I Function Display - Icom IC-F320 Instruction Manual

VOLUME UP/ DOWN KEYS
Push to adjust the audio output level.
• Minimum audio level is pre-programmed.
CH UP/DOWN [ ]/[ ] KEYS
• Push to select the operating channel.
• Can be programmed for one of several functions by your-
dealer.
POWER SWITCH
Turns the power ON and OFF.
• The following functions are available at power ON as options:
• Automatic scan start
• Password prompt
MICROPHONE CONNECTOR
Connect the supplied microphone or optional DTMF micro-
phone for SmarTrunk II™ operation here.
NEVER connect other microphones. The pin assignments
may be different and the transceiver may be damaged.
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 hung on.
• Automatic priority channel selection when off.
• Sets to 'Inaudible' condition (mute condition) when hung on.
• Sets to 'Audible' condition (unmute condition) when off.
PANEL DESCRIPTION

I Function display

q w e
q TRANSMIT INDICATOR
• Appears while transmitting or sending a 5-tone code.
• When internal temperature increases to a specific level,
the transmit indicator blinks to indicate that the power
down circuit has been activated.
w BUSY INDICATOR
Appears while the channel is busy.
e BELL INDICATOR
Appears or blinks when the specified 5-tone call is re-
ceived.
r AUDIBLE INDICATOR
Appears when the channel is in the 'Audible' condition
(unmute condition).
t ALPHANUMERIC DISPLAY
NOTE: When the alphanumeric display blinks transmitting
becomes impossible. In this case check that the antenna is
not mis-matched or that DC battery voltage has not
dropped below 8 V.
r
t
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