–[F-5•–1]
• Memory keyer screen
For your information
When an external keypad is connected to [EXT
KEYPAD] connector on the rear panel, the programmed contents, M1—M4, can be transmitted
without selecting the memory keyer screen.
See p. 2-6 for details.
r Push [EXIT/SET] twice to return to normal screen.
4-8
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 numbers, etc.
Total capacity of the memory keyer is 70 characters
per memory channel.
• Programming contents
q During CW mode operation, push [F-3•KEYER] to
select memory keyer screen.
w Push [EXIT•SET] to select memory keyer menu,
then push [F-2•EDIT] to select keyer edit screen.
[123]/[Symbol] [ABC] [F-3•DEL] [F-4•SPACE]
• Memory keyer contents of the Channel 1 (M1) is selected.
e Push [F-7•M1..M4] several times to select the desired memory keyer channel to be edited.
• Push [F5] to manually increment the contest number.
[F-1•Ω] [F-2•≈]
r Push [ABC] or [123] or [Symbol] to select the character group, then rotate the main dial to select the
character, or push the keypad for number input.
[EXIT/SET] [F-7•M1..M4]
• Memory keyer edit screen
• [Symbol] appears when [123] is pushed when “123”
character group is selected.
• Selectable characters (with the main dial);
Key selection
Editable characters
A to Z (capital letters)
0 to 9 (numbers)
/ ?^.,✱
NOTE:
“^” is used to transmit a following word with no
space such as AR. Put “^” before a text string
such as ^AR, and the string “AR ” is sent with no
space.
“✱” is used to insert the CW contest number. The
contest number automatically increments by 1.
This function is only available for one memory
keyer channel at a time. Memory keyer channel
M2 used “✱” by default.
• Example— entered “QSL TU DE JA3YUA TEST”
into memory keyer channel 3
• Pre-programmed contents
CH
Contents
M1
CQ TEST CQ TEST DE ICOM ICOM TEST
M2
UR 5NN✱ BK
M3
CFM TU
M4
QRZ?
✔ For your convenience
When a PC keyboard is connected to [KEYBOARD]
connector on the rear panel, the memory keyer contents can also be edited from the keyboard.
t Push [F-1•Ω] or [F-2•≈] to move the cursor backwards or forwards, respectively.
• Pushing [F-3•DEL] deletes a character and [F-4•SPACE]
inserts a space.
y Repeat steps r and t to input the desired characters.
u Push [EXIT/SET] twice to return normal screen.
4-9
4
RECEIVE AND TRANSMIT
D Contest number set mode
This menu is used to set the contest (serial) number
and count up trigger, etc.
• Setting contents
q During CW mode operation, push [F-3•KEYER] to
select memory keyer screen.
w Push [EXIT•SET] to select memory keyer menu,
then push [F-3•001] to select contest number set
mode.
e Push [F-1•Y] or [F-2•Z] to select the desired set
item.
r Set the desired condition using the main dial.
[F-1•Y] [F-2•Z][F-4•DEF] [EXIT/SET] Main dial
• Push [F-4•DEF] for 1 sec. to select the default condition
or value.
t Push [EXIT/SET] twice to normal screen.
• Contest number set mode screen
This item sets the numbering system used for contest
(serial) numbers— normal or morse cut numbers.
• Normal
• 190➔ANO
• 190➔ANT
• 90➔ NO
• 90➔ NT
: Does not use morse cut number
(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.
This selects which of the four memory slots will have
the contest serial number exchange. The count up
trigger allows the serial number automatically incremented after each complete serial number exchange
is sent.
• M1, M2, M3 and M4 can be set. (default: M2)
This item shows the current number for the count up
trigger channel set above.
• Rotate the main dial to change the number, or push
[F-3•001CLR] for 1 sec. to reset the current number
to 001.
4-10
RECEIVE AND TRANSMIT
D Keyer set mode
This set mode is used to set the CW side tone, memory keyer repeat time, dash weight, paddle specifications, keyer type, etc.
• Setting contents
q During CW mode operation, push [F-3•KEYER] to
select memory keyer screen.
w Push [EXIT•SET] to select memory keyer menu,
then push [F-4•CW KEY] to select keyer set mode.
e Push [F-1•Y] or [F-2•Z] to select the desired set
item.
r Set the desired condition using the main dial.
• Push [F-4•DEF] for 1 sec. to select the default condition
or value.
[F-1•Y] [F-2•Z][F-4•DEF] [EXIT/SET] Main dial
t Push [EXIT/SET] twice to normal screen.
• Keyer set mode screen
When sending CW using the repeat timer, this item
sets the time between transmission.
• 1 to 60 sec. in 1 sec. steps can be selected.
(default: 2 sec.)
This item sets the dot/dash ratio.
• 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”
Weight setting:
1:1:3 (default)
DASH
DOT (fixed*)
DASH
Weight setting:
Adjusted
Adjustable range
SPACE (fixed*)
*SPACE and DOT length can be
adjusted with [KEY SPEED] only.
This item sets the envelop time period which the output power becomes the set transmit power.
• 2, 4, 6 or 8 msec. can be selected. (default: 4 msec.)
• About rise time
Key action
Tx
Rx
Set Tx power level
Tx output power
Rise time
Time
to be continued…
4-11
4
RECEIVE AND TRANSMIT
D Keyer set mode (continued)
This item sets the paddle polarity.
• Normal and reverse polarity can be selected.
This item selects the keyer type for [ELEC-KEY] connector on the front panel.
• ELEC-KEY, BUG-KEY and Straight key can be selected. (default: ELEC-KEY)
This item allows you to set the microphone [UP]/[DN]
keys to be used as a paddle.
• ON
• OFF
: [UP]/[DN] switches can be used for CW.
: [UP]/[DN] switches cannot be used for
CW.
NOTE: When “ON” is selected, the frequency and
memory channel cannot be changed using
the [UP]/[DN] switches.
4-12
RECEIVE AND TRANSMIT
■ Operating RTTY (FSK)
The Baudot RTTY encoder/decoder is built-in to the IC7800. When connecting a PC keyboard (p. 2-6), RTTY
operation can be performed without an external RTTY
terminal, TNC, etc.
