Icom IC-F5122D User manual

INSTRUCTION MANUAL
UHF dPMR MOBILE TRANSCEIVER
iF6122D
VHF dPMR MOBILE TRANSCEIVER
iF5122D

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IMPORTANT
READ ALL INSTRUCTIONS carefully and com-
pletely before using the transceiver.
SAVE THIS INSTRUCTION MANUAL — This
instruction manual contains important operating instructions
for the IC-F5122D VHF dPMR MOBILE TRANSCEIVER and
IC-F6122D UHF dPMR MOBILE TRANSCEIVER.
• This instruction manual includes some functions which
are usable only when they are preset by your dealer.
Ask your dealer for details.
• See the operating guide for details of IDAS™ dPMR™
(digital Private Mobile Radio) system operations. Ask
your dealer for details.
EXPLICIT DEFINITIONS
WORD DEFINITION
RWARNING! Personal injury, fire hazard or electric
shock may occur.
CAUTION Equipment damage may occur.
NOTE
If disregarded, inconvenience only. No risk
of personal injury, fire or electric shock.
Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incor-
porated (Japan) in Japan, the United States, the United Kingdom, Germany,
France, Spain, Russia and/or other countries.
IDAS is trademark of Icom Incorporated (Japan).
dPMR and the dPMR logo are trademarks of the dPMR MoU Association.
All other products or brands are registered trademarks or trademarks of their
respective holders.

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PRECAUTIONS
RWARNING! NEVER connect the transceiver to an
AC outlet. This may pose a fire hazard or result in an electric
shock.
RWARNING! NEVER connect the transceiver to a
power source of more than 16 V DC or use reverse polarity.
This could cause a fire or damage the transceiver.
RWARNING! NEVER cut the DC power cable be-
tween the DC plug and fuse holder. If an incorrect connection
is made after cutting, the transceiver might be damaged.
RWARNING! NEVER place the transceiver where
normal operation of the vehicle may be hindered or where it
could cause bodily injury.
CAUTION: NEVER allow children to touch the trans-
ceiver.
CAUTION: NEVER expose the transceiver to rain,
snow or any liquids.
USE the specified microphone only. Other microphones
have different pin assignments and may damage the trans-
ceiver.
DO NOT use or place the transceiver in areas with tem-
peratures below –25°C or above +55°C, or in areas subject
to direct sunlight, such as the dashboard.
DO NOT operate the transceiver without running the ve-
hicle’s engine. The vehicle’s battery will quickly run out when
the transceiver transmits while the vehicle’s engine is OFF.
DO NOT place the transceiver in excessively dusty envi-
ronments.
DO NOT place the transceiver against walls. This will ob-
struct heat dissipation.
DO NOT use harsh solvents such as benzine or alcohol
when cleaning, as they will damage the transceiver sur-
faces.
BE CAREFUL! The transceiver will become hot when
operating continuously for long periods of time.

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VOICE CODING TECHNOLOGY
The AMBE+2™ voice coding Technology embodied in this
product is protected by intellectual property rights including
patent rights, copyrights and trade secrets of Digital Voice
Systems, Inc. This voice coding Technology is licensed solely
for use within this Communications Equipment. The user of
this Technology is explicitly prohibited from attempting to ex-
tract, remove, decompile, reverse engineer, or disassemble
the Object Code, or in any other way convert the Object Code
into a human-readable form. U.S. Patent Nos.
#5,870,405, #5,826,222, #5,754,974, #5,701,390, #5,715,365,
#5,649,050, #5,630,011, #5,581,656, #5,517,511, #5,491,772,
#5,247,579, #5,226,084 and #5,195,166.

