Garmin 225A manual

GTR 225/225A/225B Pilot’ s Guide[...]

© 2012 Garmin Ltd. or its subsidiaries . All rights reserved. T his manual reflects the operation of System Softw are version 2.00, or later . Some differences in operation may be observed when comparing the information in this manual to later software versions . Garmin International, Inc., 1200 East 151st Street, Olathe , KS 66062, U .S .A. T el[...]

i 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide LIMITED W ARRANTY All Garmin avionics products are warr anted to be free from defects in materials or workmanship for: two years from the date of purchase for new Remote-Mount and P anel-Mount products; one year from the date of purchase for new portable products and any purchased new[...]

ii Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A W ARNING: F or safety reasons , GTR 225 operational procedures must be learned on the ground. CA UTION : The Garmin GTR 225 does not contain any user -serviceable parts . Repairs should only be made by an authorized Garmin service center . Unauthorized repairs or modifications could[...]

iii 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide NO TE : Canadian installations: In accordance with Canadian Radio Specifications Standard 102 (RSS 102), RF field strength exposure to persons from an antenna connected to this device should be limited to 60 V/m for controlled environment and 28 V/m for uncontrolled environment. N[...]

iv Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A Pr oduct Registration and Support Help us better support you by completing your online registration today! Have the serial number of your product handy and connect to the Garmin web site (www .garmin.com or https://fly .garmin.com/fly-garmin ). Look for the Product Registration lin[...]

v 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide Contents Product Registration and Support ..................................................................... iv 1 Getting Started ....................................................................................1-1 1.1 Product Description ........................................[...]

vi Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 3.2.3 Com Database F requencies .................................................... 3-5 3.2.4 Com Nearest Airports (APT) ................................................... 3-6 3.2.5 Com Nearest Area Control Center (ACC) F requencies ............. 3-6 3.2.6 Com Nearest Flight Servic[...]

1-1 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 1 GETTING ST ARTED 1.1 Pr oduct Description The GTR 225 Com Radio series provides a powerful VHF communications transceiver in a small footprint at a very affor dable price. Besides traditional Com features, the GTR 225 series also incorporates workload-r educing functions such as m[...]

1-2 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 1.2 Pilot Contr ols The GTR 225 controls have been designed to simplify operation of the system and minimize workload and the time required to access sophisticated functionality . Contr ols are comprised of dual concentric knobs for frequency tuning, Com volume/squelch knob, and bez[...]

1-3 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 1.2.2 T uning LARGE/SMALL Concentric (Cursor) Knobs The LARGE right and SMALL right knobs are used for tuning frequencies and data entry . SMALL, Inner Knob LARGE, Outer Knob 1.2.3 FLIP/FLOP Ke y Press and r elease the FLIP/FLOP key to switch between the active (left-most) and stand[...]

1-4 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 1.2.9 FUNC (Function) K ey The FUNC (Function) key accesses function categories for the following: the Com Radio, ICS Configuration, System Configuration, and T imer . Pressing the FUNC key once displays the Function mode. Pressing the FUNC key a second time exits the Function mode[...]

2-1 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 2 B ASIC OPERA TION 2.1 Power On T ur n the GTR 225 on by either turning the Power/Com V olume/ Squelch knob clockwise to turn the power 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 firs[...]

2-2 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 2.2.2 Monitoring the Standby Com Channel The Frequency Monitoring function allows you to monitor the Standby frequency for activity , while listening to the Active frequency . Press the MON key in the Com function to listen to the standby frequency . A small “MN” will replace th[...]

2-3 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 5. T urn the LARGE knob to select the waypoint T ype . 6. T urn the SMALL knob to select the T ype from the list. Selected Wpt T ype Figure 2-4 Com User Frequency T ype Selection Frequency T ype Symbol Description TWR T ower GND Ground A TIS Automatic T erminal Information Service A[...]

2-4 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 2.2.4 Com Database Look-Up 1. Press the CURSOR knob from the Com display to activate the database look-up function. Identifier Field Active for Selection T urn LARGE Knob T o Move Cursor T urn SMALL Knob T o Select Character Figure 2-5 Database Identifier Active for Selection 2 . [...]

