background image

GTR 225/225A/225B

Pilot’s Guide

Summary of Contents for GTR 225

Page 1: ...GTR 225 225A 225B Pilot s Guide ...

Page 2: ...nion For comments about this guide please e mail Techpubs Salem Garmin com www garmin com https fly garmin com fly garmin Except as expressly provided herein no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without the express written permission of Garmin Garmin hereby grants permission to download a single copy of ...

Page 3: ... MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE INNOEVENTSHALLGARMINBELIABLEFORANYINCIDENTAL SPECIAL INDIRECTORCONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THE PRODUCT OR FROM DEFECTS INTHE PRODUCT SOME STATES DO NOTALLOWTHE EXCLUSION OF INCIDENTAL OR CONS...

Page 4: ...s current Pilots using an outdated database do so entirely at their own risk NOTE Garmin recommends that if flying in a region with 8 33 kHz COM channel spacing the radio should remain in 8 33 kHz mode This will prevent the loss of stored user and recent frequencies NOTE All visual depictions contained within this document including screen images of the GTR 225 bezel and displays are subject to ch...

Page 5: ...han the affected equipment Consult an authorized dealer or other qualified avionics technician for additional help if these remedies do not correct the problem Operation of this device is subject to the following conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation To obtain acc...

Page 6: ... or https fly garmin com fly garmin Look for the Product Registration link on the Home page Also be sure to record your serial number in the space provided If you have any questions the Garmin Product Support department may be reached Monday through Friday 7 00 AM to 7 00 PM Central Time US 913 397 8200 US Toll Free 1 866 739 5687 Canada Toll Free 1 866 429 9296 Record of Revisions Part Number Rev...

Page 7: ...ON Monitor Key 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 Database Reverse Look Up 2 5 2 2 8 Remote Frequency Selection Control 2 5 3 Functions 3 1 3 1 Functi...

Page 8: ... 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 ...

Page 9: ...dby Com frequencies The GTR 225 10 watt Com radio operates in the aviation voice band from 118 000 to 136 975 MHz in 25 kHz steps default 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 Power On Off Com Volume Squelch On Off Photo Sensor USB Port Locking Screw LARGE and SMALL Knobs Frequency Adjust Frequenc...

Page 10: ...r Com Volume Squelch knob to toggle automatic squelch control On Off for the Com radio Squelch TX or RX Annunciator Com Volume Bar Graph Active Frequency Annunciator Com Mode Annunciator Standby Frequency Annunciator Figure 1 2 Com Volume and Squelch Display Description The Com radio features an automatic squelch to reject many localized noise sources You may override the squelch function by press...

Page 11: ...Switching between Com frequencies is disabled while you 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 PresstheICSkeytotoggledisplayoftheICSsettingsforIntercom On Off AUX Audio or the Intercom settings 1 2 7 CLR Clear Key Pressing the CLR key erases i...

Page 12: ...C key once displays the Function mode Pressing the FUNC key a second time exits the Function mode 1 2 10 MON Monitor Key TheMON Monitor keywillengagethemonitorfunctionwhere the Standby frequency may be monitored while still listening to the Active frequency 1 3 USB Port The USB port is used to update the frequency database in the GTR 225 NOTE Garmin recommends the use of a USB 2 0 compatible USB f...

Page 13: ...knob to change the values in one MHz increments The MHz selection range is between 118 and 136 in one MHz steps 3 Turn the SMALL knob to change the values in 25 kHz or 8 33 kHz increments The kHz selection range is between 000 and 975 kHz in 25 kHz steps or 000 and 990 kHz in 8 33 kHz steps 4 Turn the LARGE and SMALL knobs clockwise to increase and counterclockwise to decrease the frequency values...

Page 14: ...ey again 2 2 3 Saving a Com Channel The current Standby frequency may be saved into the Com User Frequency database from the Com display or the Com User Function The Com User Frequency database can hold up to 15 frequencies NOTE When switching from 8 33 kHz to 25 kHz mode any 8 33 kHz specific user frequencies will be deleted from the user frequency list This only affects the user frequencies with...

