VXA-300 PILOT III OPERATING MANUAL
17
ADVANCED OPERATION
Monitor Switch
When listening to a very weak signal from an aircraft or
ground station, you may observe the signal disappearing
periodically as the incoming signal strength becomes too
weak to override the squelch threshold setting.
To disable the squelch temporarily, press and hold the
MONITOR switch for 2 sec-
onds on the left side of the
radio, just below the PTT
switch. The squelch will re-
main open and you should
have a better chance of hear-
ing weak signals.
To return to normal operation, press the MONITOR switch
momentarily.
ANL (Automatic Noise Limiter) Feature
For reduction of impulse noise, such as that produced by
an engine’s ignition system, the ANL feature may prove
helpful. The ANL feature is only activated in the AM mode.
To activate the ANL fea-
ture, press the
[
USER
]
key momentarily. The
“ ” icon will appear
on the display, and you
should observe a reduc-
tion in the ignition noise.
To turn the ANL feature off,
repeat the above step; the
“ ” icon will disappear
from the display.
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