When using your RTTY terminal or TNC, consult the
manual that comes with the RTTY terminal or TNC.
[TX] indicator [RX] indicator
q Push a band key to select the desired band.
w Push [RTTY/PSK] to select RTTY.
Band keys
• After RTTY mode is selected, push [RTTY/PSK] for
1 sec. to toggle between RTTY and RTTY-R modes.
• “RTTY” or “RTTY-R” appears.
e Push [F-3•DECODE] to display the decoder screen.
• The IC-7800 has a Baudot decoder.
r To tune into the desired signal, make symmetrical
wave form and ensure the waves peak points align
with the mark (2125 Hz) and shift (170 Hz) frequency lines in the FFT scope with the main dial.
[AF] [F-3•DECODE] [RTTY/PSK] Main dial
• The S-meter indicates received signal strength when
signal is received.
Appears
t Rotate [AF] to set the audio to a comfortable listening level.
y Press [F12] of the connected keyboard to transmit.
• [TX] indicator lights red.
u Type from the connected 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] to transmit the TX memory contents.
i Press [F12] of the keyboard to return to receive.
✔ For your convenience
The transmission contents can be typewritten before
being transmitted.
q Perform the steps q to r above.
w Type from the connected keyboard to enter the contents that you want to transmit.
TX buffer screen
FFT scope
RX contents screen
Water-fall
• The typewritten contents are indicated in the TX buffer
screen.
e Press [F12] of the connected keyboard to transmit
the typewritten contents.
• The color of displayed text, in the TX buffer screen, will
be changed when transmitted.
• To cancel the transmission, press [F12] twice.
r Press [F12] of the keyboard to return to receive.
4-13
4
RECEIVE AND TRANSMIT
D Convenient functions for receive
• Preamp (p. 5-9)
➥ Push [P.AMP] several times to set the preamp
OFF, preamp 1 ON or preamp 2 ON.
• Noise reduction (p. 5-18)
➥ Push [NR] switch to turn the noise reduction ON
and OFF.
• “P.AMP1” or “P.AMP2” appears when the preamp 1 or
preamp 2 is set to ON, respectively. (depending on
operating frequency band)
• Rotate [NR] control to adjust the noise reduction
level.
• Noise reduction indicator (above [NR] switch) lights
when the noise reduction is set to ON.
• Attenuator (p. 5-9)
➥ Push [ATT] several times to set the attenuator in
6 dB steps.
• Auto notch filter (p. 5-19)
➥ Push [NOTCH] switch to turn the manual notch
function ON and OFF.
• Pushing [P.AMP] for 1 sec. to set the attenuator in
3 dB steps.
• “ATT” and attenuation level appear when the attenuator is set to ON.
• Rotate [NOTCH] control to set the attenuating frequency.
• Notch indicator (above [NOTCH] switch) lights when
either the manual notch is set to ON.
• Noise blanker (p. 5-17)
➥ Push [NB] switch to turn the noise blanker ON
and OFF, and then rotate [NB] control to adjust
the threshold level.
• AGC (auto gain control) (p. 5-11)
➥ Push [AGC] switch several times to select
AGC FAST, AGC MID or AGC SLOW.
➥ Push [AGC VR] to turn the AGC time constant
manual setting ON and OFF.
• Noise blanker indicator (above [NB] switch) lights
when the noise blanker is set to ON.
• Push [NB] for 1 sec. to enter noise blanker set mode.
• Rotate [AGC] control to adjust the time constant.
• Twin PBT (passband tuning) (p. 5-12)
➥ Rotate [TWIN PBT] controls (inner/outer).
• 1⁄4 function (p. 3-6)
➥ Push [1/4] to turn the 1⁄4 function ON and OFF.
• Push [PBT CLEAR] to clear the settings.
D About RTTY reverse mode
Normal
170 Hz
2125 Hz
Space Mark
Received characters are occasionally garbled when
the receive signal is reversed between MARK and
Space. This reversal can be caused by incorrect TNC
connections, setting, commands, etc. To receive reversed RTTY signals correctly, select RTTY-R mode.
Reverse
BFO
2125 Hz
BFO
170 Hz
Space
Mark
➥ During RTTY mode, push [RTTY/PSK] for 1 sec. to
select RTTY and RTTY-R mode.
D Twin peak filter
The twin peak filter changes receive frequency response by boosting 2 particular frequencies (2125 and
2295 Hz) for better copying of desired RTTY signals.
[APF/TPF] [APF/TPF]
(MAIN)
(SUB)
➥ During RTTY mode, push [APF/TPF] to turn the twin
peak filter ON and OFF.
• “ TPF ” appears in the LCD and the [APF/TPF] indicator
above this switch lights green while the filter is in use.
NOTE: When the twin peak filter is in use, the received audio output may be increased. This is a normal transceiver performance to providing a better
decoding, not a malfunction.
4-14
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.
[F-3•CLR] [F-6•MAIN/SUB] [F-7•WIDE]
• After RTTY mode is selected, push [RTTY/PSK] for
1 sec. to toggle between RTTY and RTTY-R modes.
• “RTTY” or “RTTY-R” appears.
e Push [F-3•DECODE] to display the decoder screen.
• When tuned into an RTTY signal, decoded characters
are displayed in the RX contents screen.
r Push [F-2•HOLD] to freeze the current screen.
• “ HOLD ” appears while the function is in use.
• Push [F-2•HOLD] again to release the function.
[F-2•HOLD] [RTTY/PSK] [EXIT/SET]
t Push [F-3•CLR] for 1 sec. to clear the displayed
characters.
• “ HOLD ” indicator disappears at the same time when the
hold function is in use.
y Push [F-7•WIDE] 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. 3-11, 12-11)
u Push [F-6•MAIN/SUB] to toggle the MAIN and SUB
band for decode operation.
• Dualwatch function (p. 5-16) should be ON when SUB
band is selected for decode operation.
i Push [EXIT/SET] to close the RTTY decode screen.
