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3
BASIC OPERATION
3
■ Squelch attenuator
The transceiver has an RF attenuator related to the squelch
level setting. Approx. 10 dB attenuation is obtained at maxi-
mum setting.
The squelch attenuator allows you to set a minimum signal
level needed to open the squelch. The attenuator function can
be deactivated in initial set mode.
➥ Rotate [SQL] clockwise past the 12 o’clock position to ac-
tivate the squelch attenuator.
• Attenuation level can be adjusted up to 10 dB (approx.) between
12 o’clock and fully clockwise position.
• When setting the squelch from the microphone, a level greater
than ‘19’ activates the squelch attenuator.
NOTE: The squelch attenuator functions even when the
monitor function is in use. Thus set [SQL] control within 10
to 12 o’clock position is recommended when using the
monitor function.
D Squelch attenuator setting
qTurn the transceiver power OFF.
wWhile pushing
[SET•LOCK],
turn the power ON to enter ini-
tial set mode.
ePush
[SET•LOCK] or [S.MW•MW] to select “ATT” (squelch
attenuator) item.
rRotate [DIAL] to toggle the function ON and OFF.
• Select “OF” to deactivate the squelch attenuator function.
tPush [PWR] to exit initial set mode.
[PWR]
[SET•LOCK]
USING
INITIAL SET MODE
Squelch is
open.
Squelch
attenuator
Squelch
threshold
Shallow Deep
Noise squelch