2-5 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide NO TE : Pressing and holding the Com Remote T ransfer (COM RMT XFR) k ey for approximately two seconds, on units so configured, will lock the COM board, preventing further changes in Com frequency until the Com board is unlock ed, by pressing the Com Remote T ransfer k ey again for[...]

2-6 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A This page intentionally left blank[...]

3-1 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3 FUNCTIONS The Functions section allows pr ovides information about Com Frequencies, Internal Communications System (ICS) Configuration, System Configuration (SYS), and T imers (TMR). 3.1 Functions Description T imers Count Up ENT - Start/Stop CLR - Reset Count Down ENT - Start/S[...]

3-2 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 1. Press the FUNC k ey to access the Functions. 2. T urn the LARGE knob to select the COM, ICS, or SY S functions . 3. T urn the SMALL knob to view the choices in each function. 4. Press the ENT k ey to access the function. 5. Press the FUNC k ey again to exit Functions. 3.2 Com Fr [...]

3-3 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3.2.2 Com User Frequencies Fifteen Com User Frequencies can be saved with an assigned waypoint (WPT) identifier and T ype. NO TE : 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. T his only affects[...]

3-4 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 2 . Press the ENT k ey to confirm deletion of the displayed frequency . 3.2.2.3 Editing a Com User Frequency 1. Press FUNC . T urn the LARGE knob to reach the Com functions and then turn the SMALL knob to select the Com User F requencies. Press ENT . Select User Freqs Figure 3-5 Com[...]

3-5 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3.2.3 Com Database Frequencies The GTR 225 contains a large database of Com fr equencies that may be recalled by identifier . T urn LARGE Knob T o Move Cursor T urn SMALL Knob T o Select Character Figure 3-9 Com Database Frequencies 1. Press FUNC to access the Functions . With the [...]

3-6 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 3.2.4 Com Nearest Airports (APT) The GTR 225 will report the 25 nearest Airports (APT), when interfaced with an appropriate GPS r eceiver . T urn SMALL Knob T o Scroll Through Available Airports Figure 3-11 Com Nearest APT Frequencies 1. Press FUNC to access the Functions . With the[...]

3-7 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3. Press the ENT k ey to insert the highlighted frequency as the Standby frequency . Or , press the CLR k ey to return to the Functions display . 4. Press and release the FLIP/FLOP k ey to set the selected frequency as the Active frequency . 3.2.6 Com Nearest Flight Service Station [...]

3-8 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 3.2.7 Com Nearest W eather (WX) Frequencies The GTR 225, when interfaced with an appropriate GPS r eceiver , will report the 25 nearest W eather (WX) frequencies. T urn SMALL Knob T o Scroll Through Available Frequencies Figure 3-14 Com Nearest W eather Frequencies 1. Press FUNC to [...]

3-9 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3.3 ICS Configur ation The Internal Communications System (ICS) Configuration allows you to adjust the inter com, set the Aux Audio, turn the Intercom On/Of f, and turn the speaker On/Off. 3.3.1 Adjust Intercom The Adjust Intercom function allows you to set values for the Inter co[...]

3-10 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 3.3.2 Aux Audio The Aux function allows you to turn Aux Audio On/Off and set the volume value. 1. Press FUNC to access the Functions . T urn the LARGE knob to select the ICS Function. T urn the SMALL knob to view the Aux V olume function. T hen, press the ENT key. Figure 3-17 Selec[...]

3-11 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3.3.3 Intercom On/Off The Intercom On/Of f function toggles intercom on and of f. The intercom can also be toggled on/off with a r emote switch, if installed. The Intercom On/ Off function must be set to On to make the Adjust Inter com function available. 1. Press FUNC to access th[...]

3-12 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 3.4 System Configur ation The System Configuration function will show the Software V ersion, Database Info, and Serial Number as well as, allowing you to set values for the Com spacing, Display Brightness, and Display Contrast, and use the Load Database feature to update database[...]

3-13 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3.4.2 Display Brightness As it arrives from the factory , the GTR 225 automatically adjusts its display brightness for the current lighting conditions. A small sensor on the display is used for this function. A manual adjustment is available for controlling the brightness level of [...]

