PS Engineering
PMA7000M-S Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-070-0006 Page 1-1 Rev. 6, Nov 98
1 Section I GENERAL INFORMATION
1.1 INTRODUCTION
The PMA7000M-S represents the next step in cockpit audio control and intercommunica-
tions. Using proprietary IntelliVox™ design, this unit eliminates the requirements for in-
tercom squelch adjustments. The unit is designed for outstanding ergonomics and visually
defined mode annunciation and selection.
Before installing and/or using this product, please read this manual completely. This will
ensure that you will take full advantage of all the advanced features in the PMA7000M-S.
1.2 SCOPE
This manual provides detailed installation and operation instructions for the PS Engineer-
ing PMA7000M-S-series of Audio Selector Panel/Intercom Systems. This includes the
following units:
Model Description Part Number
PMA7000S Stereo Audio Selector Panel 7000S
PMA7000M-S Stereo Audio Panel with Marker 7000MS
Option 1 added to any unit Same as above, with optional recorder and mes-
sage system
Opt.1
Option 2 added to any unit Same as above, with optional recorder and mes-
sage system for Vista Map Software
Opt 2
Option 3 added to any system Black bezel (no silver trim) Opt 3
Where the functions are identical to all units, it will be referred to herein as a PMA7000M-
S. Otherwise, the applicable units will be specified.
1.3 EQUIPMENT DESCRIPTION
The PMA7000M-S-series is a state of the art audio isolation amplifier and audio selector
that contains an automatic voice activated (VOX) intercom system. It can switch up to
three transceivers (Com 1, Com 2 and Com 3) and six receivers (Nav 1, Nav 2, ADF,
DME, MKR and AUX).
The TEL mode allows the PMA7000M-S to act as an audio interface between aircraft
headphone and microphones and specific aircraft approved (FAA/FCC) cellular telephone
equipment.
Warning
: Use of non-aviation approved cellular telephone equipment is prohibited by regulation.
PS Engineering is not responsible for unauthorized use of cellular telephones.
The PMA7000M-S is only interfaced to the Trimble TrimConnect 3100 D at this time.
There are two unswitched inputs, for autopilot disconnect, and/or radar altimeter warning.
Push buttons select the receiver audio source provided to the headphones. A SPR button
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