190-00592-06 Rev. AGarmin G1000 Pilot’s Guide for the Diamond DA40/40F104AUDIO PANEL AND CNSSYSTEMOVERVIEWFLIGHTINSTRUMENTSEISAUDIO PANEL& CNSFLIGHTMANAGEMENTHAZARDAVOIDANCEAFCSADDITIONALFEATURESAPPENDICESINDEXAUTOMATIC SqUELCHAutomatic Squelch quiets unwanted static noise when no audio signal is received, while still providing goodsensitivity to weak COM signals. To disable Automatic Squelch, press the VOL/SQ Knob. When AutomaticSquelch is disabled, COM audio reception is always on. Continuous static noise is heard over the headsets andspeaker, 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.Figure 4-15 Overriding Automatic SquelchSquelchIndicationPress the COMVOL/SQ Knob to turn offAutomatic Squelch.Press again to restoreAutomatic Squelch.VOLUMECOM radio volume level can be adjusted from 0 to 100% using the VOL/SQ Knob. Turning the knobclockwise 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 afterthe change.Figure 4-16 COM Volume LevelCOM VolumeLevel Remains forTwo Seconds
