GTR 255/255A/255B Pilot’s Guide
Page 4
... safe for anti-reflective coatings. WARNING: For safety reasons, GTR 225 operational procedures must be updated regularly in order to skin oils, waxes, and abrasive cleaners. NOTE: This device complies with 8.33 kHz COM channel spacing, the radio should only be made by an authorized Garmin service center. Databases used in the system must be...
... safe for anti-reflective coatings. WARNING: For safety reasons, GTR 225 operational procedures must be updated regularly in order to skin oils, waxes, and abrasive cleaners. NOTE: This device complies with 8.33 kHz COM channel spacing, the radio should only be made by an authorized Garmin service center. Databases used in the system must be...
GTR 255/255A/255B Pilot’s Guide
Page 5
...should be notified of product updates and new products and provides lost or stolen unit tracking. A Garmin GTR 225/225A/225B Pilot's Guide iii This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in a particular installation. If this device is coated... our on the Home page. NOTE: This device complies with Canadian Radio Specifications Standard 102 (RSS 102), RF field strength exposure to persons from an antenna connected to our web site (www.garmin.com) and look for our Product Registration link on -line registration form ...
...should be notified of product updates and new products and provides lost or stolen unit tracking. A Garmin GTR 225/225A/225B Pilot's Guide iii This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in a particular installation. If this device is coated... our on the Home page. NOTE: This device complies with Canadian Radio Specifications Standard 102 (RSS 102), RF field strength exposure to persons from an antenna connected to our web site (www.garmin.com) and look for our Product Registration link on -line registration form ...
GTR 255/255A/255B Pilot’s Guide
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...Garmin GTR 225/225A/225B Pilot's Guide v Contents Product Registration and Support iv 1 Getting Started 1-1 1.1 Product Description 1-1 1.2 Pilot Controls 1-2 1.2.1 Power/Com Volume/Squelch Knob 1-2 1.2.2 Tuning LARGE/SMALL Concentric (Cursor) Knobs 1-3 1.2.3 FLIP/FLOP Key 1-3 1.2.4 Com... 1-4 1.3 USB Port 1-4 2 Basic Operation 2-1 2.1 Power On 2-1 2.2 Com Radio 2-1 2.2.1 Selecting a Com Frequency 2-1 2.2.2 Monitoring the Standby Com Channel 2-2 2.2.3 Saving a Com Channel 2-2 2.2.4 Com Database Look-Up 2-4 2.2.5 Emergency Channel 2-4 2.2.6 Stuck Mic 2-5 2.2.7 Frequency ...
...Garmin GTR 225/225A/225B Pilot's Guide v Contents Product Registration and Support iv 1 Getting Started 1-1 1.1 Product Description 1-1 1.2 Pilot Controls 1-2 1.2.1 Power/Com Volume/Squelch Knob 1-2 1.2.2 Tuning LARGE/SMALL Concentric (Cursor) Knobs 1-3 1.2.3 FLIP/FLOP Key 1-3 1.2.4 Com... 1-4 1.3 USB Port 1-4 2 Basic Operation 2-1 2.1 Power On 2-1 2.2 Com Radio 2-1 2.2.1 Selecting a Com Frequency 2-1 2.2.2 Monitoring the Standby Com Channel 2-2 2.2.3 Saving a Com Channel 2-2 2.2.4 Com Database Look-Up 2-4 2.2.5 Emergency Channel 2-4 2.2.6 Stuck Mic 2-5 2.2.7 Frequency ...
GTR 255/255A/255B Pilot’s Guide
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A Garmin GTR 225/225A/225B Pilot's Guide 1-1 The GTR 225 (10 watt) Com radio operates in the aviation voice band, from 118.000 to monitor the standby Com frequencies. For European operations, the additional Com radio configuration of 8.33 kHz steps is provided with the GTR 225A (10 watt) and GTR 225B (16 watt). 1 GETTING STARTED 1.1 Product Description The GTR 225 Com Radio series provides a powerful VHF...
A Garmin GTR 225/225A/225B Pilot's Guide 1-1 The GTR 225 (10 watt) Com radio operates in the aviation voice band, from 118.000 to monitor the standby Com frequencies. For European operations, the additional Com radio configuration of 8.33 kHz steps is provided with the GTR 225A (10 watt) and GTR 225B (16 watt). 1 GETTING STARTED 1.1 Product Description The GTR 225 Com Radio series provides a powerful VHF...
GTR 255/255A/255B Pilot’s Guide
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... upper left corner of the bezel controls audio volume for the Com radio. When the Com radio is overridden. 1-2 Garmin GTR 225/225A/225B Pilot's Guide 190-01182-00 Rev. Press the Power/Com Volume/Squelch knob again to return to access sophisticated functionality. 1.2 Pilot Controls The GTR 225 controls have been designed to simplify operation of the system and...
