PS Engineering
PMA7000B Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-780-0004 Page 3-7 Feb. 2004
the preceding recorded message. You must wait for the message to finish playing before accessing the
prior message. To cancel the playback, press and hold the playback button for two seconds. The next time
the button is pressed, the next earlier message will be heard.
3.10 Audio Messaging system (Option 1)
When this option is installed, the PMA7000B contains six stored messages. An outside annunciator, such
as an Electronics International engine gage system triggers these messages. When there is an announce-
ment, it will be repeated every two seconds until the remote- mounted ACK button is pushed. This stops
the played annunciation, until the next announcement is required (the next falling edge).
3.10.1 Concurrent Messages
When a recorded message or audio annunciation is playing, the other audio source is momentarily inhib-
ited. For instance, if an IRS message is being played, the audio annunciation will not begin until the IRS
message is finished. Conversely, the IRS recording cannot be played as long as there is an aural alert being
played. There is no recording made if playing a recording or annunciation.
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