190-00820-08 Rev. ACirrus Perspective™ by Garmin – Pilot’s Guide for the SR20/SR22/SR22T124AUDIO PANEL AND CNSSYSTEMOVERVIEWFLIGHTINSTRUMENTSEISAUDIO PANEL& CNSFLIGHTMANAGEMENTHAZARDAVOIDANCEAFCSADDITIONALFEATURESAPPENDICESINDEXNAV radios are selected for listening by pressing the corresponding keys on the Audio Panel. Pressing theNAV1, NAV2, or AUX Key (NAV1, NAV2, DME, or ADF Key on the GMA 347) selects and deselects the navigationradio source. Selection of the AUX Key selects and deselects the ADF and DME (if equipped). Selected audio can beheard over the headset and the speakers (if selected).Figure 4-22 Selecting a NAV Radio ReceiverGMA 350GMA 347NAV RECEIVER MANUAL TUNINGThe NAV frequency controls and frequency boxes are on the left side of the PFDs.Manually tuning a NAV frequency:1) Turn the NAV Knob to tune the desired frequency in the NAV Tuning Box.2) Press the Frequency Transfer Key to transfer the frequency to the NAV Active Frequency Field.3) Adjust the volume level with the NAV VOL/ID Knob.4) Press the NAV VOL/ID Knob to turn the Morse code identifier audio on and off.Figure 4-23 NAV Frequency TuningPress theFrequency Transfer Key toTransfer NAV Frequencies BetweenActive and Standby Frequency FieldsTurn theNAV Knob toTune the Frequency inthe Tuning FieldTurnVOL/ID Knob to adjustvolume. Press Knob to TurnMorse Code On or Off.
