User Guide

190-00592-02 Rev. A Garmin G1000 Pilot’s Guide for the Diamond DA40/40F 4-14
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.
Pressing the COM
VOL/SQ
Knob turns
off Automatic
Squelch. Pressing
again restores
Automatic Squelch.
Figure 4-16 Overriding Automatic Squelch
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.
Figure 4-17 COM Volume Level
COM Volume Level
Remains for Two
Seconds