Vertex Standard VXA-150 Specifications download pdf (Page 19)

VXA-300 PILOT III OPERATING MANUAL

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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Vertex Standard VXA-150 Specifications Page 19