OPERATION
DIGITAL CLEARANCE RECORDER WITH
PLAYBACK CAPABILITY
The GMA 1347 provides a digital clearance recorder
with playback capability of up to 2.5 minutes of COM sig-
nal recording. Recorded COM signals are stored in sepa-
rate memory blocks. Signals from all of the selected COM
radios are recorded and can be played back. Anyone able
to hear the selected COM radios is able to hear the COM
signal playback.
Once the 2.5 minutes of recording time have been
reached, the recorder begins recording over the stored
memory blocks, starting from the oldest block. Powering
off the unit automatically clears all recorded blocks.
NOTE: In split COM mode the pilot or copilot
COM audio can be configured for recording and
playback. Contact a Garmin-authorized service
center for details.
6A-14
Figure 6A.3.7 Playback
Garmin G1000 Audio Panel Pilot's Guide
The PLAY key controls the playback function.
• Pressing PLAY once plays back the latest recorded
memory block, then returns to normal operation.
• Pressing PLAY during playback of a memory block
halts the playback of this block and plays back the
preceding recorded block. The PLAY key can be
used to backtrack through the recorded memory
blocks to reach and play back any desired block.
NOTE: Pressing the MKR/MUTE key during
playback halts playback and returns the recorder/
playback to normal operation.
During playback, the PLAY annunciator light blinks
approximately once per second. If a COM input signal is
detected during playback, playback is halted and the new
COM input signal is recorded as the latest block.
NOTE: The recorder can be disabled using an
external switch or permanently disabled by a
Garmin-authorized service center.
NOTE: If the COM muting on receive option
is enabled, only the primary COM radio signal
reception is recorded by the digital clearance
recorder.
190-00378-02 Rev. A
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