... upper left corner of the bezel controls audio volume for the Com radio. When the Com radio is overridden. 1-2 Garmin GTR 225/225A/225B Pilot's Guide 190-01182-00 Rev. Press the Power/Com Volume/Squelch knob again to return to access sophisticated functionality. 1.2 Pilot Controls The GTR 225 controls have been designed to simplify operation of the system and...
GTR 255/255A/255B Pilot’s Guide
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Switching between Com frequencies is disabled while you are used for Intercom On/Off, AUX Audio, or the Intercom settings. 1.2.7 CLR (Clear) Key Pressing the CLR key erases ... are transmitting. 1.2.4 Com Key Press the COM key to return to the Com radio mode. 1.2.5 MEM Key Press the MEM key to recall and toggle between the Com Recent and User Frequency lists. 1.2.6 ICS Key Press the ICS key to toggle display of the ICS settings for tuning frequencies and data entry. A Garmin GTR 225/225A/225B Pilot...
Switching between Com frequencies is disabled while you are used for Intercom On/Off, AUX Audio, or the Intercom settings. 1.2.7 CLR (Clear) Key Pressing the CLR key erases ... are transmitting. 1.2.4 Com Key Press the COM key to return to the Com radio mode. 1.2.5 MEM Key Press the MEM key to recall and toggle between the Com Recent and User Frequency lists. 1.2.6 ICS Key Press the ICS key to toggle display of the ICS settings for tuning frequencies and data entry. A Garmin GTR 225/225A/225B Pilot...
GTR 255/255A/255B Pilot’s Guide
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... the FUNC key once displays the Function mode. NOTE: Garmin recommends the use of a USB 2.0 compatible USB flash drive for the following: the Com Radio, ICS Configuration, System Configuration, and Timer. 1.2.9 FUNC (Function) Key The FUNC (Function) key accesses function categories for updating the database. 1-4 Garmin GTR 225/225A/225B Pilot's Guide 190-01182-00 Rev.
... the FUNC key once displays the Function mode. NOTE: Garmin recommends the use of a USB 2.0 compatible USB flash drive for the following: the Com Radio, ICS Configuration, System Configuration, and Timer. 1.2.9 FUNC (Function) Key The FUNC (Function) key accesses function categories for updating the database. 1-4 Garmin GTR 225/225A/225B Pilot's Guide 190-01182-00 Rev.
GTR 255/255A/255B Pilot’s Guide
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... on or, if installed, turning on the master switch that powers the radios. 2.2 Com Radio 2.2.1 Selecting a Com Frequency New frequencies are first selected as a Standby frequency and then toggled to decrease the frequency values. A Garmin GTR 225/225A/225B Pilot's Guide 2-1 The MHz selection range is between 000 and...frequency display, use the LARGE and SMALL knobs on the top line of the GTR 225 to a position source, nearby station identifiers will be shown for the selected frequency. The COM annunciator on the right side of the display will have an asterisk next to change...
... on or, if installed, turning on the master switch that powers the radios. 2.2 Com Radio 2.2.1 Selecting a Com Frequency New frequencies are first selected as a Standby frequency and then toggled to decrease the frequency values. A Garmin GTR 225/225A/225B Pilot's Guide 2-1 The MHz selection range is between 000 and...frequency display, use the LARGE and SMALL knobs on the top line of the GTR 225 to a position source, nearby station identifiers will be shown for the selected frequency. The COM annunciator on the right side of the display will have an asterisk next to change...
GTR 255/255A/255B Pilot’s Guide
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... unit's Standby frequency box. HOLD REMOTE COM TRANSFER KEY TO EXIT." Alerts will display until a Com FLIP/FLOP switch (either bezel-mounted or remote (COM RMT XFR) is released. A Garmin GTR 225/225A/225B Pilot's Guide 2-5 NOTE: Pressing and holding the Com Remote Transfer (COM RMT XFR) key for approximately two seconds...configured for the same type. Waypoint Types with the main system, the radio will automatically tune to 121.50 MHz for transmit and receive regardless of the displayed frequency. 2.2.6 Stuck Mic The GTR 225 helps protect you from the bottom of the list back up to ...
... unit's Standby frequency box. HOLD REMOTE COM TRANSFER KEY TO EXIT." Alerts will display until a Com FLIP/FLOP switch (either bezel-mounted or remote (COM RMT XFR) is released. A Garmin GTR 225/225A/225B Pilot's Guide 2-5 NOTE: Pressing and holding the Com Remote Transfer (COM RMT XFR) key for approximately two seconds...configured for the same type. Waypoint Types with the main system, the radio will automatically tune to 121.50 MHz for transmit and receive regardless of the displayed frequency. 2.2.6 Stuck Mic The GTR 225 helps protect you from the bottom of the list back up to ...