• Wide screen indication
D Setting the decoder threshold level
Adjust the RTTY decoder threshold level if some characters are displayed when no signal is received.
q Call up the RTTY decoder screen as described
above.
w Push [F-5•ADJ] to select the threshold level setting
condition.
e Rotate the main dial to adjust the RTTY decoder
threshold level.
• Push [F-6•DEF] for 1 sec. to select the default setting.
r Push [F-5•ADJ] 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. 418)
4-15
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.
q During RTTY mode operation, push [F-3•DECODE]
to select RTTY decode screen.
w Push [F-4•TX MEM] to select RTTY memory
screen.
e Push [F-7•1–4/5–8] to select memory bank then
push one of the function keys ([F-1•RT1] to
[F-4•RT4] or [F-1•RT5] to [F-4•RT8]).
[F-1•RT1]–[F-4•RT4] [EXIT/SET]
[F-1•RT5]–[F-4•RT8]
• 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.
[F-7•1–4/5–8]
D Automatic transmission/reception setting
q During RTTY mode operation, push [F-3•DECODE]
to select RTTY decode screen.
w Push [F-4•TX MEM] to select RTTY memory
screen, then push [F-6•EDIT] to select RTTY memory edit screen.
• RTTY memory contents of the Channel 1 (RT1) is selected.
e Push [F-7•RT1..RT8] several times to select the desired RTTY memory.
r Push [F-6•AUTO TX] several times to select the desired condition as follow.
[F-6•AUTO TX] [EXIT/SET] [F-7•RT1..RT8]
• 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 as the
“AUTO TX/RX” setting when no keyboard is connected.
4-16
RECEIVE AND TRANSMIT
D Editing RTTY memory
The contents of the RTTY memories can be set using
the memory edit menu. The memory can memorize
and re-transmit 8 RTTY contents for often-used RTTY
sentences. Total capacity of the memory is 70 characters per memory channel.
• Programming contents
q During RTTY mode operation, push [F-3•DECODE]
to select RTTY decode screen.
w Push [F-4•TX MEM] to select RTTY memory
screen, then push [F-6•EDIT] to select RTTY memory edit screen.
[123]/[Symbol] [ABC]/[abc] [F-3•DEL] [F-4•SPACE]
• RTTY memory contents of the Channel 1 (RT1) is selected.
e Push [F-7•RT1..RT8] to several times to select the
desired RTTY memory channel to be edited.
r Push [F-5•Ω ≈] to select the edit item between
memory contents and memory name.
t Push [ABC], [abc], [123] or [Symbol] to select the
character group, then rotate the main dial to select
the character, or push the keypad for number input.
[F-1•Ω] [F-2•≈] [F-5•Ω≈] [EXIT/SET] [F-7•RT1..RT8]
• RTTY memory edit screen
• [abc] appears when [ABC] is pushed when “ABC” character group is selected, and [Symbol] appears when
[123] is pushed when “123” character group is selected.
• Selectable characters (with the main dial);
Key selection
Editable characters
A to Z (capital letters)
• Pre-programmed contents
CH
Name
Contents
RT1
MYCALLx2 ↵DE ICOM ICOM K↵
RT2
MYCALLx3 ↵DE ICOM ICOM ICOM K↵
RT3
QSLUR599 ↵QSL UR 599–599 BK↵
RT4
DE+UR599 ↵QSL DE ICOM ICOM UR 599–599
BK↵
RT5
RT6
73 GL SK
a to z (small letters)
(selectable for memory name only)
0 to 9 (numbers)
!#$%&¥?“‘`^+–✱/.,:;=
<>()[]{}|_~@
(For the memory contents setting, ! $ & ? “ ‘ – / . , : ; ( ) ↵ are
selectable.)
↵73 GL SK↵
CQ CQ CQ ↵CQ CQ CQ DE ICOM ICOM ICOM
K↵
RT7
RIG&ANT
RT8
EQUIP.
↵MY TRANSCEIVER IS IC–7800 &
ANTENNA IS A 3–ELEMENT
TRIBAND YAGI.↵
✔ For your convenience
When a PC keyboard is connected to [KEYBOARD]
connector on the rear panel, the RTTY memory
contents can also be edited from the keyboard.
↵MY RTTY EQUIPMENT IS
INTERNAL FSK UNIT &
DEMODULATOR OF THE
IC–7800.↵
y Push [F-1•Ω] or [F-2•≈] to move the cursor backwards or forwards, respectively.
• Pushing [F-3•DEL] deletes a character and [F-4•SPACE]
inserts a space.
u Repeat steps t and y to input the desired characters.
i Push [EXIT/SET] to set the contents and exit RTTY
memory edit screen.
4-17
4
RECEIVE AND TRANSMIT
D RTTY decode set mode
This set mode is used to set the decode USOS function, time stamp setting, etc.
• Setting contents
q During RTTY mode operation, push [F-3•DECODE]
to select RTTY decode screen.
w Push [F-1•] to select RTTY decode menu
2, then push [F-6•SET] to select RTTY decode set
mode.
[F-3•Ω ≈] [F-7•WIDE]
• Push [F-7•WIDE] to toggle the screen size from normal
and wide.
e Push [F-1•Y] or [F-2•Z] to select the desired set
item.
r Set the desired condition using the main dial.
[F-1•Y] [F-2•Z][F-4•DEF] [EXIT/SET] Main dial
• Push [F-4•DEF] for 1 sec. to select a default condition
or value.
• Push [F-3•Ω ≈] to select the set contents for some
items.
• RTTY decode set mode screen
t Push [EXIT/SET] to exit from set mode.
Turn the letter code decoding after receiving a “space”
(USOS; UnShift On Space function) capability ON
and OFF.
• ON : Decode as letter code.
• OFF : Decode as character code.
Selects the new line code of the internal RTTY decoder.
CR: Carriage Return, LF: Line Feed
• CR,LF,CR;LF : Makes new line with any codes.
• CR+LF
: Makes new line with CR+LF code
only.
Selects the diddle condition.
