ICOM orporated 278100 VHF Mobile Transceiver User Manual IC F1721D

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Document ID	484564
Application ID	Z+3DtTvmJ5/yM/LI0NdUXw==
Document Description	Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	68.3kB (853714 bits)
Date Submitted	2004-11-02 00:00:00
Date Available	2004-11-02 00:00:00
Creation Date	2004-09-02 17:59:49
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Document Lastmod	2004-09-17 16:32:23
Document Title	!IC-F1721D.qxd
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Document Author:	fic™ƒ†@fiޙÔq

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INSTRUCTION MANUAL
VHF MOBILE TRANSCEIVER
iF1721/D
iF1821/D
UHF MOBILE TRANSCEIVER
iF2721/D
iF2821/D
This device complies with Part 15 of the FCC Rules.
Operation is subject to the condition that this device
does not cause harmful interference.
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IMPORTANT
PRECAUTION
READ ALL INSTRUCTIONS carefully and com-
RWARNING! NEVER connect the transceiver to an
AC outlet. This may pose a fire hazard or result in an electric
shock.
pletely before using the transceiver.
SAVE THIS INSTRUCTION MANUAL — This
instruction manual contains important operating instructions
for the IC-F1721/D, F1821/D, F2721/D and F2821/D VHF/
UHF MOBILE TRANSCEIVERS.
NEVER connect the transceiver to a power source of more
than 16 V DC such as a 24 V battery. This connection will ruin
the transceiver.
EXPLICIT DEFINITIONS
NEVER cut the DC power cable between the DC plug and
fuse holder. If an incorrect connection is made after cutting,
the transceiver might be damaged.
WORD
DEFINITION
Personal injury, fire hazard or electric shock
RWARNING may occur.
CAUTION
NOTE
Equipment damage may occur.
If disregarded, inconvenience only. No risk
of personal injury, fire or electric shock.
NEVER place the transceiver where normal operation of
the vehicle may be hindered or where it could cause bodily
injury.
NEVER allow children to touch the transceiver.
NEVER expose the transceiver to rain, snow or any liquids.
USE the supplied microphone only. Other microphones
have different pin assignments and may damage the transceiver.
DO NOT use or place the transceiver in areas with temperatures below –30°C (–22°F) or above +60°C (+140°F), or
in areas subject to direct sunlight, such as the dashboard.
Icom, Icom Inc. and the
logo are registered trademarks of Icom
Incorporated (Japan) in the United states, the United Kingdom, Germany,
France, Spain, Russia and/or other countries.
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ABOUT APCO PROJECT 25
AVOID operating the transceiver without running the vehicle’s engine. The vehicle’s battery will quickly run out if the
transceiver transmits while the vehicle’s engine OFF.
AVOID placing the transceiver in excessively dusty environments.
AVOID
placing the transceiver against walls. This will
obstruct heat dissipation.
AVOID the use of chemical agents such as benzine or
alcohol when cleaning, as they damage the transceiver surfaces.
BE CAREFUL! The transceiver will become hot when
operating continuously for long periods.
For U.S.A. only
CAUTION: Changes or modifications to this transceiver, not expressly approved by Icom Inc., could void your authority to operate
this transceiver under FCC regulations.
ii
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TABLE OF CONTENTS
IMPORTANT ....................................................................................... i
EXPLICIT DEFINITIONS .................................................................... i
PRECAUTION .................................................................................... i
ABOUT APCO PROJECT 25 ............................................................. ii
TABLE OF CONTENTS .................................................................... iii
1 PANEL DESCRIPTION .............................................................. 1–7
■ Front panel .................................................................................. 1
■ Function display .......................................................................... 2
■ Programmable function keys ...................................................... 3
2 BASIC OPERATION ................................................................ 8–13
■ Turning power ON ....................................................................... 8
■ Channel selection ....................................................................... 8
■ Call procedure ............................................................................ 9
■ Receiving and transmitting ......................................................... 9
D Transmitting notes .................................................................. 10
D TX code channel selection ..................................................... 10
D TX code number edit .............................................................. 11
D Individual ID code selection.................................................... 12
D Talkgroup ID code selection ................................................... 12
D DTMF transmission ................................................................ 12
■ User set mode .......................................................................... 13
■ Scrambler function .................................................................... 13
3 BIIS OPERATION ................................................................... 14–24
■ Default setting ........................................................................... 14
■ Receiving a call ......................................................................... 14
D Individual call.......................................................................... 14
D Group call ............................................................................... 15
D Displaying the received call record......................................... 15
■ Transmitting a call ..................................................................... 16
D Using call memory.................................................................. 16
D Calling back from the queue channel ..................................... 16
D Direct code entry .................................................................... 17
iii
■ Receiving a message ............................................................... 18
D Receiving a status message .................................................. 18
D Receiving an SDM.................................................................. 18
D Received message selection.................................................. 19
■ Transmitting a status ................................................................. 20
D General................................................................................... 20
D Transmitting a status .............................................................. 20
■ Transmitting an SDM ................................................................ 21
D General................................................................................... 21
D Transmitting an SDM.............................................................. 21
D Programming an SDM memory.............................................. 22
■ Position data transmission ........................................................ 23
■ Printer connection ..................................................................... 23
■ Digital ANI ................................................................................. 23
■ Auto emergency transmission ................................................... 23
■ Stun function ............................................................................. 24
■ BIIS indication ........................................................................... 24
■ Priority A channel selection ....................................................... 24
■ Horn output ............................................................................... 24
4 CONNECTION AND MAINTENANCE ................................... 25–17
■ Rear panel and connection ....................................................... 25
■ Supplied Accessories ................................................................ 26
■ Mounting the transceiver ........................................................... 27
■ Optional UT-111 installation ...................................................... 27
■ Optional UT-109 or UT-110 installation ..................................... 28
■ Optional OPC-617 installation ................................................... 28
■ Antenna...................................................................................... 29
■ Fuse replacement ..................................................................... 29
■ Cleaning .................................................................................... 29
■ Options ..................................................................................... 29
5 SAFETY TRAINING INFORMATION ........................................... 30
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PANEL DESCRIPTION
■ Front panel
e*
e*
Icom
IC-F1721/D
F2721/D
Inc
IC-F1821/D
F2821/D
u y t
q AF VOLUME CONTROL KNOB
Rotate the knob to adjust the audio output level.
