PS Engineering Avidyne PMA8000B Instrucciones de operaciones descargar pdf (Pagina 7)

202-890-0402 Rev. 2 Page 7 Oct. 2010 PMA8000B Pilot Guide

Intercom Operation

IntelliVox® VOX-Squelch

No adjustment of the IntelliVox® squelch control is necessary. There

is no field adjustment. Through three individual signal processors, the

ambient noise appearing in all six microphones is constantly being

sampled. Non-voice signals are blocked. When someone speaks, only

their microphone circuit opens, placing their voice on the intercom.

The system is designed to block continuous

tones, therefore people humming or whistling

in monotone may be blocked after a few mo-

ments.

For consistent performance, any headset micro-

phone must be placed within ¼-inch of your

lips, preferably against them. (ref: RTCA/DO-

214, 1.3.1.1 (a)). It is important to have the

microphone element parallel to your mouth,

and not twisted inside the cover.

It is also a good idea to keep the microphone out of a direct wind

path. Moving your head through a vent air stream may cause the In-

telliVox® to open momentarily. This is normal.

The IntelliVox® is designed to work with normal aircraft cabin noise

levels (70 dB and above). Therefore, it may not always recognize

speech and clip syllables in a quiet cabin, such as in the hangar, or

without the engine running. This is also normal.

Intercom Volume Control (7)

The small volume control knob adjusts the loudness of the intercom

for the pilot and copilot. It has no effect on selected radio levels, mu-

sic input levels or passengers' volume level.

The larger, outer volume control knob controls intercom volume or

the passengers. It has no effect on radio or music levels.

Adjust the radios and intercom volume for a comfortable listening

level. Most general aviation headsets today have built-in volume con-

trols; therefore, volume also can be further adjusted at the individual

headset.

Mono Headsets in Stereo Installation

The pilot and copilot positions work with stereo or mono headsets.

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PS Engineering Avidyne PMA8000B Instrucciones de operaciones Pagina 7