• BLANK
• LTRS
• OFF
: Transmits blank code during no code
transmission.
: Transmits letter code during no code
transmission.
: Turns the diddle function OFF.
Selects the FIGS insertion even changing from LTRS
to FIGS does not necessary when sending a numeral
or symbol character after a space.
• ON : Inserts FIGS.
• OFF : Not insert FIGS.
Selects the automatic new line code (CR+LF) transmission capability.
• ON : Transmits CR+LF code once.
• OFF : Transmits no CR+LF code.
4-18
RECEIVE AND TRANSMIT
D RTTY decode set mode (continued)
Turn the time stamp (date, transmission or reception
time) indication ON and OFF.
• ON : Indicates the time stamp.
• OFF : No time stamp indication.
Selects the clock indication for time stamp usage.
• Local : Selects the time that set in “Time (Now).”
• UTC* : Selects the time that set in “CLOCK2.”
NOTE: The time won’t be displayed when “OFF” is
selected in “RTTY Time Stamp” as above.
*The name of choice may differ according to
“CLOCK2 Name” setting (p, 11-2). “UTC” is the
default name setting of CLOCK2.
Selects the operating frequency indication for time
stamp usage.
• ON : Indicates the operating frequency.
• OFF : No operating frequency indication.
NOTE: The frequency won’t be displayed when
“OFF” is selected in “RTTY Time Stamp” as
above.
Set the text color for received characters.
• The color is set in RGB format.
• Push [F-3•Ω ≈] 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.
Set the text color for transmitted characters.
• The color is set in RGB format.
• Push [F-3•Ω ≈] 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.
Set the text color for time stamp indication.
• The color is set in RGB format.
• Push [F-3•Ω ≈] 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.
Set the text color in the TX buffer screen.
• The color is set in RGB format.
• Push [F-3•Ω ≈] 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.
4-19
4
RECEIVE AND TRANSMIT
D Data saving
The contents of the RTTY memory and received signal can be saved into the CF memory card.
q During RTTY decode screen indication, push
[F-1•] to select RTTY decode menu 2.
w Push [F-5•SAVE] to select decode file save screen.
e Change the following conditions if desired.
• File name:
z Push [F-4•EDIT] to select file name edit condition.
[F-5•OPTION] [F-6•SAVE] [F-7•WIDE]
• Push [F-1• DIR/FILE] several times to select the
file name, if necessary.
[F-1•DIR/FILE] [F-4•EDIT] [EXIT/SET]
x Push [ABC], [123] or [Symbol] to select the
character group, then rotate the main dial to
select the character.
Main dial
• Decode file save screen
• [ABC] : A to Z (capital letters); [123]: 0 to 9 (numerals); [Symbol]: ! # $ % & ‘ ` ^ + – = ( ) [ ] { } _ ~
@ can be selected.
• Push [F-1•Ω] to move the cursor left, push [F-2•≈]
to move the cursor right, [F-3•DEL] delete a character and push [F-4•SPACE] to insert a space.
c Push [EXIT/SET] to set the file name.
• File format
z Push [F-5•OPTION] to enter save option
screen.
x Rotate the main dial to select the saving format from Text and HTML.
• Decode file save screen— file name edit
• “Text” is the default setting.
• Push [F-4•DEF] for 1 sec. to select the default setting.
• Save option screen
c Push [EXIT/SET] to return to the previous indication.
• Saving location
z Push [F-1•DIR/FILE] to select tree view
screen.
x Select the desired directory or folder in the CF
memory card.
• Push [F-4•Ω ≈] to select the upper directory.
• Push [F-2•Y] or [F-3•Z] to select folder in the
same directory.
• Push [F-4•Ω ≈] for 1 sec. to select a folder in the
directory.
• Push [F-5•REN/DEL] to rename the folder.
• Push [F-5•REN/DEL] for 1 sec. to delete the
folder.
• Push [F-6•MAKE] for 1 sec. to making a new
folder. (Edit the name with the same manner as
the “• File name” above.)
c Push [F-1•DIR/FILE] twice to select the file
name.
r Push [F-6•SAVE].
• After the saving is completed, return to RTTY decode
menu 2 automatically.
✔ For your convenient!
Both of data formats, Text and HTML, are compatible
data format in a PC. The saved data can be copied to
your PC for record, etc.
4-20
RECEIVE AND TRANSMIT
■ Operating PSK
The PSK31 encoder/decoder is built-in to the IC-7800.
When connecting a PC keyboard (p. 2-6), PSK31 operation can be performed without a PSK operation software installed PC.
When using your PSK operation software, consult the
manual that comes with the software.
[TX] indicator [RX] indicator
q Push a band key to select the desired band.
w Push [RTTY/PSK] to select PSK.
Band keys
• After PSK mode is selected, push [RTTY/PSK] for 1 sec.
to toggle between PSK and PSK-R modes.
• “PSK” or “PSK-R” appears.
e Push [F-3•DECODE] to displays the decoder screen.
• The IC-7800 has a PSK31 decoder.
r Tune to the desired signal with the main dial.
• The signal is tuned when the radiated lines in the vector
tuning indicator narrow as in the example below.
• The radiated lines in the vector tuning indicator are displayed in sporadically.
• When a PSK signal is received, the water-fall indicator is
activated.
• The water-fall indicator shows the signal condition within
the passband width and a vertical line appears when a
PSK signal is received.
[AF] [F-3•DECODE] [RTTY/PSK] Main dial
Appears
t Rotate [AF] to set the audio to a comfortable listening level.
y Press [F12] of the connected keyboard to transmit.
• [TX] indicator lights red.
u Type from the connected 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] to transmit the TX memory contents.
i Press [F12] of the keyboard to return to receive.
o Push [TRANSMIT] to return to receive.
✔ For your convenience
The transmission contents can be typewritten before
being transmit.
TX buffer screen
FFT scope
RX contents screen
Water-fall
Vector tuning indicator
q Perform the steps q to r above.
w Type from the connected keyboard to enter the contents that you want to transmit.