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TABLE OF CONTENTS
IMPORTANT...................................................................................... i
EXPLICIT DEFINITIONS................................................................... i
PRECAUTIONS................................................................................ ii
VOICE CODING TECHNOLOGY .................................................... iii
TABLE OF CONTENTS................................................................... iv
1 PANEL DESCRIPTION ...........................................................1–7
■ Front panel...............................................................................1
■ Function display.......................................................................2
■ Programmable function keys ...................................................3
2 BASIC OPERATION .............................................................8–14
■ Turning ON the power..............................................................8
■ Channel selection ....................................................................8
■ Call procedure .........................................................................9
■ Receiving and transmitting ......................................................9
■ User Set mode.......................................................................12
■ Scrambler function.................................................................12
■ Stun function..........................................................................12
■ Emergency transmission .......................................................13
■ Power OFF Emergency function............................................14
■ Priority A channel selection ...................................................14
3 CONNECTION AND MAINTENANCE................................15–17
■ Rear panel connection...........................................................15
■ Supplied Accessories ............................................................16
■ Mounting the transceiver .......................................................16
■ Antenna .................................................................................17
■ Fuse replacement..................................................................17
■ Cleaning.................................................................................17
■ Options ..................................................................................17
4 COUNTRY CODE LIST.............................................................18

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1PANEL DESCRIPTION
q w
t
SpeakerFunction display (p. 2)
r
e
■Front panel
qAF VOLUME CONTROL KNOB [VOL]
Rotate the knob to adjust the audio output level.
• Minimum audio level is pre-programmed. (p. 12)
wUP/DOWN KEYS [CH Up]/[CH Down]
Push to select an operating channel, etc.
* The desired function can be assigned by your dealer. (p. 3)
ePOWER KEY [ ]
Push to turn the power ON or OFF.
• The following optional functions are available at power ON:
- Automatic scan start
- Password prompt
r DEALER-PROGRAMMABLE KEYS
Required functions can be independently programmed by
your dealer. (p. 3)
tMICROPHONE CONNECTOR
Connect the supplied or optional microphone.
NEVER connect non-specified microphones. The pin assign-
ments may be different and may damage the transceiver.
DMicrophone
The supplied
or optional
microphone has a PTT switch and a
hanger hook.
• The following functions are available when the microphone is ON or
OFF hook (depending on the preprogramming):
- Automatic scan starts when you put it ON hook.
- Scan is cancelled when you take it OFF hook.
- Scan is paused when you take it OFF hook.
- Automatically selects the Priority channel when you take it OFF
hook.
- Sets to the ‘Inaudible’ mode (mute state) when you put it ON hook.
- Sets to the ‘Audible’ mode (unmute state) when you take it OFF
hook.

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PANEL DESCRIPTION
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■Function display
q TRANSMIT ICON
Appears while transmitting a signal.
w BUSY ICON
Appears while the channel is busy (receiving).
e SIGNAL STRENGTH ICON
Shows the relative receive signal strength level.
Weak Receive Signal level Strong
r LOW POWER ICON
Appears when low output power is selected.
tAUDIBLE ICON
➥ Appears when the channel is in the ‘Audible’ (unmute)
mode.
➥ Appears when a matching signal is received.
yGPS ICON
Appears when the GPS receiver acquires the GPS signal
from a satellite.
uSCRAMBLER ICON
Appears when the voice scrambler function is activated
while operating in the digital mode.
iBELL ICON
Appears/blinks when a matched signal is received, de-
pending on the preprogramming.
oSCAN ICON
➥Blinks during a scan.
➥ Appears when a scan channel is selected.
!0 SCROLL ICON
Appears when an SDM (Short Data Message), including
more than 8 characters, is selected in the received mes-
sage selection mode.
!1 ALPHANUMERIC DISPLAY
Displays an operating channel number, channel name,
User Set mode contents, DTMF code, etc.
q w e r t uy i o !0
!1

