Operating instructions
Page 6  202-890-0402  PMA8000B Avidyne Pilot Guide 
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 professional avionics installer for these important configuration 
details. 
Public Address Function 
To access PA function, press the Mute 
and  SPR buttons simultaneously. The 
Mute and SPR LEDs will blink to in-
dicate 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. 
Headset 
Manufacturer 
Model  Part Number 
Bose  Dynamic 
Electret 
M87 
90010 
90015 
90020 
David Clark  H10-30 
H10-20, H10-40 
H10-13.4, 13X 
H20-10X 
90010 
90015 
90015 
90015 
Lightspeed  All  90015 
Peltor  7003 
ANR Pro, 7000 
90010 
90015 
Pilot  11-20, 11-90, 1776, DXL  90015 
Sennheiser  All  90015 
Telex  Airman 750, AIR4000 
AIR3000, Echelon 100 
90010 
90015 
Oregon Aero MicMuff Part Numbers 
Note: For optimum microphone performance, we recommend 
use of a Microphone Muff Kit from Oregon Aero (1-800-888-
6910). This will not only optimize VOX performance, but will 
improve the overall clarity of all your communications. 










