Garmin GTN 750 Pilot's Guide - Page 74

3.4 Foreword Com Frequency Monitoring The Frequency Monitoring function allows you to listen to the Standby Getting Started frequency in the Com radio, while monitoring the Active frequency for activity. Audio & Xpdr Ctrl Com/Nav FPL Direct-To Proc 1. Touch the Monitor key to listen to the standby frequency. A small "MON" annunciation is displayed to the right of the Standby frequency. A green bar will show on the Monitor key. When the Active frequency receives a signal, the unit will switch automatically to the Active frequency and then switch back to the standby frequency when activity ceases. Frequency Monitor Annunciation Standby Frequency Clear Key Charts Wpt Info Map Com Standby Editing Window Traffic Terrain Weather Nearest Frequency Monitor Key Frequency Transfer (Flip-Flop) Key Music Utilities System Messages Figure 3-19 Com Frequency Monitoring 2. The Monitor function is deactivated when you touch the Monitor key again and the green bar is extinguished. NOTE: The Com radio Monitoring function is different than the Monitor function of the Audio Panel. Symbols Appendix Index 3-14 Garmin GTN 725/750 Pilot's Guide 190-01007-03 Rev. B