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1PANEL DESCRIPTION
■Programmable function keys
The following functions can be assigned to [UP], [DOWN],
[P0], [P1], [P2] and [P3] programmable function keys in the
Normal mode and the Shift mode. When [Shift] is assigned,
you can toggle between Normal mode and Shift mode, and
both key functions, assigned into the Normal mode and the
Shift mode, are available.
If [Shift] is not assigned to any key, the Shift mode cannot be
selected, and the Shift mode key functions are disabled.
Consult your Icom dealer or system operator for details con-
cerning your transceiver’s programming.
CH UP AND DOWN KEYS
As described in the following topics, after pushing a pro-
grammed key, push [CH Up] or [CH Down] to select an op-
tion, setting, etc.
ZONE KEY
Push this key, then select the desired zone using [CH Up]/
[CH Down].
What is “zone”?— Certain channels are grouped together
and assigned to a zone, according to their intended to use.
For example, ‘Staff A’ and ‘Staff B’ are assigned to a “Busi-
ness” zone, and ‘John’ and ‘Cindy’ are assigned to a “Pri-
vate” zone.
SCAN START/STOP KEY
➥Push to start and cancel scanning operation.
• When a scan is started with the Power ON Scan or Automatic
scan function, push this key to cancel it. The cancelled scan
resumes after the pre-programmed time period.
➥Hold down this key for 1 second to display a scan group,
then push [CH Up] or [CH Down] to select the desired
one.
SCAN ADD/DEL (TAG) KEY
➥Push to add the channel to, or delete it from, the current
scan group.
1. Push to display the scan group, then push [CH Up] or
[CH Down] to select the desired one.
2. Push to add the channel to, or delete it from, the selected scan
group.
3. Hold down for 1 second to exit the scan list selection mode.
➥ While a scan is paused on a non-priority channel, push this
key to delete the selected channel from the scan group.
Depending on the setting, the cleared channel is added
to the scan group again after the scan is cancelled.

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PANEL DESCRIPTION
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PRIO A/B KEYS
➥Push to select the Priority A or Priority B channel.
➥ Hold down [Prio A (Rewrite)] or [Prio B (Rewrite)] for
1 second to rewrite the operating channel as Priority A or
Priority B,
MR-CH 1/2/3/4 KEYS
Push to directly select memory channel 1 to 4.
MONI (AUDI) KEY
➥ Push to turn the CTCSS (DTCS) or 2/5-tone squelch mute
ON or OFF.
• Only during LMR (Land Mobile Radio) operation, push to open
any squelch, or deactivate any mute functions.
• Only during PMR (Private Mobile Radio) operation, push to acti-
vate one or two of the following functions on each channel (de-
pending on the preprogramming):
- Hold down to unmute the channel (‘Audible’ mode).
- Push to mute the channel (‘Inaudible’ mode).
- After the communication is finished, push to send a ‘reset
code’ (only 5-tone operation).
NOTE: The ‘Audible’ (unmute) mode may automatically
return to the ‘Inaudible’ (mute) mode, after the pre-pro-
grammed time period.
LIGHT KEY
Push to turn ON the backlight for about 5 seconds, when the
backlight function is set to “OFF” in the User Set mode.
LOCK KEY
➥ Hold down this key until “LOCK ON” is displayed to elec-
tronically lock all programmable keys except the follow-
ing:
[Moni(Audi)], [Lock], [Call] (incl. Call A and Call B), [Emergency],
[Surveillance], [Siren], [Lone Worker] and [Light].
➥ When the Key Lock function is ON, hold down this key
until “LOCK OFF” is displayed to turn it OFF.
LONE WORKER KEY
Push to turn the Lone Worker function ON or OFF.
• If the Lone Worker function is turned ON, and no operation occurs
during the pre-programmed time period, the Emergency function is
automatically turned ON.
HIGH/LOW KEY
Push to select the transmit output power temporarily or per-
manently, depending on the preprogramming.
• Ask your dealer for the output power level for each selection.

