190-00692-00 Rev. BGarmin G1000 Pilot’s Guide for Piper PA324-26AUDIO PANEL AND CNSFigure 4-30 Transponder Softkeys (PFD)Pressing the IDENT or BACK Softkeyreturns to the top-level softkeys.ALERTSALERTSBACKBKSPIDENT76543210STBY ON ALT VFR CODE IDENT BACKXPDR IDENTPressing the IDENT Softkey returns to the top-level softkeys.Pressing the BACK Softkey returns to the mode selection softkeys.GNDTRANSPONDER MODE SELECTIONMode selection can be automatic (Ground and Altitude Modes) or manual (Standby, ON, and Altitude Modes).The STBY, ON, and ALT Softkeys can be accessed by pressing the XPDR Softkey.Selecting a transponder mode:1) Press the XPDR Softkey to display the Transponder Mode Selection Softkeys.2) Press the desired softkey to activate the transponder mode.GROUND MODEGround Mode is normally selected automatically when the aircraft is on the ground. The transponderpowers up in the last mode it was in when shut down. Ground Mode can be overridden by pressing any oneof the Mode Selection Softkeys. A green ‘GND’ indication and transponder code appear in the mode field ofthe Transponder Data Box. In Ground Mode, the transponder does not allow Mode A and Mode C replies,but it does permit acquisition squitter and replies to discretely addressed Mode S interrogations.When Standby Mode has been selected on the ground, the transponder can be returned to Ground Modeby pressing the GND Softkey.GNDModeFigure 4-31 Ground Mode