• Minimum audio level is pre-programmed.
w FUNCTION DISPLAY (p. 2)
Displays a variety of information, such as an operating
channel number/name, 5-tone code, DTMF numbers and
audible condition, etc.
e DIAL or UP/DOWN KEYS
• IC-F1721/D, F2721/D: DIAL
Rotate to select an operating channel, etc.
• IC-F1821/D, F2821/D: UP/DOWN Keys
Push to select an operating channel, etc.
r 10-KEYPAD (IC-F1821/D or IC-F2821/D only)
The keypad allows you to enter digits to:
• Select memory channels
• Select tone channels
• Select DTMF codes (during in the DTMF code channel selection
mode)
• Set TX codes
• Set BIIS status number
• Input text message for SDM operation
• Start up with the password
t BUSY INDICATOR
Lights green while receiving a signal, or when the squelch
is open.
*The desired function can be assigned by your dealer. (p. 3)
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PANEL DESCRIPTION
y POWER SWITCH [POWER]
Push to turn the power ON and OFF.
• The following functions are available at power ON as options:
- Automatic scan start
- Password prompt
- Set mode
u TRANSMIT INDICATOR
Lights red while transmitting.
i DEALER-PROGRAMMABLE KEYS
Desired functions can be programmed independently by
your dealer. (p. 3)
In this instruction manual, these keys are from the left,
called [P0]/[P1]/[P2]/[P3]/[P4].
o MICROPHONE CONNECTOR
Connect the supplied microphone or optional DTMF microphone.
NEVER connect non-specified microphones. The pin
assignments may be different and the transceiver may
be damaged.
D MICROPHONE
The supplied microphone has a PTT switch and a hanger
hook.
• The following functions are available when the microphone is on or
off hook:
- Automatic scan start when on hook.
- Automatic priority channel selection when off hook.
- Sets to ‘Inaudible’ condition (mute condition) when on hook.
- Sets to ‘Audible’ condition (unmute condition) when off hook.
■ Function display
136.1
Nar
!0
!1
q SIGNAL STRENGTH INDICATOR
Indicates relative signal strength level.
w LOW POWER INDICATOR
Appears when low output power is selected.
• When the battery power decreases to a specified level, low
power is selected automatically.
e AUDIBLE INDICATOR
➥ Appears when the channel is in the ‘audible’ (unmute)
condition.
➥ Appears when the specified 2/5-tone/BIIS code is
received.
r COMPANDER INDICATOR
Appears when the compander function is activated.
t SCRAMBLER INDICATOR
Appears when the voice scrambler function is activated.
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PANEL DESCRIPTION
■ Programmable function keys
y BELL INDICATOR
Appears/blinks when the specific 2/5-tone/BIIS code is
received, according to the pre-programming.
u CALL CODE MEMORY INDICATOR
Appears when the call code memory is selected.
i SCROLL INDICATOR
Appears when a received SDM including more than 12
characters is displayed.
o SDM INDICATOR
Appears when an SDM is received, or a transmit SDM is
selected.
!0 ALPHANUMERIC DISPLAY
Displays an operating channel number, channel name, Set
mode contents, DTMF code, etc.
The indication type can be selected from 1 line or 2 lines.
Ask your dealer for details.
In this instruction manual, the LCD illustration is described
with 2 lines.
!1 ACTIVATED KEY INDICATOR
Appears above the key assigned as the [DIGITAL] key
when that key has been activated.
The following functions can be assigned to [DIAL]*, [P0],
[P1], [P2], [P3] and [P4] programmable function keys.
Consult your Icom dealer or system operator for details concerning your transceivers programming.
If the programmable function names are bracketed in the following explanations, the specific key is used to activate the
function depends on the programming.
*The assignable functions are restricted to [DIAL].
(✩ marked functions are available.)
✩ CH UP AND DOWN KEYS
➥ Push (or Rotate)* to select an operating channel.
➥ Push (or Rotate)* to select a transmit code channel after
pushing [TX Code CH Select].
➥ Push (or Rotate)* to select a DTMF channel after pushing
[DTMF Autodial].
➥ Push (or Rotate)* to select a scan group after pushing and
holding [Scan A Start/Stop]/[Scan B Start/Stop].
➥ Push (or Rotate)* to select a BIIS code, status number or
SDM after pushing [Digital].
*Rotate when this function is assigned to [DIAL].
✩ ZONE UP AND DOWN KEY (This function is for [DIAL] only)
Rotate to select the desired zone.
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PANEL DESCRIPTION
ZONE SELECT KEY
Push this key, then push [CH Up] or [CH Down] to select the
desired zone.
What is “zone”?
The desired channels are assigned into a zone according
to the intended use.
SCAN A KEY
➥ This key’s operation depends on the Power ON Scan setting.
When the power ON scan function is turned OFF;
Push to start and cancel scanning operation. In case of
transmission during scan, cancels scanning.
When the power ON scan function is turned ON;
Push to pause scanning. Scanning resumes after passing
a specified time period. In case of transmission during
scan, pauses scanning. Scanning resumes after passing
a specified time period specified.
➥ Push and hold this key for 1 sec. to indicate the scan
group, then push [CH Up] or [CH Down] to select the
desired group.
SCAN B KEY
➥ Push to start and cancel scanning operation. In case of
transmission during scan, pauses scanning. Scanning
resumes after passing a specified time period.
➥ Push and hold this key for 1 sec. to indicate the scan
group, then push [CH Up] or [CH Down] to select the
desired group.
SCAN TAG KEY
Push to add or delete the selected channel to the scan group.
PRIORITY CHANNEL KEYS
➥ Push to select Priority A or Priority B channel.
➥ Push and hold [Prio A (Rewrite)] to rewrite the Prio A channel.
MR-CH 1/2/3/4 KEYS
Push to select an operating channel directly.
MONITOR KEY
➥ Mute and release the CTCSS (DTCS) or 2-tone squelch
mute. Open any squelch/deactivate any mute while pushing this key. (LMR operation only)
➥ Activates one of (or two of) the following functions on each
channel independently: (PMR or BIIS PMR operation only)
• Push and hold to un-mute the channel (audio is emitted;
‘Audible’ condition).
• Push to mute the channel (sets to ‘Inaudible’ only).
• Push to un-mute the channel (sets to ‘Audible’ only).
• Push after the communication is finished to send a ‘reset
code’.
NOTE: The un-mute condition (‘Audible’ condition) may
automatically return to the mute condition (‘Inaudible‘ condition) after a specified period.
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PANEL DESCRIPTION
PUBLIC ADDRESS KEY
When an optional OPC-617 ACC CABLE is installed, the audio
output via the cable can be controlled from the transceiver
separately from the [VOL] control.