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1PANEL DESCRIPTION
■Programmable function keys (Continued)
TONE/CC CHANNEL SELECT KEY
➥ While in the analog mode, push to enter the continuous
tone selection mode. Then push [CH Up] or [CH Down] to
select the desired tone frequency/code setting. After se-
lecting, push this key again to store the setting.
➥ While in the digital mode, push to enter the CC selection
mode. Then push [CH Up] or [CH Down] to select the de-
sired CC. After selecting, push this key again to store the
setting.
➥ While in the mixed (digital and analog) mode, push to enter
the continuous tone selection mode. Then push [CH Up] or
[CH Down] to select the desired tone frequency/code set-
ting. After selecting, push this key to store the setting. After
that, the CC selection screen appears. Push [CH Up] or
[CH Down] to select the desired CC. After selecting, push
this key again to store the setting.
C.TONE CH ENT KEY
Push to enter the continuous tone channel selection mode.
Then, push [CH Up] or [CH Down] to change the tone fre-
quency/code setting. The selected channel remains set as
the continuous tone channel until another channel is desig-
nated as such.
TALK AROUND KEY
Push to turn the Talk Around function ON or 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, Mid* or Nar-
row.
* Depending on the presetting, Mid channel width may not be select-
able. Ask your dealer for details.
DTMF AUTODIAL KEY
➥ Push to enter the DTMF channel selection mode, then
push [CH Up] or [CH Down] to select the desired DTMF
channel.
➥ After selecting the DTMF channel, push again to transmit
the selected DTMF code.
RE-DIAL KEY
Push to transmit the last-transmitted DTMF code.
• TX memories are cleared after turning OFF the transceiver.

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PANEL DESCRIPTION
1
CALL KEYS
Push to transmit a 2/5-tone ID code.
• Tone call transmission may be necessary before you call another
station, depending on your signalling system.
• [Call A] and/or [Call B] may be selectable when your system em-
ploys selective ‘Individual/Group’ calls. Ask your dealer which call
is assigned to each key.
EMERGENCY KEY
Hold down for a specied period to transmit an emergency
call.
• If you want to cancel the emergency call, hold down the key again,
before transmitting it.
SURVEILLANCE KEY
Push to turn the surveillance function ON or OFF.
When a signal is received, or a key is pushed, while this
function is turned ON, the beeps do not sound and the LCD
backlight does not light.
SIREN KEY
Hold down for 1 second to sound the siren.
This function can be used for situations other than an emer-
gency alert, such as a security alarm for example.
• The siren can only be stopped by turning OFF the transceiver
power.
TX CODE ENTER KEY
Push to enter the TX code edit mode, then push [CH Up] or
[CH Down] to set a desired digit. (p. 11)
TX CODE CHANNEL SELECT KEY
➥Push to enter the TX code channel selection mode, then
push [CH Up] or [CH Down] to set a desired channel.
(p. 10)
➥ While in the TX code channel selection mode, hold down
this key for 1 second to enter the TX code edit mode. Then
push [CH Up] or [CH Down] to set a desired digit. (p. 11)
TX CODE CHANNEL UP/DOWN KEYS
Push to select a TX code channel.
ID-MR SELECT KEY (PMR operation only)
➥ Push to recall the received ID code.
• Push this key, then select the ID code using [CH Up]/
[CH Down].
• Up to 5 codes can be memorized.
➥
Hold down this key for 1 second to clear the selected ID
code.

