Power switch (1) (emg-fail safe operation), Communications transmit (xmt) selection (2) – PS Engineering PMA8000MP3 Pilot’s Guide User Manual
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Revision 6
PMA8000B MP3
This pilot guide provides detailed operating instructions for the PS
Engineering PMA8000B MP3, Audio Selector Panel/Intercom.
This publication covers the basic operating areas of the PMA8000B
MP3 systems. They are Com Transceiver Selection, Audio Selector,
Intercom, Marker Beacon Receiver, utility jack, MP3 player and the
configuration buttons.
PMA8000B MP3 controls
Power Switch (1) (EMG-Fail Safe Operation)
You turn the unit on an off by pressing the volume control on the left
side of the panel.
The power switch controls all audio selector panel functions, inter-
com and marker beacon receiver. The audio selections will be remem-
bered and return to the last state when the unit is turned on.
Either when the unit is turned off, by pressing the volume control, or
if the breaker is pulled removing power, the PMA8000B MP3 is in
Fail-Safe mode. In this mode, the pilot’s headset is connected to Com
1 for transmit and receive, and connected to unswitched input #1 for
priority audio alerts. The fail safe audio will only be heard in the left
ear of a stereo headset.
Communications Transmit (XMT) Selection (2)
There are two pushbuttons associated with each communication radio.
The two lower buttons (# 2) (XMT) control which radio is selected
for transmit. The top row of pushbuttons (# 3) (RCV) allows selection