Garmin GTN 750 Pilot's Guide - Page 42

Foreword Getting Started Audio & Xpdr Ctrl Com/Nav FPL Direct-To 2.1.1 Proc Charts Wpt Info Map Traffic Terrain 2.1.2 Weather Nearest Music 2.1.3 Utilities System Messages Symbols Appendix Index 2-2 Active XPDR Mode Ident VFR XPDR 1 XPDR 2 Standby 1200 Ground On Altitude Reporting Figure 2-2 XPDR Functional Diagram Select Transponder 1. Touch the Active XPDR key to activate the desired transponder by stepping through the available transponders. Active Transponder Figure 2-3 Active Transponder Indication 2. The active transponder will be shown on the key. IDENT 1. Touch the IDENT key once to reply with an identifying squawk code. 2. The IDENT key text will change to green to indicate active Ident. Standby 1. Touch the Standby key to place the transponder into Standby mode. The transponder will still be powered, but will not transmit information. The active transponder indication and Ident annunciation will be grayed to show they are disabled. Active XPDR and IDENT Disabled Transponder Operation "Standby" Mode Figure 2-4 Transponder Mode "Standby" Indication Garmin GTN 725/750 Pilot's Guide 190-01007-03 Rev. B