PS Engineering PMA9000EX Pilot’s Guide - Manual (Page 2)

Page 2 PMA9000EX Pilot Guide Revision 5
This pilot guide provides detailed operating instructions for the PS
Engineering PMA9000EX, Audio Selector Panel/Intercom Systems.
Please read it carefully before using the equipment so that you can
take full advantage of its capabilities.
This publication covers the basic operating areas of the PMA9000EX
systems. They are: Com Transceiver Selection, Receive Audio Selec-
tor, Intercom, Marker Beacon Receiver, Music, Front Panel Utility
Jack and Telephone.
PMA9000EX Controls
1.1 Power and Fail-Safe (1)
Unit power is turned on and off by pushing the volume knob. In the
OFF or "EMG" fail-safe position, the pilot headset is connected di-
rectly to Com 1 (will be heard in one ear, with stereo headset) as well
as unswitched input #1. This allows communication capability regard-
less of unit condition. Any time power is removed or turned
OFF , the
audio selector will revert to fail-safe mode.
The power switch controls all audio selector panel functions, inter-
com and marker beacon receiver. All pushbutton selections and menu
modes will be remembered and return to the last state when turned on.
1.1 Communications Transmit (XMT) Selection (2)
The two buttons C1 and C2, (# 2) in the XMT section control which
communications radio is selected for transmitting. Push the lower but-
ton to select the desired COM transmitter. A green LED above the