ADI AR-446 - Channelized Frequency Display; CHANNEL Display Mode; Normal Frequency Display Mode

5-14 BEEP
The beep can be turned on and off.
Press the F key for longer than 1 second, then press the DTMF key
while the F indicator is flashing.
Each time this is done, the beep is turned on or off.
45.500 S
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Press the key for longer than 1 second.
A aR-146
5-15 LOCK
There are two types of Jock functions.
@MMicrophone key lock
When
the
switch
on
the
rear
of
the
microphone
is
set
to
the
LCOK
position,
all
the
microphone
keys
except
the
PTT
key
are
disabled.
oJ
36
@LOCK
The panel keys (except F and MHz/LOCK key) and the tuning
control are disabled. However, the microphone function works.
Press the F key, then press the MHz/LOCK key within 10 seconds.
The LOCK indicator lights.
To release the lock, press the F key
MHz/LCOK key within 10 seconds.
again, then press the