• The typewritten contents are indicated in the TX buffer
screen.
• Vector tuning indicator indication example
Tuned BPSK signal
Tuned QPSK signal
e Press [F12] of the connected keyboard to transmit
the typewritten contents.
• The color of displayed text, in the TX buffer screen, will
be changed when transmitted.
• To cancel the transmission, press [F12] twice.
BPSK/QPSK idle signal
r Press [F12] of the keyboard to return to receive.
Unmodulated signal
4-21
4
RECEIVE AND TRANSMIT
D Convenient functions for receive
• Preamp (p. 5-9)
➥ Push [P.AMP] several times to set the preamp
OFF, preamp 1 ON or preamp 2 ON.
• Noise reduction (p. 5-18)
➥ Push [NR] switch to turn the noise reduction ON
and OFF.
• “P.AMP1” or “P.AMP2” appears when the preamp 1 or
preamp 2 is set to ON, respectively. (depending on
operating frequency band)
• Rotate [NR] control to adjust the noise reduction
level.
• Noise reduction indicator (above [NR] switch) lights
when the noise reduction is set to ON.
• Attenuator (p. 5-9)
➥ Push [ATT] several times to set the attenuator in
6 dB steps.
• AGC (auto gain control) (p. 5-11)
➥ Push [AGC] switch several times to select
AGC FAST, AGC MID or AGC SLOW.
➥ Push [AGC VR] to turn the AGC time constant
manual setting ON and OFF.
• Pushing [P.AMP] for 1 sec. to set the attenuator in
3 dB steps.
• “ATT” and attenuation level appear when the attenuator is set to ON.
• Rotate [AGC] control to adjust the time constant.
• Noise blanker (p. 5-17)
➥ Push [NB] switch to turn the noise blanker ON
and OFF, and then rotate [NB] control to adjust
the threshold level.
• Fine tuning (p. 3-7)
➥ During no kHz tuning step function OFF (no “Z”
indication), push [TS] for 1 sec.
• May not be decoded correctly with the 10 Hz step
tuning.
• Noise blanker indicator (above [NB] switch) lights
when the noise blanker is set to ON.
• Push [NB] for 1 sec. to enter noise blanker set mode.
• 1⁄4 function (p. 3-6)
➥ Push [1/4] to turn the 1⁄4 function ON and OFF.
• Twin PBT (passband tuning) (p. 5-12)
➥ Rotate [TWIN PBT] controls (inner/outer).
• Push [PBT CLEAR] to clear the settings.
D About BPSK and QPSK mode
BPSK and QPSK modes are available for the PSK31.
• BPSK (Binary Phase Shift Keying) mode is the most
often used mode.
• QPSK (Quadrature Phase Shift Keying) mode has
error correction capability to provides a better decoding than BPSK mode operation even in a worth condition. However, much accurate tuning is required
with the QPSK mode, due to the QPSK mode has
only few phase margin.
[F-1•] [F-2•B/QPSK] [F-3•DECODE]
q During PSK mode selection, push [F-3•DECODE]
to display the PSK decode screen.
w Push [F-1•] to select PSK decode menu
2.
e Push [F-2•B/QPSK] to toggle between BPSK and
QPSK mode alternately.
• PSK decode screen— BPSK mode
• PSK decode screen— QPSK mode
4-22
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.
[F-3•CLR] [F-6•MAIN/SUB] [F-7•WIDE]
• After PSK mode is selected, push [RTTY/PSK] for 1 sec.
to toggle between PSK and PSK-R modes.
• “PSK” or “PSK-R” appears.
e Push [F-3•DECODE] to display the decoder screen.
• When tuned into a PSK signal, decoded characters are
displayed in the RX contents screen.
r Push [F-2•HOLD] to freeze the current screen.
• “ HOLD ” appears while the function is in use.
• Push [F-2•HOLD] again to release the function.
[F-2•HOLD] [RTTY/PSK] [EXIT/SET]
t Push [F-3•CLR] for 1 sec. to clear the displayed
characters.
• “ HOLD ” indicator disappears at the same time when the
hold function is in use.
y Push [F-7•WIDE] to toggle the PSK decode screen
size from normal and wide.
• S/RF meter type during wide screen indication can be
selected in display set mode. (pgs. 3-11, 12-11)
u Push [F-6•MAIN/SUB] to toggle the MAIN and SUB
band for decode operation.
• Dualwatch function (p. 5-16) should be ON when SUB
band is selected for decode operation.
i Push [EXIT/SET] to close the PSK decode screen.
• Wide screen indication
D Setting the decoder threshold level
Adjust the PSK decoder threshold level if some characters are displayed when no signal is received.
q Call up the PSK decoder screen as described
above.
w Push [F-5•ADJ] to select the threshold level setting
condition.
e Rotate the main dial to adjust the PSK decoder
threshold level.
• Push [F-6•DEF] for 1 sec. to select the default setting.
r Push [F-5•ADJ] to exit from the threshold level setting condition.
4-23
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 [F-3•DECODE]
to select PSK decode screen.
w Push [F-4•TX MEM] to select PSK memory screen.
e Push [F-7•1–4/5–8] to select memory bank then
push one of the function keys ([F-1•PT1] to
[F-4•PT4] or [F-1•PT5] to [F-4•PT8]).
[F-1•PT1]–[F-4•PT4] [EXIT/SET]
[F-1•PT5]–[F-4•PT8]
• 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.
[F-7•1–4/5–8]
D Automatic transmission/reception setting
q During PSK mode operation, push [F-3•DECODE]
to select PSK decode screen.
w Push [F-4•TX MEM] to select PSK memory screen,
then push [F-6•EDIT] to select PSK memory edit
screen.
• PSK memory contents of the Channel 1 (PT1) is selected.
e Push [F-7•PT1..PT8] several times to select the desired RTTY memory.
r Push [F-6•AUTO TX] several times to select the desired condition as follow.
[F-6•AUTO TX] [EXIT/SET] [F-7•PT1..PT8]
• 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 as the
“AUTO TX/RX” setting when no keyboard is connected.