• This audio output can be used as a ‘public address’ function when
an external audio amplifier and speaker are connected additionally.
• Push this key, then speak into the microphone while pushing the
PTT switch.
• The [CH Up]/[CH Down] keys allow you to set the audio output level
from minimum to maximum.
RX SPEAKER KEY
When the external connections are made for the ‘public
address’ function, the external speaker drive function is also
available simultaneously. The received audio can be heard
via the external speaker when this key is pushed.
• This function is useful when you are out of the vehicle.
• The audio output level is linked to the transceiver’s volume control.
LIGHT KEY
Push to turn the transceiver’s backlight ON temporarily when
the backlight function is turned OFF in user set mode.
LOCK KEY
Push and hold to electronically lock all programmable keys
except the following:
[Call] (incl. Call A and Call B), [Moni(Audi)] and [Emergency].
OUTPUT POWER SELECTION KEY
Push to select the transmit output power temporarily or permanently, depending on the pre-setting.
• Ask your dealer for the output power level for each selection.
C.TONE CHANNEL ENTER KEY
Push to select the continuous tone channel using [CH Up]/
[CH Down] to change the tone frequency/code setting after
pushing this key for permanent operation.
TALK AROUND KEY
Turn the talk around function ON and OFF.
• The talk around function equalizes the transmit frequency to the
receive frequency for transceiver-to-transceiver communication.
WIDE/NARROW KEY
Push to toggle the IF bandwidth between wide and narrow.
• The wide passband width can be selected from 25.0 or 20.0 kHz
using the CS-F1700 CLONING SOFTWARE. (PMR or BIIS PMR operation only) Ask your Dealer for details.
DTMF AUTODIAL KEY
➥ Push to enter the DTMF channel selection mode. Then
select the desired DTMF channel using [CH Up]/[CH
Down]/[CH Up/Down] keys.
➥ After selecting the desired DTMF channel, push this key to
transmit the DTMF code.
DTMF RE-DIAL KEY
Push to transmit the last-transmitted DTMF code.
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PANEL DESCRIPTION
CALL KEYS
Push to transmit a 2/5-tone/BIIS ID code.
• Call transmission is necessary before calling another station
depending on your signalling system.
• [Call A] and/or [Call B] may be available when your system employs
selective ‘Individual/Group’ calls. Ask your dealer which call is
assigned to each key.
EMERGENCY KEYS
➥ Push and hold to transmit an emergency call.
➥ When [Emergency Single (Silent)] or [Emergency Repeat
(Silent)] is pushed, an emergency call is transmitted without
a beep emission and LCD indication change.
• If you want to cancel the emergency call, push (or push and
hold) the key again before transmitting the call.
• The emergency call is transmitted one time only or repeatedly
until receiving a control code depending on the pre-setting.
TX CODE ENTER KEY (PMR or BIIS PMR operation only)
Push to enter the ID code edit mode directly, for both 5-tone
and MSK. Then set the desired digit using [CH Up]/
[CH Down]/[CH Up/Down] or 10-keypad*. (p. 11)
*IC-F1821/D or IC-F2821/D only
TX CODE CHANNEL SELECT KEY
➥ Push to enter the ID code channel selection mode directly.
Then set the desired channel using [CH Up]/[CH Down]/
[CH Up/Down]. (p. 10)
➥ While in ID code channel selection mode, push for 1 sec. to
enter the ID code edit mode for 5-tone and MSK. Then set
the desired digit using [CH Up]/[CH Down]/[CH Up/Down]
or 10-keypad*. (p. 11)
*IC-F1821/D or IC-F2821/D only
✩ TX CODE CHANNEL UP/DOWN KEYS
Push (or Rotate)* to select a TX code channel directly.
*Rotate when this function is assigned to [DIAL].
ID MEMORY READ KEY (PMR or BIIS PMR operation only)
➥ Recalls detected ID codes.
• Push this key, then push [CH Up]/[CH Down] for selection.
• Up to 5 ID’s are memorized.
➥ Push and hold to erase the selected memorized ID’s.
VOICE SCRAMBLER FUNCTION
Push to toggle the voice scrambler function ON and OFF.
COMPANDER KEY
Push to toggle the compander function ON and OFF.
The compander function reduces noise components from the
transmitting audio to provide clear communication.
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PANEL DESCRIPTION
USER SET MODE KEY
➥ Push and hold to enter user set mode.
• During user set mode, push this key to select an item, and push
[CH Up]/[CH Down] to change the value or condition.
➥ Push and hold this key again to exit user set mode.
User set mode is also available via the ‘Power ON function.’
Please refer to p. 13 also.
OPT OUT KEYS
Push to control the optional unit connector output signal level.
DIGITAL KEY (BIIS operation only)
➥ Push to select the call ID list, transmit message and standby condition. Toggles between queue channel and
received message record indication after queue channel is
selected.
➥ Push and hold to select queue channel indication.
D For Digital mode operation only
INDIVIDUAL KEY
➥ Push to enter the individual ID code selection mode directly. Then select the desired individual ID code using [CH
[CH Down]/[CH Up/Down]. (p. 12)
➥ Push to stop the beep emission when receiving a matched
individual ID code.
TALKGROUP KEY
➥ Push to enter the talkgroup ID code selection mode directly. Then select the desired talkgroup ID code using [CH
Up]/ [CH Down]/[CH Up/Down]. (p. 12)
➥ Push to stop the beep emission when receiving a matched
talkgroup ID code.
✩ STATUS UP/DOWN KEYS (BIIS operation only)
➥ While in the standby condition, push (or rotate)* to display
the transmit status indication and select a status number.
➥ When a received SDM is displayed, push (or rotate)* to
cancel the automatic scroll and scroll the message manually.
➥ When an SDM that contains more than 12 characters is
displayed, push (or rotate)* to scroll the message manually.
*Rotate when this function is assigned to [DIAL].
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BASIC OPERATION
■ Turning power ON
■ Channel selection
q Push [ ] to turn the power ON.
w If the transceiver is programmed for a start up password,
input the digit codes as directed by your dealer.
Several types of channel selections are available. Methods
may differ according to your system set up.
• 10-keypad* can be used for password input.
*IC-F1821/D or IC-F2821/D only:
• The keys as below can be used for password input:
• The transceiver detects numbers in the same block as identical.
Therefore “01234” and “56789” are the same.
NON-ZONE TYPE:
Push [CH Up] or [CH Down], or rotate [CH Up/Down] to select
the desired operating channel, in sequence; or, push one of
[MR-CH 1] to [MR-CH 4] keys to select a channel directly.