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1PANEL DESCRIPTION
■Programmable function keys (Continued)
SCRAMBLER KEY
While operating in the digital mode, push to turn the voice
scrambler function ON or OFF.
HOOK SCAN
When the Hook Scan function is pre-programmed, push this
key to temporarily disable the function. Push this key again to
enable the function.
USER SET MODE KEY
➥ Hold down for 1 second to enter the User Set mode.
• While in the User Set mode, push this key to select an item that
is enabled by your dealer, and change the value or setting by
pushing [CH Up] or [CH Down].
➥
Hold down this key for 1 second again to exit the User Set
mode.
Ext. CH Sel Mode KEY
Push to turn the Ext. CH Select function ON or OFF.
When the function is turned ON, memory channels can be
selected with only and external input.
When the function is turned OFF, memory channels can be
selected by pushing [CH Up] or [CH Down], and cannot be
externally controlled.
• This function is available when the external unit, such as a dimmer
control is connected to the transceiver with an optional OPC-1939
or OPC-2078 cable (p. 17).
• Ask your dealer for more details on external input operation.
GPS DISPLAY KEYS
Push to switch the display mode between the stand-by and
GPS position data.
POWER OFF EMERGENCY
While holding down this key, turn OFF the transceiver to
activate the Power OFF Emergency function. This function
makes the transceiver transmit emergency calls, even though
it appears to be powered OFF. (p. 14)
SHIFT KEY
Push to switch the Normal mode key functions and the Shift
mode key functions.
• When the Shift mode is selected, the display briey shows “SHIFT
ON.” When the Normal mode is selected, the display briey shows
“SHIFT OFF.”

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BASIC OPERATION
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■Turning ON the power
qPush [ ] to turn ON the power.
w If the transceiver is programmed for a start up password,
input the digit codes as directed by your dealer.
• The keys shown below can be used for password input:
The transceiver detects numbers in the same block as identical.
Therefore “01234” and “56789” are the same.
e If the “PASSWORD” indication does not clear after input-
ting 6 digits, the input code number may be incorrect. Turn
OFF the power and re-enter your password.
■Channel selection
Several types of channel selections are available. Methods
may differ, depending on the presetting.
NON-ZONE TYPE:
To select the desired operating channel:
• Push [CH Up] or [CH Down].
• Push one of [MR-CH 1] to [MR-CH 4].
ZONE TYPE:
To select the desired operating channel:
Push [Zone], then push [CH Up] or [CH Down].
AUTOMATIC SCAN TYPE:
Channel setting is not necessary for this type. When turning
ON the power, the transceiver automatically starts scanning.
Scanning stops when a signal is detected.
DVoting operation (for zone selection)
The transceiver automatically starts scanning when a zone,
specified for the voting operation, is selected.
The voting scan detects the signal of the repeater and auto-
matically selects the strongest station.
KEY
NUMBER 0
5
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9
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2
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1
6

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2BASIC OPERATION
■Call procedure
When your system employs tone signaling (excluding CTCSS
and DTCS), a call procedure may be necessary prior to voice
transmission. The tone signalling employed may be a selective
calling system which allows you to call only specic station(s),
and prevents unwanted stations from contacting you.
q Select the desired TX code channel or 2/5-tone code, ac-
cording to your System Operator’s instructions.
• This may not be necessary, depending on the preprogram-
ming.
• Refer to pages 10 and 11 for selection.
w Push [Call] (assigned to one of the dealer programmable
keys).
eAfter transmitting, the remainder of your communication
can be carried out in the normal fashion.
Selective calling Non-selective calling
■Receiving and transmitting
Receiving:
q Hold down [] for 1 second to turn ON the power.
w Push [CH Up] or [CH Down] to select a channel.
e When receiving a call, rotate [VOL] to adjust the audio out-
put level to a comfortable listening level.
NOTE:
Depending on the preprogramming, the transceiver
automatically transmits the microphone audio for the specified
time period*, when a matched RX code signal is received.
• HM-148G or HM-152 h a n d m i c r o p h o n e is required.
* Depending on the preprogramming. Ask your dealer for details.
Transmitting:
Wait for the channel to become clear to avoid interference.
qTake the microphone OFF hook.
• The ‘Audible’ mode is selected.
• A priority channel may be automatically selected.
w Wait for the channel to become clear.
•
The channel is busy when the BUSY icon appears on the LCD.
e While holding down [PTT], speak into the microphone at
your normal voice level.
r Release [PTT] to return to receive.
IMPORTANT: To maximize the readability of your signal;
1. Pause briey 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
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DTransmitting notes
•Transmitinhibitfunction
The transceiver has several inhibit functions which restrict
transmission under the following conditions:
- The channel is in the ‘Inaudible’ (mute) mode; “ ” (Audible
icon) does not appear.
- The channel is busy. However, depending on the prepro-
grammed settings, you can transmit when the call includes
an unmatching (or matching) CTCSS (DTCS), CC, or Indi-
vidual or Talkgroup ID.
- The selected channel is a ‘receive only’ channel.
•Time-outtimer
If continuous transmission exceeds the pre-programmed
time-out timer limit, the transmission is cut off.
•Penaltytimer
After the transmission is cut off by the time-out timer, trans-
mission is further inhibited for the pre-programmed penalty
timer period.
•PTTIDcall
The transceiver automatically sends the 5-tone, DTMF, BIIS
or digital ANI ID code when [PTT] is pushed (at the begin-
ning of the transmission), and/or when it is released (at the
end of transmission), depending on the preprogramming.
DTX code channel selection
If the transceiver has a key assigned to [TX Code CH Select],
the display 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] or [CH 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] to select the desired TX code
channel.
eAfter selecting, push [TX Code CH Select] to set.
• Return to the stand-by mode.
rPush [Call] to transmit the selected TX code.
USING [TX CODE CH UP]/[TX CODE CH DOWN] KEY:
If the transceiver has a key assigned to [TX Code CH Up] or
[TX Code CH Down], the programmed TX code channel can
be directly selected when pushed.

