PS Engineering Avidyne PMA8000B Betriebsanleitung PDF herunterladen (Seite 6)

Page 6 Rev. 3

PMA8000B MP3 for Avidyne Entegra R9

lected. Except for the unswitched audio, the speaker amplifier is not

active in the "Split Mode”.

Unswitched audio 1, 3 and 4 (the inputs dedicated to autopilot discon-

nect, altimeter warning, etc.) may come through the speaker regard-

less of the speaker mode.

Depending on installation, important audio annunciations such as ra-

dar altimeter or autopilot disconnect will come over the speaker even

if it is not selected, while other unswitched, but muted inputs, such as

GPS alerts, will only be present if the SPR button is selected. Consult

your avionics installer for these impor-

tant configuration details.

Public Address Function

To access PA function, press the Mute

and SPR buttons simultaneously. The

Mute and SPR LEDs will blink to indi-

cate the audio panel is in PA mode. The

copilot can continue to use the selected com radio while the pilot will

now be heard over the speaker. To exit PA mode, push Mute and

SPR again.

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 microphone 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 par-

allel 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-

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PS Engineering Avidyne PMA8000B Betriebsanleitung Seite 6