ZONE TYPE:
Push [Zone] then push [CH Up] or [CH Down], or rotate [Zone
Up/Down] to select the desired zone.
P0
P1
P2
P3
P4
*In this instruction manual, these keys are
from the left, called [P0]/[P1]/[P2]/[P3]/[P4].
KEY
NUMBER
P0
P1
P2
P3
P4
e When the “PASSWORD” indication does not clear after
inputting 4 digits, the input code number may be incorrect.
Turn the power off and start over in this case.
AUTOMATIC SCAN TYPE:
Channel setting is not necessary for this type. When turning
power ON, the transceiver automatically starts scanning.
Scanning stops when receiving a call.
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BASIC OPERATION
■ Call procedure
■ Receiving and transmitting
When your system employs tone signaling (excluding CTCSS
and DTCS), the call procedure may be necessary prior to voice
transmission. The tone signalling employed may be a selective calling system which allows you to call specific station(s)
only and prevent unwanted stations from contacting you.
Receiving:
q Push [ ] to turn the power ON.
w Push [CH Up] or [CH Down], or rotate [CH Up/Down] to
select a channel, in sequence.
e When receiving a call, adjust the audio output level to a
comfortable listening level.
q Select the desired TX code channel, 2/5-tone code,
Individual ID code* or Talkgroup ID code* according to
your System Operator’s instructions.
• This may not be necessary depending on programming.
• Refer to pgs. 10–12 for selection.
*Digital mode operation only.
w Push the call key (assigned to one of the dealer programmable keys) or [PTT].
e After transmitting, the remainder of your communication
can be carried out in the normal fashion.
Selective calling
Non-selective calling
Transmitting:
Wait for the channel to become clear to avoid interference.
q Take the microphone off hook.
• 2-tone, 5-tone mute may be released. (The ‘audible’ condition is
selected and BUSY indicator lights green.)
• A priority channel may be selected automatically.
w Wait for the channel to become clear.
• The channel is busy when BUSY indicator lights green.
e Push [CALL] when initiating a call from your side.
• Coded audio may be heard from the transceiver, then “
”
appears.
• This operation may not be necessary depending on your signaling system. Ask your dealer for details.
r While pushing and holding [PTT], speak into the microphone at your normal voice level.
t Release [PTT] to receive.
IMPORTANT: To maximize the readability of your signal;
1. Pause briefly after pushing [PTT].
2. Hold the microphone 5 to 10 cm (2 to 4 inches) from
your mouth, then speak into the microphone at a normal
voice level.
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BASIC OPERATION
D Transmitting notes
D TX code channel selection
• Transmit inhibit function
The transceiver has several inhibit functions which restrict
transmission under the following conditions:
- The channel is in mute condition (‘Inaudible’ condition;
“
” does not appear.)
- The channel is busy.
- Un-matched (or matched) CTCSS is received.
- The selected channel is a ‘receive only’ channel.
• Time-out timer
After continuous transmission for the pre-programmed time
period, the time-out timer is activated, causing the transceiver to stop transmitting.
• Penalty timer
Once the time-out timer is activated, transmission is further
inhibited for a period determined by the penalty timer.
If the transceiver has [TX Code CH Select] assigned to it, the
indication can be toggled between the operating channel
number (or name) and TX code channel number (or name).
When the TX code channel number (or name) is displayed,
[CH Up], [CH Down] or [CH Up/Down] selects the TX code
channel.
USING [TX CODE CH SELECT] KEY:
q Push [TX Code CH Select]— a TX code channel number
(or name) appears.
w Push [CH Up] or [CH Down], or rotate [CH Up/Down] to
select the desired TX code channel.
e Push [Call] (or [PTT] during MSK operation) to transmit the
selected TX code.
USING [TX CODE CH UP]/[TX CODE CH DOWN] KEY:
If the transceiver has a [TX Code CH Up], [TX Code CH
Down] or [TX Code CH Up/Down] key assignment, the programmed TX code channel can be selected directly when
pushed or rotated.
NOTE for PMR or BIIS PMR operation:
• The LCD indication is not changed when the operating channel
number (or name) is displayed.
• To check the selected TX code, push [TX Code CH Select].
10
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BASIC OPERATION
D TX code number edit
(PMR or BIIS PMR operation only)
If the transceiver has [TX Code CH Select] or [TX Code
Enter] assigned to it, TX code contents can be edited within
the allowable digits.
USING [TX CODE CH SELECT] KEY:
q Push [TX Code CH Select] to enter the TX code channel
selection mode.
• Select the desired channel before entering the TX code channel
selection mode if necessary.
w Push [TX Code CH Select] for 1 sec. to enter the TX code
edit mode.
e Push [TX Code CH Select] to select the desired digit to be
edited.
• The editable digit blinks.
r Push [CH Up], [CH Down] or 10-keypad*, or rotate [CH
Up/Down] to set the desired digit.
t Push [TX Code CH Select] to set the digit. The editable
digit will move to the right automatically.
USING [TX CODE ENTER] KEY:
q Select the desired TX code channel via [TX Code CH
Select]+[CH Up] or [CH Down], [TX Code CH Up], [TX
Code CH Down] or [TX Code CH Up/Down].
w Push [TX Code Enter] to enter the TX code edit mode.
e Push [TX Code Enter] to select the desired digit to be edited.
• The editable digit blinks.
r Push [CH Up], [CH Down] or 10-keypad*, or rotate [CH
Up/Down] to set the desired digit .
t Push [TX Code Enter] to set the digit. The editable digit will
move to the right automatically.
• When the 10-keypad* is used to set, the editable digit will move
to the right automatically without pushing [TX Code CH Select].
y Repeat r and t to input all allowable digits.
u Push [Call] or [PTT] to transmit the edited TX code.
*IC-F1821/D or IC-F2821/D only
• When the 10-keypad* is used to set, the editable digit will move
to the right automatically without pushing [TX Code CH Select].
y Repeat r and t to input all allowable digits.
u Push [Call] or [PTT] to transmit the edited TX code.
*IC-F1821/D or IC-F2821/D only
11
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BASIC OPERATION
D Individual ID code selection
D DTMF transmission
(Digital mode operation only)
If the transceiver has [Individual] assigned to it, the indication
can be toggled between the operating channel number (or
name) and Individual ID code (or name). When the Individual
ID code (or name) is displayed, [CH Up], [CH Down] or [CH
Up/Down] selects the desired Individual ID code.
