Garmin G1000 Cockpit Reference Guide for the Hawker Beechcraft C90A/GT/GTi190-00664-02 Rev. B 5Nav/Com/XPDR/Audio PanelFlightInstrumentsNav/Com/XPDR/Audio AFCS GPS NavFlightPlanning ProceduresHazardAvoidanceAdditionalFeatures Annun/Alerts Appendix IndexNAV/COM/TRANSPONDER/AUDIO PANELADF TUNING (OPTIONAL)Tune the ADF using the remote ADF control head.DME TUNING1) Press the DME Softkey.2) Turn the large FMS to select the DME source field.3) Turn the small FMS Knob to select the desired Nav radio.4) Press the ENT Key to complete the selection.ENTER A TRANSPONDER CODE1) Press the XPDR Softkey to display the transponder mode selection softkeys.2) Press the XPDR1 or XPDR2 Softkey to select the active transponder.3) Press the CODE Softkey to display the transponder code selection softkeys,for digit entry.4) Press the digit softkeys to enter the code in the code field. When enteringthe code, the next key in sequence must be pressed within 10 seconds, orthe entry is cancelled and restored to the previous code. Five seconds afterthe fourth digit has been entered, the transponder code becomes active.ACTIVATE ADS-B TRANSMIT1) Press the XPDR Softkey to display the transponder mode selection softkeys.2) Press the ADS-B TX Softkey to enable transmission of three-dimensionalaircraft position and aircraft heading.3) Press the ADS-B TX Softkey again to disable transmission.SELECTING A COM RADIOTransmit/ReceivePress the COM1 MIC, COM2 MIC, or COM3 MIC Key (optional COM, ifinstalled) on the audio panel.