PS Engineering
PMA8000BT Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-890-0702 Page 1-2 Rev. 1, Oct. 2010
The small volume knob controls the intercom level for the pilot and copilot, while the large knob controls
the passenger intercom volume. Intercom squelch is automatic.
A 3-light, 75 MHz Marker Beacon receiver is integrated in the PMA8000BT. This provides the necessary
Marker Beacon lights and audio indications necessary for that portion of an Instrument Landing System
(ILS) approach. A pushbutton labeled MKR allows the pilot select high or low sensitivity as well as test
and mute modes.
In the PMA8000BT, a Bluetooth® wireless interface is available for wireless telephone and music connec-
tion.
1.4 APPROVAL BASIS
FAA TSO Approval.
The PMA8000BT-series Audio Selector Panels are FAA approved under TSO C50c (Audio Amplifiers)
and TSO C35d (Marker Beacon Receivers), ETSO C50C/ and 2C53d.
All systems comply with relevant portions of EUROCAE RTCA MPS WG No. 7/70, DO-143 and (Marker
Beacon Receivers), ED-14C/DO-160C (Environmental Conditions and Test Procedures for Airborne
Equipment), ED12B/DO-178B, Level D (Software Considerations for Airborne Equipment) and ED-
18/DO-214 (Audio Systems Characteristics and Minimum Operational Performance Standards for Air-
craft Audio Systems).
Operation is subject to the following conditions:
This device may not cause harmful interference.
This device must accept any interference received, including interference that may cause undesired opera-
tion.
1.5 SPECIFICATIONS