If the transceiver has [DTMF Autodial] assigned to it, the automatic DTMF transmission function is available. Up to 8 DTMF
channels are available.
q Push [Individual]— an Individual ID code (or name)
appears.
w Push [CH Up] or [CH Down], or rotate [CH Up/Down] to
select the desired Individual ID code.
e Push [PTT] to transmit the selected Individual ID code.
D Talkgroup ID code selection
(Digital mode operation only)
If the transceiver has [Talkgroup] assigned to it, the indication
can be toggled between the operating channel number (or
name) and Talkgroup ID code (or name). When the Talkgroup
ID code (or name) is displayed, [CH Up], [CH Down] or [CH
Up/Down] selects the desired Talkgroup ID code.
q Push [Talkgroup]— a Talkgroup ID code (or name)
appears.
w Push [CH Up] or [CH Down], or rotate [CH Up/Down] to
select the desired Talkgroup ID code.
e Push [PTT] to transmit the selected Talkgroup ID code.
12
TO SELECT A TX CODE:
q Push [DTMF Autodial]— a DTMF channel appears.
w Push [CH Up] or [CH Down], or rotate [CH Up/Down] to
select the desired DTMF channel.
e Push [DTMF Autodial] to transmit the DTMF code in the
selected DTMF channel.
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BASIC OPERATION
■ User set mode
User set mode is accessed with [User Set Mode] and allows
you to set seldom-changed settings. In this case you can
“customize” the transceiver operation to suit your preferences
and operating style.
Entering the user set mode:
q While pushing and holding [P1] and [P2], push [ ] to turn
the power ON. Then, push and hold [P0] to enter user set
mode, allowing you to set seldom-changed settings.
e Push [
] (or push and hold [P0]) again to exit set mode.
[P1]
User set mode is also available via a programmable key.
Please refer to p. 7 [User Set Mode] section.
■ Scrambler function
[P1] [P2]
w Push [P0] several times to select the appropriate item.
Then, push [Up] or [Down] or rotate [DIAL] to set the
desired level/condition.
• Available set mode functions are Backlight, LCD Contrast,
Beep, Beep Level, SQL Level, AF Min Level, Mic Gain and
Horn.
The voice scrambler function provides private communication
between stations. The frequency inversion type is equipped
to all versions, moreover, the optional Rolling or Non-rolling
type can be available.
q Push [Scrambler] to turn the scrambler function ON.
•“
•“
[P0]
” appears.
w Push [Scrambler] again to turn the scrambler function
OFF.
” disappears.
[Up]/[Down] or [DIAL]
13
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BIIS OPERATION
■ Default setting
■ Receiving a call
The following functions are assigned to each programmable
key as the default. However, the assigned function can be
changed by your dealer. Ask your dealer for details.
q When an individual call is received;
NOTE: [TX Code Enter] must be assigned to any key.
P0
[P0]; Call
P1
P2
P3
P4
In this instruction
manual, these keys
are from the left,
called [P0]/[P1]/
[P2]/[P3]/[P4].
: Push to transmit a 5-tone/BIIS call
when the selected channel is a 5tone or MSK channel, respectively.
[P1]; Digital
: Push to select the call list ID/transmit
message, or to display the receive
message record for selection.
[P3]; TX Code Enter : Push to enter the ID code edit mode
directly for both 5-tone and MSK.
[P4]; Moni(Audi)
: Push this key after the communication to send a ‘Clear down’ signal
during MSK channel operation.
[P2]; Null
: No function is assigned.
[Up]/[Down]/[DIAL]; CH Up/Down
: While in the standby condition,
selects the operating channel.
After pushing [Digital] or [TX Code
CH Select], selects call list or TX
code channel, respectively.
14
D Individual call
• Beeps sound.
•“
” appears and the mute is released.
• The programmed text message (e.g.“CALLING”) and the calling
station ID (or text) is displayed when the display type is 2lines.
• The programmed text message (e.g.“CALLING”) and the calling
station ID (or text) is displayed alternately when the display type
is 1line, depending on the setting.
• “ ” appears or blinks depending on the setting.
Appears
Appears or blinks
0500
CALLING
w Push and hold [PTT], then speak into the microphone at a
normal voice level.
• TX indicator lights red.
e Release [PTT] to return to receive.
• BUSY indicator lights green while receiving a signal.
r To finish the conversation, push [P4] (Moni(Audi)) to send
the ‘Clear down’ signal.
• Either station can send a ‘Clear down’ signal.
• “CLR DOWN” is displayed for 2 sec. (approx.).
•“
” disappears and the transceiver returns to the standby condition.
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BIIS OPERATION
D Displaying the received call record
— Queue indication
D Group call
q When a group call is received;
• Beeps sound.
•“
” appears and the mute is released.
• The programmed text message (e.g.“GROUP”) and the calling
station ID (or text) is displayed when the display type is 2lines.
• The programmed text message (e.g.“GROUP”) and the calling
station ID (or text) is displayed alternately when the display type
is 1line, depending on the setting.
• “ ” appears or blinks depending on the setting.
Appears
Appears or blinks
1120
GROUP
w Push and hold [PTT], then speak into the microphone at a
normal voice level.
NOTE: Only one station is permitted to speak.
• TX indicator lights red.
The transceiver memorizes the calling station IDs for record.
Up to 3 calls can be memorized, and the oldest call record is
erased when a 4th call is received. However, once the transceiver is powered OFF, the all records are cleared.
q Push [P1] (Digital) for 1 sec.
• Displays following indication.
When a record is available

-QUEUE!When no record is available

NO QUEUE
e Release [PTT] to return to receive.
• BUSY indicator lights green while receiving a signal.
r To finish the conversation, push [MONITOR] (Moni(Audi))
to send the ‘Clear down’ signal.
• Either station can send a ‘Clear down’ signal.
• “CLR DOWN” is displayed for 2 sec. (approx.)
•“
” disappears and the transceiver returns to the standby condition.
w Push [Up] or [Down], or rotate [DIAL] to select the desired
call.
e Push [P1] (Digital) for 1 sec. again to return to the standby
condition.
• When no operation is performed for 30 sec., the transceiver
returns to the standby condition automatically.
15
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BIIS OPERATION
■ Transmitting a call
Total of a 3 ways for code selection are available—selecting
the call code from memory, entering the call code from the
keypad and calling back from the queue channel record.
D Using call memory
q While in the standby condition, push [P1] (Digital) to enter
the call code memory channel selection mode.
•“
” appears.
