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Communications antenna installation notes, Audio active output, Ommunications – PS Engineering PMA8000MP3 Installation Manual User Manual

Page 17: Ntenna, Nstallation, Otes, Udio, Ctive, Utput

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PS Engineering

PMA8000B-MP3 Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-890-0600

Page 2-10

Rev. 6, Oct. 2010

2.8 Communications Antenna Installation Notes

For best results using the in Split Mode, it is recommended that the one VHF communications antenna is
located on top of the aircraft while the other communications antenna is installed on the bottom. Any an-
tenna relocation must be accomplished in accordance with AC 43.13 -2B, aircraft manufacturers’ recom-
mendations and FAA-approved technical data.

WARNING

It is probable that radio interference will occur in the split mode when the frequencies of the two ai r-
craft radios are adjacent, and/or the antennas are physically close together. PS Engineering makes
no expressed or implied warranties regarding the suitability of the PMA8000B-MP3 in Split
Mode.

2.8.1

Audio Active Output

Pin 24 on the J1 connector (and PA Mute Pin 12 on J2) should be connected to Apollo CNX80 for audio
message prioritization, refer to CNX80 installation manual for details.