Page 15: ...uency Type Symbol Description TWR Tower GND Ground ATIS Automatic Terminal Information Service AWS Automated Weather Observing System ATF Aerodrome Traffic Frequency ARR Arrival APPR Approach DEP Departure CLR Clearance CTAF Common Traffic Advisory Frequency FSS Flight Service Station RFS Remote Flight Service Station MF Mandatory Frequency UNI Unicom Blank None Table 2 1 Com Frequency Type List 7...

Page 16: ... knob to scroll through the list of waypoint types Waypoint Types with a sign will have more frequencies for the same type After selection the selected waypoint and type will be remembered for 30 minutes Turn the SMALL Knob To Select Frequency Type Figure 2 7 Database Waypoint Type Selection 4 Press ENT to copy the frequency into the Standby frequency location Press and release the FLIP FLOP key t...

Page 17: ...ic message will display until the transmit key is released Alerts will display until the error clears or the user acknowledges it 2 2 7 Frequency Database Reverse Look Up The airport identifier and frequency type will be shown for frequencies that are in the database when the unit is receiving a valid position input Waypoint Types with a sign will have more frequencies for the same type Airport Id...

Page 18: ...2 6 Garmin GTR 225 225A 225B Pilot s Guide 190 01182 00 Rev A This page intentionally left blank ...

Page 19: ...imers TMR 3 1 Functions Description Timers Count Up ENT Start Stop CLR Reset Count Down ENT Start Stop CLR Reset Push CRSR Settings ENT Accept Com Freq Recent Freqs User Freqs Database Nearest Apt Nearest ACC Nearest FSS Nearest WX SYS Config Com Spacing DSPL Brt DSPL Contrast Database Info Load Database Software Ver Serial Number ICS Config Adjust Intrcom Aux Audio Intrcom On Off Speaker On Off F...

Page 20: ...m Frequencies and can be accessed in this function NOTE When switching from 8 33 kHz to 25 kHz mode any 8 33 kHz specific user frequencies will be deleted from the user frequency list This only affects the user frequencies within the 8 33 kHz spectrum 1 Press FUNC to access the Functions Turn the LARGE knob to select the Com Function Turn the SMALL knob to view the Recent frequency function Then p...

Page 21: ...uency Function Select Wpt Name Select Wpt Type Selected Frequency Figure 3 3 Viewing User Com Frequencies 2 Turn the SMALL knob to view the Com User frequency function Then press ENT Turn the SMALL knob to view the User Frequencies 3 Press and release the FLIP FLOP key to set the displayed frequency as the Active frequency 4 Press the ENT key to set the displayed frequency as the Standby frequency...

Page 22: ...Hz 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 theWpt 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 character...

Page 23: ...lect the desired character 3 Turn the LARGE knob to move the cursor to highlight a character 4 Repeat steps 2 and 3 to complete the desired identifier and then press the ENT key 5 If available the Frequency Type will be highlighted Turn the SMALL knob to select the desired frequency Selected Identifier Press FLIP FLOP Key To Set Selected Freq As Active Selected Frequency Turn SMALL Knob To Select ...

Page 24: ...set the displayed airport frequency as the Standby or press and release the FLIP FLOP key to set it as the Active frequency Or press the CLR key to return to the Functions display 3 2 5 Com Nearest Area Control Center ACC Frequencies The GTR 225 when interfaced with an appropriate GPS receiver will report the 25 nearest Area Control Center ACC frequencies ACCs are also known as Air Route Traffic C...

Page 25: ...r will report the 25 nearest Flight Service Station FSS frequencies Turn SMALL Knob To Scroll Through Available Frequencies Figure 3 13 Com Nearest FSS Frequencies 1 Press FUNC to access the Functions With the Com Frequency Function highlighted turn the SMALL knob to view the Com Nearest FSS function Then press ENT 2 Turn the SMALL knob to display the available FSS frequencies 3 Press the ENT key ...

Page 26: ...Com Nearest Weather Frequencies 1 Press FUNC to access the Functions With the Com Frequency Function highlighted turn the SMALL knob to view the Com Nearest Weather function Then press ENT 2 Turn the SMALL knob to display the available Weather frequencies 3 Press the ENT key to insert the highlighted frequency as the Standby frequency Or press the CLR key to return to the Functions display 4 Press...