D Calling back from the queue channel
q While in the standby condition, push [P1] (Digital) for
1 sec. to enter the queue memory channel selection mode.
w Push [Up] or [Down] or rotate [DIAL] to select the desired
record.

-QUEUE!-
Appears
e Push [P0] (Call) or [PTT]* to call.
FLEET
100
Call code text is displayed.
w Push [Up] or [Down], or rotate [DIAL] to select the desired
call code.
e Push [P0] (Call) or [PTT]* to call.
*PTT call can be made only when PTT call capability is permitted.
NOTE: When no answer back is received, the transceiver repeats the call 3 times (default) automatically,
and “WAIT” is displayed during each call. However, an
error beep sounds and “FAILED” is displayed when no
answer back is received after the calls.
r Push [PTT] to transmit; release to receive.
t Push [P4] (Moni(Audi)) to send the ‘Clear down’ signal.
16
*PTT call can be made only when PTT call capability is permitted.
NOTE: When no answer back is received, the transceiver repeats the call 3 times (default) automatically,
and “WAIT” is displayed during each call. However, an
error beep sounds and “FAILED” is displayed when no
answer back is received after the calls.
r Push [PTT] to transmit; release to receive.
t Push [P4] (Moni(Audi)) to send the ‘Clear down’ signal.
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BIIS OPERATION
D Direct code entry
q While in the standby condition, push [P3] (TX Code Enter)
to enter the TX code edit mode.
u Push [PTT] to transmit; release to receive.
i Push [P4] (Moni(Audi)) to send the ‘Clear down’ signal.
• Editable code digit blinks.
0500
For your information
When the “UpDate” setting for the call code is enabled, the
set code is overwritten into the call code memory.
w Push [P3] (TX Code Enter) to select the desired digit to be
edited.
• Editable digit differs according to the setting.
e Set the desired digit using [CH Up]/[CH Down]/[DIAL] or
10-keypad*.
*IC-F1821/D or IC-F2821/D only
r Push [P3] (TX Code Enter) to set the digit, then the
editable digit will move to the right automatically.
• When the 10-keypad is used to set, the editable digit will move to
the right automatically without pushing [P3] (TX Code Enter).
t Repeat e and r to input all allowable digits.
y Push [P0] (Call) or [PTT]* to call.
*PTT call can be made only when PTT call capability is permitted.
NOTE: When no answer back is received, the transceiver repeats the call 3 times (default) automatically,
and “WAIT” is displayed during each call. However, an
error beep sounds and “FAILED” is displayed when no
answer back is received after the calls.
17
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BIIS OPERATION
■ Receiving a message
D Receiving a status message
D Receiving an SDM (Short Data Message)
q When a status message is received;
q When an SDM is received;
• Beeps sound.
• The calling station ID (or text) and the status message is displayed alternately, depending on the setting.
TX Status
BASE
• Beeps sound.
• The calling station ID (or text) and the SDM is displayed alternately, depending on the setting.
•“
” appears
01
BASE
BASE
w Push [P4] (Moni(Audi)) to return to the standby condition.
NOTE: Only the calling station ID (or text) is displayed (no
message is displayed alternately) when the scroll timer is
set to ‘OFF.’ In this case, push [Status Up]/[Status Down]
to display the status message manually.
Appears
SDM 8
BASE
BASE
BASE
w When the received SDM includes more than 12 characters, “ ” appears and the message scrolls automatically,
when the automatic scroll function is activated.
• Push [Status Up]/[Status Down] to scroll the message manually.
e Push [P4] (Moni(Audi)) to return to the standby condition.
18
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BIIS OPERATION
D Received message selection
The transceiver memorizes the received messages for
record. Up to 6 messages for status and SDM, or 95 character SDM’s can be memorized. The oldest message is erased
when the 7th message is received. However, once the transceiver is powered OFF, all messages are cleared.
r Push [P1] (Digital) for 1 sec. again to return to the standby
condition.
• When no operation is performed for 30 sec., the transceiver
returns to the standby condition automatically.
q Push [P1] (Digital) for 1 sec.
• Displays queue memory.
w Push [P1] (Digital) momentarily.
• Displays message memory.
When a message is available
MESSAGE
- MSG! When no message is available
MESSAGE
-NO MSGe Push [Up] or [Down], or rotate [DIAL] to select the desired
message.
• When selecting the SDM that includes more than 12 characters,
“ ” appears and the message scrolls automatically, when the
automatic scroll function is activated.
• Push [Status Up]/[Status Down] to scroll the message manually.
19
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BIIS OPERATION
■ Transmitting a status
D General
D Transmitting a status
The status message can be selected with the programmed
text, and the message text is also displayed on the function
display of the called station.
Up to 24 status types (1 to 24) are available, and the status
messages 22 and 24 have designated meanings.
Status 22: Emergency*
Status 24: GPS request
q While in the standby condition, push [P1] (Digital), then
push [Up] or [Down], or rotate [DIAL] to select the desired
station/group code.
w Push [P1] (Digital) again, then push [UP] or [DOWN] to
select the desired status message.
*The status 22 can also be used as a normal status message by
disabling the designated meaning. However, the status 24 is fixed.
Or, you can select the desired status message using
[Status Up]/[Status Down] key directly.
TX
Status
01
The status call can be sent with both individual and group
calls.
Status message is displayed.
e Push [P0] (Call) or [PTT]* to transmit the status message
to the selected station/group.
*PTT call can be made only when PTT call capability is permitted.
• 2 beeps will sound and the transceiver returns to the standby
condition automatically when the transmission is successful.
20
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BIIS OPERATION
■ Transmitting an SDM (Short Data Message)
D General
D Transmitting an SDM
The short data message, SDM, can be sent to an individual
station or group stations. Also, 8 SDM memory channels are
available and the messages can be edited via PC programming.
q While in the standby condition, push [P1] (Digital), then
push [Up] or [Down] or rotate [DIAL] to select the desired
station/group code.
w Push [P1] (Digital) again, then push [Up] or [Down] or
rotate [DIAL] to select the desired SDM.
Or, you can select the desired SDM using [Status Up]/
[Status Down] key directly.
Appears
SDM
SDM is displayed.
e Push [P0] (Call) or [PTT]* to transmit the SDM to the
selected station/group.
*PTT call can be made only when PTT call capability is permitted.
• 2 beeps will sound and the transceiver returns to the standby
condition automatically when the transmission is successful.