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2BASIC OPERATION
■Receiving and transmitting (Continued)
DTX code number edit
If the transceiver has a key assigned to [TX Code CH Select]
or [TX Code Enter], 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 Hold down [TX Code CH Select] for 1 second to enter the
TX code edit mode.
• The digit to be edited blinks.
e Push [TX Code CH Select] to select the desired digit to be
edited.
r Push [CH Up] or [CH Down] to select the desired digit.
t Push [TX Code CH Select] to set. The digit to the right will
automatically blink.
yRepeat rand t to edit all allowable digits.
u After editing, push [TX Code CH Select] to set.
• Return to the stand-by mode.
i Push [Call] to transmit.
USING [TX CODE ENTER] KEY:
q Push [TX Code Enter] to enter the TX code edit mode.
• The digit to be edited blinks.
w Push [TX Code Enter] to select the desired digit to be ed-
ited.
e Push [CH Up] or [CH Down] to select the desired digit.
r Push [TX Code Enter] to set. The digit to the right will au-
tomatically blink.
tRepeat eand r to edit all allowable digits.
y After editing, push [TX Code Enter] to set.
• Return to the stand-by mode.
u Push [Call] to transmit.
DDTMF transmission
If the transceiver has a key assigned to [DTMF Autodial], the
automatic DTMF transmission function is available. Up to 8
DTMF channels are selectable.
q Push [DTMF Autodial]— a DTMF channel appears.
w Push [CH Up] or [CH Down] to select the desired DTMF
channel.
e Push [DTMF Autodial] to transmit the DTMF code.

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BASIC OPERATION
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■User Set mode
The User Set mode allows you to set seldom-changed set-
tings, and you can “customize” the transceiver operation to
suit your preferences and operating style.
NOTE: While in the User Set mode, [Up], [Down] and [P0]
activate regardless of the assigned key functions.
Entering the User Set mode:
q Hold down [SET] for 1 second to enter the User Set
mode.
w Push [SET] several times to select the appropriate item.
Then push [CH Up] or [CH Down] to set the desired level
or option.
• In the User Set mode, the selectable items are preset by your
dealer. The presetable items are Backlight, Beep ON/OFF,
Beep Level, Ringer Level, SQL Level, AF Min Level, Mic
Gain, Battery Voltage, Horn, Signal Moni, Lone Worker and
System Info.
e Hold down [SET] for 1 second again to exit the User Set
mode.
■Scrambler function
The voice scrambler function provides private communication
between stations while operating in the digital mode.
➥ Push [Scrambler] to toggle the scrambler function ON or
OFF.
• “ ” (Scrambler icon) appears when the function is ON.
■Stun function
The dispatcher can send a signal that will stun, kill or revive
your transceiver.
When the Stun command is received, the transceiver be-
comes unusable. In that case, receiving a Revive command
or inputting the password* (p. 8) is necessary to operate the
transceiver again.
When a Kill command is received, the transceiver becomes
unusable (the transceiver switches to the cloning required
condition). In that case, cloning the transceiver is necessary
to operate the transceiver again.
* Depending on the pre-programmed settings.
See the operating guide for details of the Stun function
with the dPMR system operations. Ask your dealer for de-
tails.

