
Page 12 202-890-0402 PMA8000B Avidyne Pilot Guide
mary function as a selector panel, aircraft intercom, or marker beacon
receiver. You can’t do anything with these buttons to prevent the
PMA8000B from doing its main job.
Looking at the front panel you’ll notice that the Mon 1, Mon 2, Mute
and SPR buttons have “Function” assignments.
To use these function keys A, B, C – press and hold “F” (Mon 1) and
then press the desired key, “A” “B” or “C”.
There are three special functions. Function Button “A” is related to
the intercom function, and allows the crew to mute passengers’ inter-
com feed when radios are active.
Function Buttons “B” and “C” control how music is distributed in
your airplane.
Function A
Mon 2
Function B
MUTE
Function C
SPR
Intercom Mode Music 1
Propagation
Music Distribution
State 1 State 2 State 1 State 2 State 1 State 2
“Alternate
intercom
function
”
“Standard
Intercom
Function”
“Music #1
all head-
sets”
“Music
#1 distri-
bution
crew.”
“Standard
Music
Distribu-
tion
“Alternate
music
distribu-
tion ”
Button Function Table
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