3-14 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 3.4.3 Display Contrast The Display Contrast has a range fr om -50 (Low Display Contrast) and 50 (High Display Contrast) with 0 as the default. The range can be adjusted by using the SMALL knob to adjust the value. 1. Press FUNC to access the Functions . T urn the LARGE knob to sele[...]

3-15 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3.4.5 Load Database The GTR 225 has a USB connector to allow for easily updating the system databases. NO TE : Garmin recommends the use of a USB 2.0 compatible USB flash drive for updating the database . 1. Insert the supplied cable into the USB port on the top right corner of th[...]

3-16 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 5. W ait until the updating process is complete and then remove the memory device and cable . T he unit will reset automatically once the database is updated. 6. V erify the correct frequency database is loaded after power -up . 3.4.6 Software V ersion The software versions of the [...]

3-17 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 3.5 T imers The GTR 225 has both Count Up and Count Down timers, which may operate simultaneously and are shown in the lower right of the Com displays. The countdown timer always takes precedence if it is running. 3.5.1 Setting Up the Count Down Timer 1. Press FUNC to access the Fu[...]

3-18 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 3.5.2 Setting Up the Count Up Timer 1. Press FUNC to access the Functions . T urn the LARGE knob to select the T imer (TMR) function. T urn the SMALL knob to select the Count Up T imer function. Now , press the ENT ke y. Select Count Up Timer Figure 3-32 Select the Count Up Timer F[...]

3-19 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide When the Count Down T imer reaches 0:00, it will continue counting as a Count Up value. The Count Down T imer that is counting up will be highlighted. A Count Up T imer will continue counting separately . Count Down Timer V alue Highlighted When Counting Up Figure 3-36 Count Down T[...]

3-20 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A This page intentionally left blank[...]

4-1 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 4 APPENDIX 4.1 T r oubleshooting If efforts to r esolve the problem fail, contact your dealer or the factory for technical assistance. The Garmin customer service staff will gladly assist you. Please have the following information ready: • Systemconguration(products,?[...]

4-2 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A Problem P ossible Cause Action GTR 225 does not power on No power to the GTR 225 Check power connections , break ers , and main avionics switch F aulty electrical wiring or connection Contact your dealer to perform electrical system test GTR 225 does not transmit No power to Com Che[...]

4-3 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 4.2 Updating the Fr equency Database The GTR 225 uses a standar d USB memory device to load the frequency database into the GTR 225. The memory device is not provided by Garmin. The Frequency database is stored internally and the USB memory device is only used to transfer the databa[...]

4-4 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A 4.3 Messages When a Message has been issued by the unit, the Message will be shown on the display . After viewing the messages, touch the ENT key to acknowledge the message and return to the previously viewed page. An acknowledged message will not be redisplayed even if the conditio[...]

4-5 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide Message Description Action COOLING F AN - T he cooling fan has failed. T he GTN cooling fan is powered, but it is not turning at the desired RPM. Decrease cabin temperature and increase cabin airflow (especially near the GTN) to prevent damage to the unit. Contact dealer for servic[...]

4-6 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A Message Description Action REMO TE KEY STUCK - Com remote frequency increment k ey is stuck. T he remote com frequency increment (COM CHAN UP) k ey/ switch has been in pressed position for at least 30 seconds . T his input will now be ignored. This input is not available in all inst[...]

Index-1 190-01182-00 Rev . A Garmin GTR 225/225A/225B Pilot’ s Guide 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 Contr[...]

Index-2 Garmin GTR 225/225A/225B Pilot’ s Guide 190-01182-00 Rev . A Stuck mic 2-5 Support iv System configuration 3-12 T T imers 3-17 T roubleshooting 4-1 , 4-4 U Updating frequency database 4-3 USB 1-4 , 3-15 User frequencies 3-3 W W arranty i[...]

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© 2012 GARMIN Corporation GARMIN International, Inc. 1200 East 151 st Street, Olathe, Kansas 66062, U.S.A. T el. 913/397.8200 or 800/800.1020 Fax 913/397.8282 Garmin A T , Inc. 2345 T urner Rd., S.E., Salem, Oregon 97302, U.S.A. T el. 503/581.8101 or 800/525.6726 Fax. 503/364.2138 Garmin (Europe) Ltd. Liberty House, Bulls Copse Road, Hounsdown Bus[...]