Garmin G900X Pilot's Manual - page 138

190-00726-00  Rev. A

Garmin G900X Pilot’s Guide

4-16

AUDIO PANEL AND CNS

NAV radios are selected for listening by pressing the corresponding keys on the Audio Panel.  Pressing the 

NAV1

 or

 NAV2

 Key

selects and deselects the navigation radio source.  Selected audio can be heard over the headset 

and the speakers (if selected).  Radios can be selected individually or simultaneously.

Figure 4-18  Selecting a NAV Radio Receiver

NAV RECEIVER MANUAL TUNING

The NAV frequency controls and frequency boxes are on the left side of the PFD and MFD.

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 4-19  NAV Frequency Tuning

Press the 

Frequency Transfer

 Key to 

Transfer NAV Frequencies Between 

Active and Standby Frequency Fields

Turn the 

NAV

 Knob to 

Tune the Frequency in 

the Tuning Box

Turn 

VOL/ID

Knob to adjust 

volume.  Press Knob to Turn 

Morse Code On or Off.