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2BASIC OPERATION
■Emergency transmission
When [Emergency] is pushed for the specied time period, an
emergency signal is transmitted once, or repeatedly, on the
specified emergency channel, depending on the presetting.
A repeat emergency signal is automatically transmitted until
the transceiver receives an acknowledgement signal, or you
turn OFF the transceiver power.
When no emergency channel is specied, the signal is trans-
mitted on the previously selected channel.
If you want to cancel the emergency call, hold down [Emer-
gency] again before transmitting it.
If your transceiver is preset for Silent operation, you can
transmit an Emergency call without the beep sounding and
the LCD indication change.
IMPORTANT: It is recommended to set a separate emer-
gency channel to provide reliable emergency calls.
DNOTES
Depending on the preprogramming, the following functions
are automatically activated. Ask your dealer for details.
•AutoTXfunction
After the emergency call transmission, audio from the micro-
phone is automatically transmitted for a specified time pe-
riod.*
• The HM-148G or HM-152 hand microphone is required.
•AutoRXfunction
After the emergency call transmission, the transceiver stands
by in the audible mode for the specified time period.*

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2
BASIC OPERATION
2
When the transceiver has a key assigned to Power OFF
Emergency, you can use the function.
This function makes the transceiver transmit emergency
calls, even though it appears to be powered OFF.
To activate the Power OFF Emergency function, turn OFF
the power while holding down [Power OFF Emergency].
When the function is activated, any key operation, the ON/
OFF Hook and Lone Worker functions become invalid. The
beep, display and speaker are turned OFF as well.
On the other hand, the transceiver can transmit emergency
calls according to the pre-programmed emergency settings.
Depending on the pre-programmed settings, the Remote
Monitor function can also be used (dPMR operation only).
To cancel the Power OFF Emergency function and restore
the transceiver, turn the power ON.
■Power OFF Emergency function
■Priority A channel selection
When one of the following operations is performed, the trans-
ceiver automatically selects the Priority A channel.
•TurningONthepower
The Priority A channel is selected each time the transceiver
power is turned ON.
•AutoReset
The Priority A channel is selected when the Auto Reset
timer ends.
•OFFhook
The Priority A channel is selected when you take the micro-
phone OFF hook.

15
3CONNECTION AND MAINTENANCE
e
r
OPTIONAL CABLE (OPC-1939, OPC-2078
)
Connect an external modem, dimmer
control, etc.
NOTE: No Digital Modulation “IN” using
accessory cables.
r
Antenna
Black
Red
12V
Battery
Solder
Crimp
NOTE: Use the terminals as shown
for the cable connections.
qANTENNA CONNECTOR
Connect to an antenna. Ask your
dealer about antenna selection
and placement.
qw
wEXTERNAL SPEAKER JACK
Connect to a 4 to 8 øexternal speaker.
eMICROPHONE HANGER
Connect the supplied micro-
phone hanger to the vehicle’s
ground for microphone ON/OFF
hook functions. (See page 1)
t
tDC POWER RECEPTACLE
Connect to a 12 V DC battery.
Pay attention to polarities.
Optional speaker
RWARNING! NEVER connect
to a 24 V battery. This could
damage the transceiver.
RWARNING! NEVER remove the
fuse-holders from the DC power cable.
■Rear panel connection
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