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Garmin GTR 225/225A/225B Pilot’s Guide
190-01182-00 Rev. A
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