I Function Display - Icom IC-F521 Instruction Manual

t DEALER-PROGRAMMABLE KEYS [P0] to [P4]
➥Desired functions can be programmed independently by
your Dealer.
y POWER SWITCH [POWER]
➥Push and hold to turns the power ON and OFF.
• The following functions are available at power ON as options:
- Automatic scan start
- Password prompt
- Set mode
u MICROPHONE CONNECTOR
➥Connect the supplied microphone or optional DTMF micro-
phone for SmarTrunk II™ operation here.
NEVER connect non-specified 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 hung off.
- Sets to 'Inaudible' condition (mute condition) when hung on.
- Sets to 'Audible' condition (un-mute condition) when hung off.
PANEL DESCRIPTION

I Function display

q w e r t y
q TRANSMIT INDICATOR
➥Appears while transmitting or sending a 2/5tone code.
w BUSY INDICATOR
➥Appears while the channel is in busy.
e SIGNAL STRENGTH METER
➥Indicates relative signal strength level.
r LOW POWER INDICATOR
➥Appears when low output power is selected.
t AUDIBLE INDICATOR
➥Appears when the channel is in the 'Audible' condition
(unmute condition).
y COMPANDER INDICATOR
➥Appears when compander function is activated.
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