Page 27: ...FUNC to access the Functions Turn the LARGE knob to select the ICS Function Turn the SMALL knob to view the Adjust Intercom function Then press the ENT key Figure 3 15 Select the Adjust Intercom Function 2 Turn the SMALL knob to set the ICS Squelch value Then press the ENT key Turn Small Knob To Adjust Intercom Squelch Press the ENT Key to Save the Displayed Value Press the CLR Key To Revert to th...

Page 28: ...gure 3 17 Select the Aux Audio Function 2 Turn the SMALL knob to turn the Aux Audio On or Off 3 Turn the LARGE knob to select the Aux Volume Turn the SMALL knob to set the value Then press the ENT key Turn Small Knob To Turn Aux On Off Press the ENT Key to Save the Displayed Value Press the CLR Key To Revert to the Previous Value Turn LARGE And Then SMALL Knob To Adjust Aux Volume Figure 3 18 Adju...

Page 29: ...ess CLR to Return to the Default Value Turn SMALL Knob To Select On or Off Figure 3 19 Turn the Intercom On Off 2 Turn the SMALL knob to set the Intercom On or Off Then press the ENT key to save the selected value 3 3 4 Speaker On Off The Speaker On Off function toggles the speaker output on and off 1 Press FUNC to access the Functions Turn the LARGE knob to select the ICS Function Turn the SMALL ...

Page 30: ...for regional requirements NOTE When switching from 8 33 kHz to 25 kHz mode any 8 33 kHz specific user frequencies will be deleted from the user frequency list This only affects the user frequencies within the 8 33 kHz spectrum 1 Press FUNC to access the Functions Turn the LARGE knob to select the SYS Function Turn the SMALL knob to view the Com spacing function Then press the ENT key Press ENT to ...

Page 31: ...hter than normal and a value below zero means darker than normal The range can be adjusted by using the SMALL knob to adjust the value The GTR 225 will either control dimming based on the photocell or the lighting bus This is set in configuration mode during installation and is not selectable by the pilot 1 Press FUNC to access the Functions Turn the LARGE knob to select the SYS Function Turn the ...

Page 32: ...T to Accept the Selected Value Turn the SMALL Knob to Select the Offset Value Press CLR to Return to the Previous Value Figure 3 23 Set Display Contrast 2 Turn the SMALL knob to set the value Then press the ENT key 3 4 4 Database Info The Database information for the GTR 225 unit is displayed This information is useful when contacting Customer Support 1 Press FUNC to access the Functions Turn the ...

Page 33: ... port on the top right corner of the GTR 225 2 Insert the USB memory device into the other end of the cable USB Cable USB Memory Device USB Port Figure 3 25 USB Update Progress 3 Press FUNC to access the Functions Turn the LARGE knob to select the SYS Function Turn the SMALL knob to view the Load Database function Then press the ENT key Figure 3 38 Database Update Display 4 Verify the database ver...

Page 34: ... knob to select the SYS Function 2 Turn the SMALL knob to view the Software Version function Then press the ENT key Com Software Version Display Software Version Figure 3 27 Software Versions Display 3 Press the FUNC key to return to the main menu 3 4 7 Serial Number The serial number of the GTR 225 unit is displayed This information is useful when contacting Customer Support 1 Press FUNC to acces...

Page 35: ...unction 2 Press the ENT key to Start or Stop the timer Press the CLR key to reset the timer to the starting value Press the CURSOR knob to select a starting timer value Press ENT to Start or Stop the Timer Push the CURSOR SMALL Knob to Edit the Starting Time Value Press CLR to Reset the Timer to the Default Value The Default Starting Value Figure 3 30 Selecting the Count Down Timer 3 Turn the SMAL...

Page 36: ...eset the Timer to 0 00 The Default Starting Value Figure 3 33 Selecting the Count Up Timer 3 5 3 Viewing Timers in the Com Display When a timer is active the timer value will be shown in the lower right corner of the Com display While both timers may be actively counting at the same time the Count Down Timer will have precedence in being shown If the Count Down Timer is paused the Count Up Timer w...