21
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BIIS OPERATION
D Programming an SDM memory
• Available characters
(IC-F1821/D or IC-F2821/D only)
Key
q During standby condition, push [P1] (Digital) twice, then
push [Up] or [Down], or rotate [DIAL] to select the desired
SDM to be edited.
w Push [M] or [#] to enter the message editing condition.
• The first character blinks when [#] is pushed, the last character
blinks when [M] is pushed as below.
Blinks
SDM
When [#] is pushed.
e Push the appropriate digit key, [0] to [9], to enter the
desired character.
• See the table at right for the available characters.
• Pushing [UP] also enters space, pushing [DOWN] deletes the
selected character.
r Push [#] to move the cursor to the right, push [M] to move
the cursor to the left.
t Repeat steps e and r to set the desired text message.
y Push [P1] (Digital) for 1 sec. to overwrite the set content
into the memory.
• Push [P1] (Digital) momentarily to cancel the editing and return to
the original message indication.
22
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
Characters
! ? ' " , ; : _ ( ) < > [ ]
(space) # * / + - = / & % $ @ ^
A B C a b c
D E F d e f
G H I g h i
J K L j k l
M N O m n o
P Q R S p q r s
T U V t u v
W X Y Z w x y z
NOTE: Once the pre-programmed character including a
decimal point is rewrote with the 10-keypad, the decimal
point cannot be displayed again.
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BIIS OPERATION
■ Position data transmission
■ Digital ANI
When the optional cable and a GPS receiver is connected to
the transceiver, the position (longitude and latitude) data can
be transmitted automatically.
Ask your dealer or system operator for connection details.
The own ID can be transmitted each time the PTT is pushed
(log-in) or released (log-off) during individual or group call
communications.
By receiving the ANI, the communication log can be recorded
when using a PC dispatch application.
The position data is transmitted when;
• Status 24 message is received
*When the status 24 message, GPS request, is received.
• Fully automatic
When automatic position transmission is enabled, send
the position data according to ‘Time Marker’ and ‘Interval
Timer’ settings.
• PTT is released
When ‘Send with Logoff’ is enabled.
- Set the ‘Log-In/Off’ item as ‘L-OFF.’
• After sending a status message
When ‘Send with Status’ is enabled.
• After sending an SDM
When ‘Send with SDM’ is enabled.
• After sending status 22 (Emergency)
When ‘Send with Emergency’ is enabled.
■ Printer connection
When the optional cable is connected to the transceiver, a
printer can be connected to print out the received SDM content and the ID of the station who sent the message.
Ask your dealer or system operator for connection details.
In addition, when using the ANI with log-in, the PTT side tone
function can be used to inform you that the ID is sent and
voice communication can be performed.
■ Auto emergency transmission
When [Emergency Single (Silent)] or [Emergency Repeat
(Silent)] is pushed, an emergency signal is automatically
transmitted for the specified time period.
The status 22 (Emergency) is sent to the selected ID station,
and the position data is transmitted after the emergency signal when a GPS receiver is connected to the transceiver.
The emergency transmission is performed on the emergency
channel, however, when no emergency channel is specified,
the signal is transmitted on the previously selected channel.
There is no change in the function display or beep emission
during automatic emergency transmission.
23
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BIIS OPERATION
■ Stun function
■ Priority A channel selection
When the specified ID, set as a killer ID, is received, the stun
function is activated.
When one of the following operations is performed, the transceiver selects the Priority A channel automatically.
When the killer ID is received, the transceiver switches to the
password required condition. Entering of the password via the
keypad is necessary to operate the transceiver again in this
case.
Priority A is selected when;
• Clear down signal is received/transmitted
- Set the ‘Move to PrioA CH’ item as ‘Clear down.’
• Turning the power ON
The Priority A channel is selected each time the transceiver power is turned ON.
• Status call
The Priority A channel is selected when transmitting a status call.
- Enable the ‘Send Status on PrioA CH’ item in the MSK
configuration.
■ BIIS indication
The following indications are available for the BIIS operation
on an MSK channel.
CONNECT : Individual/group call is successful.
OK
: Message (status or SDM) transmission is successful.
FAILED : No answer back is received.
WAIT
: Appears during retry of the call (2nd call).
CLR DOWN : End the communication.
BUSY
: Operating channel is in the busy condition.
■ Horn output
Automatic honking function is available when the optional
OPC-617 ACC CABLE is connected. When a status message
is received, the transceiver controls the vehicles horn for the
specified time period to inform a status message is received.
This function is convenient when the operator away from the
transceiver.
Ask your dealer or system operator, or refer to the service
manual for connection and setting details.
24
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Page 25 (1,1)
CONNECTION AND MAINTENANCE
■ Rear panel and connection
q ANTENNA CONNECTOR
Connects to an antenna.
Contact your dealer about
antenna selection and
placement.
Antenna
w Reserved for future
function.
e EXTERNAL
SPEAKER JACK
Connect a 4—8 ‰
external speaker.
Supplied speaker SP-22
(Depending on version)
y DC POWER RECEPTACLE
Connects to a 12 V DC battery. Pay attention to polarities. NEVER connect to a 24 V
battery. This could damage the transceiver.
Red
Black
12V
Battery
R CAUTION! NEVER remove
the fuse-holder from the DC
power cable.
NOTE: Use the terminals as shown
below for the cable connections.
Crimp
Solder
r MICROPHONE HANGER
Connect the supplied microphone hanger to the
vehicle s ground for microphone on/off hook
functions. (See p. 2)
t OPTIONAL CABLE
(OPC-617)
Connect an external modem unit, dimmer control,
etc.
25
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CONNECTION AND MAINTENANCE
■ Supplied Accessories
KEY-STICKER
!2
!0
!3
!1
!4
q Microphone ...................... 1
w Microphone hanger and
screw set ..................... 1 set
e Microphone hanger cable . 1
r DC power cable (OPC-1194)
............................................1
t Function name stickers
(KEY STICKER) ....................1
y Speaker* ........................... 1
u Mounting bracket .............. 1
26
i Key cap ............................. 1
o Flat washers ...................... 4
!0 Spring washers ................. 4
!1 Nuts ................................... 4
!2 Bracket bolts ..................... 4
!3 Mounting screws (M5×12) . 4
!4 Self-tapping screws (M5×20)
........................................... 4
*Depending on version
• Function name stickers
There are no names on the programmable function keys since the
functions can be freely assigned to these keys.
Attach the supplied function name stickers as at right to the appropriate keys for easy recognition of that key’s assigned function.
Then, protect the attached stickers from unsticking with the supplied
key cap as below.
