Icom IC-F4161T Instruction Manual page 13

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CALL KEYS "C C A A L L L L " "C C A A L L A A " "C C A A L L B B "
Push to transmit a 2-tone.
• Call transmission is necessary before you call another station
depending on your signaling 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 KEY "E E M M R R "
Push and hold for a specified period to transmit an emer-
gency call.
• 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.
SURVEILLANCE KEY "S S U U R R V V "
Push to turn the surveillance function ON or OFF.
When this function is turned ON, the beep is not emitted and
the LCD backlight does not light when a signal is received or
a key is pushed, etc.
TX CODE CHANNEL SELECT KEY "T T X X C C "
➥ Push to enter the ID code channel selection mode directly.
Then set the desired channel using [CH Up]/[CH Down].
((☞ p. 15))
TX CODE CHANNEL UP/DOWN KEYS "T T X X C C U U " "T T X X C C D D "
Push to select a TX code channel directly.
PANEL DESCRIPTION
SCRAMBLER FUNCTION "S S C C R R "
Push to toggle the voice scrambler function ON and OFF.
COMPANDER KEY "C C O O M M P P "
Push to toggle the compander function ON and OFF.
The compander function reduces noise components from the
transmitting audio to provide clear communication.
PHONE KEY "P P H H N N "
Push to connect or disconnect the telephone network con-
nection during LTR operation.
USER SET MODE KEY "S S E E T T "
➥ Push and hold to enter user set mode.
• During user set mode, push this key to select an item, and
change the value or condition using push [CH Up]/[CH Down].
➥ Push and hold this key again to exit user set mode.
User set mode is also available via the 'Power ON function.'
Refer to ((☞ p. 16)) also.
OPT OUT KEYS "O O P P 1 1 " "O O P P 2 2 " "O O P P 3 3 "
Push to control the output signal level of the optional ports in
the optional unit connector.
OPT MOMENTARY KEYS "O O 1 1 M M " "O O 2 2 M M " "O O 3 3 M M "
Push and hold to control the output signal level of the option-
al ports in the optional unit connector.
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