202-890-0702 Page 19Dec. 2016 PMA8000BT Pilot Guide
mounted on the control yoke or a convenient place by the pilot position.
If installed, this switch will also act as a remote intercom mode control.
When held for one second or more, it cycled through ISO-ALL-CRW mode.
Internal Recorder System
The Intercom Recording System is a continuous loop recorder, (last message
received will be the first heard), the recorder has 45 seconds of recording
time, or up to eight messages. There are no buttons to press to start re-
cording. The system automatically begins
to record the instant the radio selected for
transmit becomes active. Only the pilot and
copilot will hear the playback audio.
To play back the last recorded message, you press and hold the COM RCV
pushbutton associated with the selected radio transmitter for about one sec-
ond. You must wait for the message to stop 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 for one second, the next
earlier message will be heard. If the radio becomes active while a message is
playing, the message playback will stop. The new audio will not be stored.
Press play to restart the message you were playing.
Messages are lost when a different radio is selected for transmit.
The playback will stop whenever there is more incoming selected com audio,
and the message can be replayed from the beginning. Note: an external play-
back button may also be installed in a convenient location.
Public Address Function (if enabled)
To enter PA mode, press both the Mute and SPR buttons at the same time.
The Mute and SPR LEDs will blink to indicate the audio panel is in PA
mode. The copilot can continue to use the selected com while the pilot will
be heard over the speaker. To exit push Mute and SPR again. This mode is
also reset when power is cycled.
Backlighting
The white text backlighting is controlled by the aircraft dimmer, while the
green indication LEDs are automatically controlled by the light sensor on the
PMA8000BT.
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