4-24
RECEIVE AND TRANSMIT
D Editing PSK memory
The contents of the PSK memories can be set using
the memory edit menu. The memory can memorize
and re-transmit 8 PSK contents for often-used PSK
sentences. Total capacity of the memory is 70 characters per memory channel.
• Programming contents
q During PSK mode operation, push [F-3•DECODE]
to select PSK decode screen.
w Push [F-4•TX MEM] to select PSK memory screen,
then push [F-6•EDIT] to select PSK memory edit
screen.
[123]/[Symbol] [ABC]/[abc] [F-3•DEL] [F-4•SPACE]
• PSK memory contents of the Channel 1 (PT1) is selected.
e Push [F-7•PT1..PT8] several times to select the desired PSK memory channel to be edited.
r Push [F-5•Ω ≈] to select the edit item between
memory contents and memory name.
t Push [ABC], [abc], [123] or [Symbol] to select the
character group, then rotate the main dial to select
the character, or push the keypad for number input.
[F-1•Ω] [F-2•≈] [F-5•Ω≈] [EXIT/SET] [F-7•PT1..PT8]
• PSK memory edit screen
• [abc] appears when [ABC] is pushed when “ABC” character group is selected, and [Symbol] appears when
[123] is pushed when “123” character group is selected.
• Selectable characters (with the main dial);
Key selection
Editable characters
A to Z (capital letters)
• Pre-programmed contents
CH
Name
Contents
PT1
MYCALLx2 ↵DE Icom Icom K↵
PT2
MYCALLx3 ↵DE Icom Icom Icom K↵
PT3
QSLUR599 ↵QSL UR 599 599 BK↵
PT4
DE+UR599 ↵QSL DE Icom Icom UR 599 599
BK↵
PT5
PT6
73 GL SK
a to z (small letters)
0 to 9 (numbers)
!#$%&¥?“‘`^+–✱/.,:;=
<>()[]{}|_~@↵
(“↵” is for the memory contents setting only.)
↵73 GL SK↵
CQ CQ CQ ↵CQ CQ CQ DE Icom Icom Icom
K↵
PT7
RIG&ANT
↵My transceiver is IC–7800 &
Antenna is a 3–element triband
yagi.↵
PT8
EQUIP.
↵My PSK equipment is internal
modulator & demodulator of the
IC–7800.↵
✔ For your convenience
When a PC keyboard is connected to [KEYBOARD]
connector on the rear panel, the PSK memory contents can also be edited from the keyboard.
y Push [F-1•Ω] or [F-2•≈] to move the cursor backwards or forwards, respectively.
• Pushing [F-3•DEL] deletes a character and [F-4•SPACE]
inserts a space.
u Repeat steps t and y to input the desired characters.
i Push [EXIT/SET] to set the contents and exit PSK
memory edit screen.
4-25
4
RECEIVE AND TRANSMIT
D PSK decode set mode
This set mode is used to set the decode USOS function, time stamp setting, etc.
• Setting contents
q During PSK mode operation, push [F-3•DECODE]
to select PSK decode screen.
w Push [F-1•] to select PSK decode menu
2, then push [F-6•SET] to select PSK decode set
mode.
[F-3•Ω ≈] [F-7•WIDE]
• Push [F-7•WIDE] to toggle the screen size from normal
and wide.
e Push [F-1•Y] or [F-2•Z] to select the desired set
item.
r Set the desired condition using the main dial.
[F-1•Y] [F-2•Z][F-4•DEF] [EXIT/SET] Main dial
• Push [F-4•DEF] for 1 sec. to select a default condition
or value.
• Push [F-3•Ω ≈] to select the set contents for some
items.
t Push [EXIT/SET] to exit from set mode.
Turn the time stamp (date, transmission or reception
time) indication ON and OFF.
• ON : Indicates the time stamp.
• OFF : No time stamp indication.
Selects the clock indication for time stamp usage.
• Local : Selects the time that set in “Time (Now).”
• UTC* : Selects the time that set in “CLOCK2.”
NOTE: The time won’t be displayed when “OFF” is
selected in “PSK Time Stamp” as above.
*The name of choice may differ according to
“CLOCK2 Name” setting (p, 11-2). “UTC” is the
default name setting of CLOCK2.
Selects the operating frequency indication for time
stamp usage.
• ON : Indicates the operating frequency.
• OFF : No operating frequency indication.
NOTE: The frequency won’t be displayed when
“OFF” is selected in “PSK Time Stamp” as
above.
Set the text color for received characters.
• The color is set in RGB format.
• Push [F-3•Ω ≈] 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.
4-26
RECEIVE AND TRANSMIT
D PSK decode set mode (continued)
Set the text color for transmitted characters.
• The color is set in RGB format.
• Push [F-3•Ω ≈] 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.
Set the text color for time stamp indication.
• The color is set in RGB format.
• Push [F-3•Ω ≈] 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.
Set the text color in the TX buffer screen.
• The color is set in RGB format.
• Push [F-3•Ω ≈] 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.
4-27
4
RECEIVE AND TRANSMIT
D Data saving
The contents of the PSK memory and received signal
can be saved into the CF memory card.
q During PSK decode screen indication, push
[F-1•] to select PSK decode menu 2.
w Push [F-5•SAVE] to select decode file save screen.
e Change the following conditions if desired.
• File name:
z Push [F-4•EDIT] to select file name edit condition.
[F-5•OPTION] [F-6•SAVE] [F-7•WIDE]
• Push [F-1• DIR/FILE] several times to select the
file name, if necessary.
[F-1•DIR/FILE] [F-4•EDIT] [EXIT/SET]
x Push [ABC], [123] or [Symbol] to select the
character group, then rotate the main dial to
select the character.
Main dial
• Decode file save screen
• [ABC] : A to Z (capital letters); [123]: 0 to 9 (numerals); [Symbol]: ! # $ % & ‘ ` ^ + – = ( ) [ ] { } _ ~
@ can be selected.
