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AUDIO PANEL AND CNS
AUTOMATIC SqUELCH
Automatic Squelch quiets unwanted static noise when no audio signal is received, while still providing good
sensitivity to weak COM signals. To disable Automatic Squelch, press the VOL/SQ Knob. When Automatic
Squelch is disabled, COM audio reception is always on. Continuous static noise is heard over the headsets and
speaker, if selected. Pressing the VOL/SQ Knob again enables Automatic Squelch.
When Automatic Squelch is disabled, a white SQ appears next to the COM frequency.
VOLUME
COM radio volume level can be adjusted from 0 to 100% using the VOL/SQ Knob. Turning the knob
clockwise increases volume, turning the knob counterclockwise decreases volume. When adjusting volume,
the level is displayed in place of the standby frequencies. Volume level indication remains for two seconds after
the change.
104
Squelch
Indication
Figure 4-15 Overriding Automatic Squelch
Figure 4-16 COM Volume Level
Garmin G1000 Pilot's Guide for the Diamond DA40/40F
Press the COM VOL/
SQ Knob to turn off
Automatic Squelch.
Press again to restore
Automatic Squelch.
COM Volume
Level Remains for
Two Seconds
190-00592-06 Rev. A
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