Function name sticker
Key cap
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CONNECTION AND MAINTENANCE
■ Mounting the transceiver
■ Optional UT-111 installation
The universal mounting bracket supplied with your transceiver allows overhead mounting.
• Mount the transceiver securely with the 4 supplied screws
to a thick surface which can support more than 1.5 kg.
Install the optional UT-111 unit as follows:
Flat washer
q Turn the power OFF, then disconnect the DC power cable.
w Unscrew the 4 cover screws, then remove the bottom
cover.
e Cut the pattern on the PCB at the CP57, then solder CP58
as shown below.
r Install the unit as shown in the diagram below.
t Replace the bottom cover and screws, then re-connect the
DC power cable.
Spring washer
When using
self-tapping screws
CP57
CP58
See p. 28 when uninstalling the unit.
27
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CONNECTION AND MAINTENANCE
■ Optional UT-109 or UT-110
installation
■ Optional OPC-617 installation
Install the OPC-617 as shown below.
q Turn the power OFF, then disconnect the DC power cable.
w Unscrew the 4 cover screws, then remove the bottom cover.
e Cut the pattern on the PCB at the TX mic circuit (MIC) and
RX AF circuit (AF OUT), then solder CP37 as shown below.
r Install the scrambler unit as described in the installation of
optional UT-111 installation on p. 27
t Replace the bottom cover and screws.
MIC and AF OUT
FRONT
OPC-617
Cut off the bushing as in the
illustration, when you install
the optional OPC-617.
CP37
OPTIONAL CABLE PIN ASSIGNMENT
NOTE: When uninstalling
the unit
Be sure to re-solder the
disconnected points and
un-solder the connected
points as above when you
remove the unit. Otherwise
no TX modulation or AF
output is available.
28
trewq
Re-solder
oiuy
Un-solder
Remove
q Dimmer cont. IN or
IGSW cont. IN
w AF OUT
e Det. AF OUT
r Mod. IN
t PTT control IN or
FTSW control IN
y Horn drive cont. OUT
u AF GND
i Det. AF GND
o Mod. GND
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CONNECTION AND MAINTENANCE
■ Antenna
■ Options
A key element in the performance of any communication system is an antenna. Contact your dealer about antennas and
the best places to mount them.
• RMK-2 SEPARATION KIT +
OPC-607/OPC-608/OPC-609 SEPARATION CABLE
Allows you to install the transceiver main unit separately
from the front panel for operating convenience.
• SP-5/SP-22 EXTERNAL SPEAKER
Input impedance : 4 Ω
Max. input power : 5 W
SP-5 : Large speaker for good audio quality.
SP-22 : Compact and easy-to-install. The same as supplied
with the transceiver depending on version.
• HM-100TN/HM-100N/HM-148 HAND MICROPHONE
HM-100TN : Hand microphone with a DTMF keypad.
HM-148 : The same as supplied with the transceiver
depending on version.
• SM-25 DESKTOP MICROPHONE
• UT-109 (#02)/UT-110 (#02) SCRAMBLER UNITS
Non-rolling type (UT-109)/Rolling type (UT-110) voice
scrambler unit provides higher communication security.
• UT-111 TRUNKING BOARD
Provides trunking operation.
• OPC-617 ACC CABLE
Allows you to connect to an external terminal.
■ Fuse replacement
A fuse is installed in the supplied DC power cable. If a fuse
blows or the transceiver stops functioning, track down the
source of the problem if possible, and replace the damaged
fuse with a new rated one.
❑ Fuse rating: 20 A
■ Cleaning
If the transceiver becomes dusty or dirty, wipe it clean with a
soft, dry cloth.
AVOID the use of solvents such as benzene or
alcohol, as they may damage the transceiver surfaces.
29
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W ARN ING
Page 30 (1,1)
SAFETY TRAINING INFORMATION
Your Icom radio generates RF electromagnetic
energy during transmit mode. This radio is
designed for and classified as “Occupational Use
Only”, meaning it must be used only during the
course of employment by individuals aware of the
hazards, and the ways to minimize such hazards.
This radio is NOT intended for use by the “General
Population” in an uncontrolled environment.
• For compliance with FCC and Industry Canada RF Exposure
Requirements, the transmitter antenna installation shall comply with
the following two conditions:
1. The transmitter antenna gain shall not exceed 0 dBi.
2. IC-F1721/IC-F1721D/IC-F1821/IC-F1821D:
The antenna is required to be located outside of a vehicle and
kept at a distance of 1 meter or more between the transmitting
antenna of this device and any persons during operation. For
small vehicle as worst case, the antenna shall be located on the
roof top at any place on the centre line along the vehicle in order
to achieve 1 meter separation distance. In order to ensure this
distance is met, the installation of the antenna must be mounted
at least 1 meter away from the nearest edge of the vehicle in
order to protect against exposure to bystanders.
3. IC-F2721/IC-F2721D/IC-F2821/IC-F2821D:
The antenna is required to be located outside of a vehicle and
kept at a distance of 79 centimeters or more between the transmitting antenna of this device and any persons during operation.
For small vehicle as worst case, the antenna shall be located on
the roof top at any place on the centre line along the vehicle in
order to achieve 79 centimeters separation distance. In order to
ensure this distance is met, the installation of the antenna must
be mounted at least 79 centimeters away from the nearest edge
of the vehicle in order to protect against exposure to bystanders.
30
To ensure that your exposure to RF electromagnetic energy is within the FCC allowable limits
for occupational use, always adhere to the following guidelines:
C AU TIO N
• DO NOT operate the radio without a proper antenna attached, as
this may damage the radio and may also cause you to exceed FCC
RF exposure limits. A proper antenna is the antenna supplied with
this radio by the manufacturer or an antenna specifically authorized
by the manufacturer for use with this radio.
• DO NOT transmit for more than 50% of total radio use time (“50%
duty cycle”). Transmitting more than 50% of the time can cause FCC
RF exposure compliance requirements to be exceeded. The radio
is transmitting when the “TX indicator” lights red. You can cause the
radio to transmit by pressing the “PTT” switch.
Electromagnetic Interference/Compatibility
During transmissions, your Icom radio generates RF energy that can
possibly cause interference with other devices or systems. To avoid
such interference, turn off the radio in areas where signs are posted
to do so. DO NOT operate the transmitter in areas that are sensitive
to electromagnetic radiation such as hospitals, aircraft, and blasting
sites.
!IC-F1721D.qxd
04.9.2 5:58 PM
A-6406H-1EX
Printed in Japan
© 2004 Icom Inc.
Page Z (1,1)
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan

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