• Push [F-1•Ω] to move the cursor left, push [F-2•≈]
to move the cursor right, [F-3•DEL] delete a character and push [F-4•SPACE] to insert a space.
c Push [EXIT/SET] to set the file name.
• File format
z Push [F-5•OPTION] to enter save option
screen.
x Rotate the main dial to select the saving format from Text and HTML.
• Decode file save screen— file name edit
• “Text” is the default setting.
• Push [F-4•DEF] for 1 sec. to select the default setting.
• Save option screen
c Push [EXIT/SET] to return to the previous indication.
• Saving location
z Push [F-1•DIR/FILE] to select tree view
screen.
x Select the desired directory or folder in the CF
memory card.
• Push [F-4•Ω ≈] to select the upper directory.
• Push [F-2•Y] or [F-3•Z] to select folder in the
same directory.
• Push [F-4•Ω ≈] for 1 sec. to select a folder in the
directory.
• Push [F-5•REN/DEL] to rename the folder.
• Push [F-5•REN/DEL] for 1 sec. to delete the
folder.
• Push [F-6•MAKE] for 1 sec. to mak a new folder.
(Edit the name with the same manner as the
“• File name” above.)
c Push [F-1•DIR/FILE] twice to select the file
name.
r Push [F-6•SAVE].
• After the saving is completed, return to PSK decode
menu 2 automatically.
✔ For your convenient!
Both of data formats, Text and HTML, are compatible
data format in a PC. The saved data can be copied to
your PC for record, etc.
4-28
RECEIVE AND TRANSMIT
■ Operating AM
[MIC]
[TX] indicator
[RX] indicator
q Push a band key to select the desired band.
w Push [AM/FM] to select AM.
Band keys
• “AM” indicator appears.
• After AM mode is selected, push [AM/FM] to toggle between AM and FM modes.
e Rotate the main dial to tune the desired frequency.
• The S-meter indicates received signal strength when
signal is received.
[AF]
[AM/FM]
r Rotate [AF] to set audio to a comfortable listening
level.
t Push [TRANSMIT] or [PTT] (microphone) to transmit.
Main dial
• The TX indicator lights red.
Appears
y Speak into the microphone at your normal voice
level.
• Adjust the microphone gain with [MIC] at this step, if
necessary.
u Push [TRANSMIT] or release [PTT] (microphone) to
return to receive.
D Convenient functions for receive
• Preamp (p. 5-9)
➥ Push [P.AMP] several times to set the preamp
OFF, preamp 1 ON or preamp 2 ON.
• Twin PBT (passband tuning) (p. 5-12)
➥ Rotate [TWIN PBT] controls (inner/outer).
• Push [PBT CLEAR] to clear the settings.
• “P.AMP1” or “P.AMP2” appears when the preamp 1 or
preamp 2 is set to ON, respectively. (depending on
operating frequency band)
• Notch filter (p. 5-19)
➥ Push [NOTCH] switch to turn the manual notch
function ON and OFF.
• Attenuator (p. 5-9)
➥ Push [ATT] several times to set the attenuator in
6 dB steps.
• Rotate [NOTCH] control to set the attenuating frequency.
• Notch indicator (above [NOTCH] switch) lights when
either the manual notch is set to ON.
• Pushing [P.AMP] for 1 sec. to set the attenuator in
3 dB steps.
• “ATT” and attenuation level appear when the attenuator is set to ON.
• AGC (auto gain control) (p. 5-11)
➥ Push [AGC] switch several times to select
AGC FAST, AGC MID or AGC SLOW.
➥ Push [AGC VR] to turn the AGC time constant
manual setting ON and OFF.
• Noise blanker (p. 5-17)
➥ Push [NB] switch to turn the noise blanker ON
and OFF, and then rotate [NB] control to adjust
the threshold level.
• Rotate [AGC] control to adjust the time constant.
• Auto tuning function (p. 1-9)
➥ Push [AUTO TUNE] to turn the auto tuning function ON and OFF.
• Noise blanker indicator (above [NB] switch) lights
when the noise blanker is set to ON.
• Push [NB] for 1 sec. to enter noise blanker set mode.
• The transceiver automatically tuned into the desired
signal within ±500 kHz range.
• Noise reduction (p. 5-18)
➥ Push [NR] switch to turn the noise reduction ON
and OFF.
IMPORTANT!
When receiving a weak signal, or receiving a signal
with interference, the automatic tuning function may
not be tuned, or tuned into an undesired signal.
• Rotate [NR] control to adjust the noise reduction
level.
• Noise reduction indicator (above [NR] switch) lights
when the noise reduction is set to ON.
4-29
4
RECEIVE AND TRANSMIT
D Convenient functions for transmit
• VOX (voice operated transmit) (p. 6-2)
➥ Push [VOX/BK-IN] to turn the VOX function ON
and OFF.
• Audio tone control (p. 12-4)
➥ Push [F-7•SET] then [F-1•LEVEL] to enter level
set mode. Select an item with [F-1•Y]/[F-2•Z]
then rotate the main dial to adjust the audio tone.
• “VOX” appears when the VOX function is set to ON.
• Transmit quality monitor (p. 6-4)
➥ Push [MONI] to turn the monitor function ON and
OFF.
• Rotate [MONI GAIN] to adjust the monitor gain.
• Monitor indicator (above [MONI] switch) lights when
the monitor function is set to ON.
4-30
RECEIVE AND TRANSMIT
■ Operating FM
[MIC]
[TX] indicator
[RX] indicator
q Push a band key to select the desired band.
w Push [AM/FM] to select FM.
Band keys
• “FM” indicator appears.
• After FM mode is selected, push [AM/FM] to toggle between FM and AM modes.
e Rotate the main dial to tune the desired frequency.
• The S-meter indicates received signal strength when
signal is received.
• 10 kHz tuning step is preset for the FM mode.
[AF]
[AM/FM]
r Rotate [AF] to set audio to a comfortable listening
level.
t Push [TRANSMIT] or [PTT] (microphone) to transmit.
Main dial
• The TX indicator lights red.
Appears
y Speak into the microphone at your normal voice
level.