Page 37: ...wn Timer reaches 0 00 it will continue counting as a Count Up value The Count Down Timer that is counting up will be highlighted A Count Up Timer will continue counting separately Count Down Timer Value Highlighted When Counting Up Figure 3 36 Count Down Timer Value Now Counting Up ...

Page 38: ...3 20 Garmin GTR 225 225A 225B Pilot s Guide 190 01182 00 Rev A This page intentionally left blank ...

Page 39: ...ions etc Model No part number and serial number Software versions Description of the problem Efforts made to isolate solve the problem Garmin International Inc Aviation Products Customer Service Department 1200 East 151st Street Olathe KS 66062 3426 USA If you have any questions the Garmin AT Product Support department may be reached Monday through Friday 7 00 AM to 7 00 PM Central Time US 913 397...

Page 40: ...sabled via a remote mounted switch or via the menu Check connections No voice activation or if must talk too loud Check ICS page Intercom On Off Adjust Intercom Can t change active frequency Com Radio not communicating The radio may also be in lockout mode In this case the radio would be tuned to 121 50 and the active freq would not be able to be changed If in Lock Out mode press the external Com ...

Page 41: ...pdate Windows compatible PC computer Windows 2000 XP Vista or Windows 7 recommended USB 2 0 compatible USB flash drive External USB cable Updated database obtained from the Garmin web site NOTE The data contained in the frequency database comes from government agencies Garmin accurately processes and cross validates the data but cannot guarantee the accuracy and completeness of the data 4 2 1 Down...

Page 42: ...s not communicating properly with the system Press and hold the volume knob or the external com remote transfer COM RMT XFR switch if installed this will force the com radio to 121 5 MHz Contact dealer for service COM RADIO Com overtemp or undervoltage Reducing transmitter power Com radio is in overtemp or undervoltage mode and transmitting power has been reduced to prevent damage to the com radio...

Page 43: ...tored immediately Power has been removed from the unit Re apply power to the unit REMOTE KEY STUCK Com push to talk key is stuck The Push To Talk key switch has been in pressed position for at least 30 seconds This input will now be ignored and the com radio will no longer transmit Verify the Push To Talk key switch is not stuck Contact dealer for service if this message persists REMOTE KEY STUCK ...

Page 44: ...s not available in all installations Verify the COM CHAN UP key switch is not stuck Contact dealer for service if this message persists REMOTE KEY STUCK Com remote frequency decrement key is stuck The remote com frequency decrement COM CHAN DN key switch has been in pressed position for at least 30 seconds This input will now be ignored This input is not available in all installations Verify the C...

Page 45: ...ess 3 13 E Emergency channel 2 4 Enter 1 3 F Flight Service Station 3 7 FLIP FLOP key 1 3 fly garmin iv 3 16 4 1 4 3 Frequency monitoring 2 2 Front panel description 1 1 FSS 3 7 Functions 1 4 3 1 G Getting started 1 1 I ICS 3 9 Intercom 3 11 K Knobs 1 3 L Locking screw 1 1 M Menus 1 3 Message 4 4 Monitoring 1 4 2 2 N Nearest airport 3 6 P Pilot controls 1 2 Power on 2 1 Power up 3 16 Product descr...

Page 46: ...R 225 225A 225B Pilot s Guide 190 01182 00 Rev A Stuck mic 2 5 Support iv System configuration 3 12 T Timers 3 17 Troubleshooting 4 1 4 4 U Updating frequency database 4 3 USB 1 4 3 15 User frequencies 3 3 W Warranty i ...

Page 47: ......

Page 48: ...8 Garmin Europe Ltd Liberty House Bulls Copse Road Hounsdown Business Park Southampton SO40 9RB U K Tel 44 0 870 850 1243 Fax 44 0 238 052 4004 GARMIN Corporation No 68 Zhangshu 2nd Road Xizhi Dist New Taipei City 221 Taiwan R O C Tel 886 2 2642 9199 Fax 886 2 2642 9099 Garmin Singapore Pte Ltd 46 East Coast Road 05 06 Eastgate Singapore 428766 Tel 65 63480378 Fax 65 63480278 www garmin com https ...

Reviews: