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Garmin GTR 225 GTR 255/255A/255B Pilot’s Guide - Page 22

Editing a Com User Frequency

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3.2.2.3 2. Press the ENT key to confirm deletion of the displayed frequency. Editing a Com User Frequency 1. Press FUNC. Turn the LARGE knob to reach the Com functions and then turn the SMALL knob to select the Com User Frequencies. Press ENT. Select User Freqs Figure 3-5 Com User Frequency Function 2. Press the CRSR (SMALL knob) to start editing the Com User frequency. Turn the SMALL knob to select the MHz values and turn the LARGE knob to move the cursor and then the SMALL knob to select kHz values. Select User Freq Value Figure 3-6 Com User Frequency Value Selection 3. Turn the LARGE knob to select the Wpt Name.Turn the SMALL knob to select characters and turn the LARGE knob to move the cursor. Select User Wpt Name Figure 3-7 Com User Frequency Name Selection 4. After selecting the desired characters, press ENT. 5. Turn the LARGE knob to select the Waypoint Type field. 6. Turn the SMALL knob to select the Waypoint Type. Select Wpt Type Figure 3-8 Com User Frequency Type Selection 7. After selecting the Waypoint Type, press ENT to accept changes to the User Frequency. 3-4 Garmin GTR 225/225A/225B Pilot's Guide 190-01182-00 Rev. A

Section	Page
Product Registration and Support	6
1 Getting Started	9
1.1 Product Description	9
1.2 Pilot Controls	10
1.2.1 Power/Com Volume/Squelch Knob	10
1.2.2 Tuning LARGE/SMALL Concentric (Cursor) Knobs	11
1.2.3 FLIP/FLOP Key	11
1.2.4 Com Key	11
1.2.5 MEM Key	11
1.2.6 ICS Key	11
1.2.7 CLR (Clear) Key	11
1.2.8 ENT (Enter) Key	11
1.2.9 FUNC (Function) Key	12
1.2.10 MON (Monitor) Key	12
1.3 USB Port	12
2 Basic Operation	13
2.1 Power On	13
2.2 Com Radio	13
2.2.1 Selecting a Com Frequency	13
2.2.2 Monitoring the Standby Com Channel	14
2.2.3 Saving a Com Channel	14
2.2.4 Com Database Look-Up	16
2.2.5 Emergency Channel	16
2.2.6 Stuck Mic	17
2.2.7 Frequency Database Reverse Look-Up	17
2.2.8 Remote Frequency Selection Control	17
3 Functions	19
3.1 Functions Description	19
3.2 Com Frequencies	20
3.2.1 Recent Com Frequencies	20
3.2.2 Com User Frequencies	21
3.2.2.1 Viewing the Com User Frequency	21
3.2.2.2 Deleting the Com User Frequency	21
3.2.2.3 Editing a Com User Frequency	22
3.2.3 Com Database Frequencies	23
3.2.4 Com Nearest Airports (APT)	24
3.2.5 Com Nearest Area Control Center (ACC) Frequencies	24
3.2.6 Com Nearest Flight Service Station (FSS) Frequencies	25
3.2.7 Com Nearest Weather (WX) Frequencies	26
3.3 ICS Configuration	27
3.3.1 Adjust Intercom	27
3.3.2 Aux Audio	28
3.3.3 Intercom On/Off	29
3.3.4 Speaker On/Off	29
3.4 System Configuration	30
3.4.1 Com Spacing	30
3.4.2 Display Brightness	31
3.4.3 Display Contrast	32
3.4.4 Database Info	32
3.4.5 Load Database	33
3.4.6 Software Version	34
3.4.7 Serial Number	34
3.5 Timers	35
3.5.1 Setting Up the Count Down Timer	35
3.5.2 Setting Up the Count Up Timer	36
3.5.3 Viewing Timers in the Com Display	36
4 Appendix	39
4.1 Troubleshooting	39
4.2 Updating the Frequency Database	41
4.2.1 Downloading the Frequency Database	41
4.2.2 Updating the GTR 225 Frequency Database	41
4.3 Messages	42