• Adjust the microphone gain with [MIC] at this step, if
necessary.
u Push [TRANSMIT] or release [PTT] (microphone) to
return to receive.
D Convenient functions for receive
• Preamp (p. 5-9)
➥ Push [P.AMP] several times to set the preamp
OFF, preamp 1 ON or preamp 2 ON.
• Attenuator (p. 5-9)
➥ Push [ATT] several times to set the attenuator in
6 dB steps.
• “P.AMP1” or “P.AMP2” appears when the preamp 1 or
preamp 2 is set to ON, respectively. (depending on
operating frequency band)
• Pushing [P.AMP] for 1 sec. to set the attenuator in
3 dB steps.
• “ATT” and attenuation level appear when the attenuator is set to ON.
• Auto notch filter (p. 5-19)
➥ Push [NOTCH] switch to turn the auto notch function ON and OFF.
• Notch indicator (above [NOTCH] switch) lights when
either the manual notch is set to ON.
D Convenient functions for transmit
• VOX (voice operated transmit) (p. 6-2)
➥ Push [VOX/BK-IN] to turn the VOX function ON
and OFF.
• Audio tone control (p. 12-4)
➥ Push [F-7•SET] then [F-1•LEVEL] to enter level
set mode. Select an item with [F-1•Y]/[F-2•Z]
then rotate the main dial to adjust the audio tone.
• “VOX” appears when the VOX function is set to ON.
• Transmit quality monitor (p. 6-4)
➥ Push [MONI] to turn the monitor function ON and
OFF.
• Rotate [MONI GAIN] to adjust the monitor gain.
• Monitor indicator (above [MONI] switch) lights when
the monitor function is set to ON.
4-31
4
RECEIVE AND TRANSMIT
■ Repeater operation
A repeater amplifies received signals and retransmits
them at 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 shift
frequency set to the repeater’s offset frequency.
For accessing a repeater which requires a repeater
tone, set the repeater tone frequency in tone frequency set mode as described below.
q Set the offset frequencies (HF, 50 MHz) and turn
ON the quick split function in miscellaneous (others)
set mode in advance. (p. 12-14)
w Push [V/M] 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 [SPLIT] for 1 sec. to start repeater operation.
[SPLIT] indicator Band keys [V/M]
[AM/FM] [XFC] Main dial
• 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] or using dualwatch.
[SPLIT]
u Push and hold [PTT] to transmit; release [PTT] to
receive.
i To return to simplex, push [SPLIT] momentarily.
D Repeater tone frequency setting
Some repeaters require subaudible tones to be accessed. Subaudible tones are superimposed over your
normal signal and must be set in advance. The transceiver has 50 tones from 67.0 Hz to 254.1 Hz.
[TONE]
q Select FM mode.
w Push [TONE] for 1 sec. to tone frequency set mode.
e Push [F-1•Y] or [F-2•Z] to select REPEATER
TONE item.
r Rotate the main dial to select the desired repeater
tone frequency.
[F-4•DEF]
• Push [F-4•DEF] for 1 sec. to select the default setting.
t Push [EXIT/SET] to return to the previous indication.
[F-1•Y] [F-2•Z] [AM/FM]
Main dial
• Available tone frequencies
67.0
69.3
71.9
74.4
77.0
79.7
82.5
4-32
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
RECEIVE AND TRANSMIT
■ 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.
[TONE]
q Set the desired frequency band and select FM
mode.
w Push [TONE] to turn the tone squelch function ON.
[F-4•DEF]
• “TSQL” appears
e Push [TONE] for 1 sec. to tone frequency set mode.
r Push [F-1•Y] or [F-2•Z] to select T-SQL TONE
item.
t Rotate the main dial to select the desired tone
squelch frequency.
[F-1•Y] [F-2•Z] [AM/FM]
• Push [F-4•DEF] for 1 sec. to select the default setting.
Main dial
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] to clear
“TSQL.”
• Available tone frequencies
67.0
69.3
71.9
74.4
77.0
79.7
82.5
4-33
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
4
RECEIVE AND TRANSMIT
■ 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. 2-8)
w Push a band key to select the desired band.
e Push [SSB] or [AM/FM] to select the desired operating mode.
r Push [DATA] to turn data mode ON.
Band keys
• One of “-D1,” “-D2” or “-D3” is additionally appears.
• During data mode selection, pushing [DATA] for 1 sec.
to select data mode 1 (D1), 2 (D2) and 3 (D3) in sequence.
[AF]
t Rotate the main dial to tune into the desired signal
and decoded correctly.
[SSB] [AM/FM] [DATA] Main dial
• Also use the tuning indicator of the TNC or software.
• During SSB data mode, 1⁄4 tuning function can be used
for critical tuning.
Appears
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 SSB data mode is selected, the audio
input from the [ACC1] (pin 6) is used for transmission instead of [MIC]’s.
The fixed condition is used for SSB data transmission as follow.
• [COMP]
: OFF
• Tx bandwidth
: MID
• Tx Tone (Bass) : 0
• Tx Tone (Trebles): 0
✔ For your information
Carrier point frequency is displayed when SSB data
mode is selected.
See the diagram left for the tone-pair example.
2325 Hz
200 Hz
2125 Hz
Carrier point
(displayed frequency)
4-34

---

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.5
Linearized                      : No
Page Count                      : 34
Has XFA                         : No
XMP Toolkit                     : XMP toolkit 2.9.1-13, framework 1.6
About                           : uuid:2e5e23e3-ac21-40e4-9ce5-dc9953bf492c
Modify Date                     : 2004:02:16 16:55:20-05:00
Create Date                     : 2004:02:16 16:55:02-05:00
Metadata Date                   : 2004:02:16 16:55:20-05:00
Document ID                     : uuid:52aefe38-7b86-4fd3-b067-daf57034bf6c
Format                          : application/pdf
Title                           : IC-7800_Eng.pdf
Creator                         : PScript5.dll Version 5.2
Author                          : danhuynh
Producer                        : Acrobat Distiller 6.0 (Windows)

EXIF Metadata provided by EXIF.tools