2
PMA7000M Pilot
202-780-0604 Jan 2015
OPERATION
SCOPE
This section provides detailed operating instructions for the PS Engineering
PMA7000M Audio Selector Panel/Intercom Systems. Please read it care-
fully before using the equipment so that you can take full advantage of its
capabilities.
This chapter is divided into four sections covering the basic operating areas
of the PMA7000M systems. They are Audio Selector, Transceiver Selec-
tion, Intercom, and Marker Beacon Receiver.
PMA7000M controls
Power Switch (EMG-Fail Safe Operation)
Unit power is turned on and off by pushing the volume knob. In the
OFF
or
"
EMG
" position, the pilot is connected directly to Com 1. This allows
communication capability regardless of unit condition. Any time power is
removed or turned
OFF
, the audio selector will be placed in the fail-safe
mode.
The power switch also controls the audio selector panel functions, inter-
com, and marker beacon receiver.
Microphone (XMT) Selection
There are six pushbuttons associated with the communications transceivers.
The lower buttons control which transceiver is selected for transmit.
