Garmin G1000 Cockpit Reference Guide for the Cessna Nav III 190-00384-09 Rev. A5-4SECTION 5 – AUDIO PANEL5.7 INTERCOM SQUElCh CONTROlSelect manual squelch for intercom audio by pressingthe MAN SQ Key to light the annunciator.Pressing the small VOL/SQ Knob now switches be-tween volume and squelch adjustment by lighting VOLor SQ respectively.Figure 5-8 Volume/Squelch Control5.8 DIGITAl ClEARANCE RECORDERAND PlAYEREach reception of primary active COM audio isautomatically recorded in a memory block. When the nexttransmission is received, it is recorded in the next memoryblock, and so on. Once the 2.5 minutes of recording timehas been reached, the recorder begins recording over thestored memory blocks, starting from the oldest block.Powering off the unit automatically clears all recordedblocks.Figure 5-9 Clearance Recorder Play Key• Pressing the PLAY Key once plays the latest recordedmemory block, then returns to normal operation.• Pressing the MKR/MUTE Key while playing amemory block stops play.• Pressing the PLAY Key during play begins playingthe previously recorded memory block. Eachsubsequent press of the PLAY Key begins playingthe next previously recorded block.If a COM input signal is detected while playing, playis halted and the new COM input signal is recorded as thelatest block.