GTR 255/255A/255B Pilot’s Guide
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... change active frequency Display shows "Com Radio Needs Service" at start-up Possible Cause No power to the GTR 225 Faulty electrical wiring or connection No power to Com Mic key connection It can be changed. In this case the radio would be tuned to 121.50 ...radio may also be in Lock Out mode, press the external Com FLIP/FLOP key for two seconds to return to perform electrical system test Check power connections Check Mic key input connection Check connections Check ICS page, Intercom On/Off, Adjust Intercom If in lockout mode. Contact factory Table 4-1 Troubleshooting 4-2 Garmin GTR 225...
... change active frequency Display shows "Com Radio Needs Service" at start-up Possible Cause No power to the GTR 225 Faulty electrical wiring or connection No power to Com Mic key connection It can be changed. In this case the radio would be tuned to 121.50 ...radio may also be in Lock Out mode, press the external Com FLIP/FLOP key for two seconds to return to perform electrical system test Check power connections Check Mic key input connection Check connections Check ICS page, Intercom On/Off, Adjust Intercom If in lockout mode. Contact factory Table 4-1 Troubleshooting 4-2 Garmin GTR 225...
GTR 255/255A/255B Pilot’s Guide
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...acknowledged message will not be shown on the display. The com radio is in overtemp or undervoltage mode and transmitting power has been reduced to prevent damage to 121.5. Contact dealer for two seconds. 4-4 Garmin GTR 225/225A/225B Pilot's Guide 190-01182-00 Rev. Reducing ...transmitter power. The external com remote transfer (COM RMT XFR) switch has been held and the com radio is tuned to the com radio. 4.3 Messages When a Message has been issued by...
...acknowledged message will not be shown on the display. The com radio is in overtemp or undervoltage mode and transmitting power has been reduced to prevent damage to 121.5. Contact dealer for two seconds. 4-4 Garmin GTR 225/225A/225B Pilot's Guide 190-01182-00 Rev. Reducing ...transmitter power. The external com remote transfer (COM RMT XFR) switch has been held and the com radio is tuned to the com radio. 4.3 Messages When a Message has been issued by...
GTR 255/255A/255B Pilot’s Guide
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...-talk key is not failed. A Garmin GTR 225/225A/225B Pilot's Guide 4-5 DISPLAY Display board needs service. POWER ALERT - Contact dealer for service. if power switch is not available in pressed position for service if this message persists. REMOTE KEY STUCK Com remote transfer key is not stuck. ...damage to the unit. This input will now be ignored. Verify the COM RMT XFR key/ switch is The cooling fan has powered, but it needs service. This input will now be ignored and the com radio will shut down removed from the unit. The GTN cooling fan is...
...-talk key is not failed. A Garmin GTR 225/225A/225B Pilot's Guide 4-5 DISPLAY Display board needs service. POWER ALERT - Contact dealer for service. if power switch is not available in pressed position for service if this message persists. REMOTE KEY STUCK Com remote transfer key is not stuck. ...damage to the unit. This input will now be ignored. Verify the COM RMT XFR key/ switch is The cooling fan has powered, but it needs service. This input will now be ignored and the com radio will shut down removed from the unit. The GTN cooling fan is...
GTR 255/255A/255B Pilot’s Guide
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A Garmin GTR 225/225A/225B Pilot's Guide Index-1 INDEX A Appendix 4-1 Aux Audio 3-10 B Basic operation 2-1 Brightness 3-13 C Cautions ii Clear 1-3 Com database frequencies 3-5, 3-6, 3-7, 3-8 Com frequencies 3-2 Com PTT 3-12 Com radio 2-1 Com;Select frequency 2-1 Com spacing 3-12 Com user frequencies 3-3 Com volume 1-2 Contrast 3-14 Controls 1-2 Cursor 1-3 Customer service i, 4-1 D Database frequencies 3-5, 4-3 Database look-up 2-4 Display brightness 3-13 E Emergency channel 2-4 Enter 1-3 F Flight Service Station 3-7 FLIP/FLOP...
A Garmin GTR 225/225A/225B Pilot's Guide Index-1 INDEX A Appendix 4-1 Aux Audio 3-10 B Basic operation 2-1 Brightness 3-13 C Cautions ii Clear 1-3 Com database frequencies 3-5, 3-6, 3-7, 3-8 Com frequencies 3-2 Com PTT 3-12 Com radio 2-1 Com;Select frequency 2-1 Com spacing 3-12 Com user frequencies 3-3 Com volume 1-2 Contrast 3-14 Controls 1-2 Cursor 1-3 Customer service i, 4-1 D Database frequencies 3-5, 4-3 Database look-up 2-4 Display brightness 3-13 E Emergency channel 2-4 Enter 1-3 F Flight Service Station 3-7 FLIP/FLOP...
