Operating instructions
Page 2    Rev. 3 
PMA8000B MP3 for Avidyne Entegra R9 
This pilot guide provides detailed operating instructions for the PS 
Engineering PMA8000B MP3, (P/N 050-890-0403) Audio Selector 
Panel/Intercom System, designed exclusively for use with the 
Avidyne Entegra Release 9 Integrated Avionics System. 
This publication covers the basic operating areas of the PMA8000B 
MP3 systems. They are Com Transceiver Selection, Audio Selector, 
Intercom, and Marker Beacon Receiver, utility jack and the configu-
ration buttons. 
PMA8000B MP3 controls 
Power Switch (1) (EMG-Fail Safe Operation) 
Unit power is turned on and off by pushing the volume knob. In the 
OFF or "EMG" position, the pilot headset is connected directly to 
Com 1 as well as unswitched input #1. This allows communication 
capability regardless of unit condition. Any time power is removed or 
turned 
OFF, the audio selector will revert to fail-safe mode. 
Note, with a stereo headset, the audio will be present in only one ear. 
The power switch controls all audio selector panel functions, inter-
com and marker beacon receiver. All pushbutton selections will be 
remembered and return to the last state when turned on. 
Communications Transmit (XMT) Selection (2) 
There are two pushbuttons associated with the transmitter selection. 
The two lower buttons (# 2) control which transceiver is selected for 
transmit. The top row of pushbuttons (# 3) allows selection of the re-










