PS Engineering PMA8000BT NUI Pilot’s Guide - Manual (Page 19)

202-890-0702 Page 19 Sept. 2014 PMA8000BT Pilot Guide
without having to reach up to the audio panel, and is a handy way to switch
to Ground Control when exiting the runway. This optional switch is usually
mounted on the control yoke or a convenient place by the pilot position.
Internal Recorder System
The Intercom Recording System is a con-
tinuous loop recorder, (last message re-
ceived 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 recording. The system
automatically begins to record the instant the radio selected for transmit be-
comes 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.