Garmin GTR 225 Pilot's Manual page 8

3.2.3 Com Database Frequencies .................................................... 3-5
3.2.4 Com Nearest Airports (APT) ................................................... 3-6
3.2.5 Com Nearest Area Control Center (ACC) Frequencies ............. 3-6
3.2.6 Com Nearest Flight Service Station (FSS) Frequencies ............. 3-7
3.2.7 Com Nearest Weather (WX) Frequencies ................................ 3-8
3.3 ICS Configuration ................................................................................ 3-9
3.3.1 Adjust Intercom ..................................................................... 3-9
3.3.2 Aux Audio ........................................................................... 3-10
3.3.3 Intercom On/Off .................................................................. 3-11
3.3.4 Speaker On/Off .................................................................... 3-11
3.4 System Configuration ......................................................................... 3-12
3.4.1 Com Spacing ....................................................................... 3-12
3.4.2 Display Brightness ............................................................... 3-13
3.4.3 Display Contrast .................................................................. 3-14
3.4.4 Database Info ...................................................................... 3-14
3.4.5 Load Database .................................................................... 3-15
3.4.6 Software Version ................................................................. 3-16
3.4.7 Serial Number ..................................................................... 3-16
3.5 Timers ............................................................................................... 3-17
3.5.1 Setting Up the Count Down Timer ........................................ 3-17
3.5.2 Setting Up the Count Up Timer ............................................ 3-18
3.5.3 Viewing Timers in the Com Display ....................................... 3-18
4 Appendix ..............................................................................................4-1
4.1 Troubleshooting ................................................................................... 4-1
4.2 Updating the Frequency Database ........................................................ 4-3
4.2.1 Downloading the Frequency Database ................................... 4-3
4.2.2 Updating the GTR 225 Frequency Database ........................... 4-3
4.3 Messages ............................................................................................ 4-4
Index .....................................................................................................Index-1
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Garmin GTR 225/225A/225B Pilot's Guide
190-01182-00 Rev. A