GTXTM 327 TRANSPONDER INSTALLATION MANUAL

1 GTX 327. TM. TRANSPONDER . INSTALLATION . MANUAL .. Garmin International, Inc. 190-00187-02 Revision J. May 2003. Copyright 1999-2003. Garmin Ltd. or its subsidiaries All Rights Reserved 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 prior written consent of Garmin. Garmin hereby grants permission to download a single copy of this MANUAL and of any revision to this MANUAL onto a hard drive or other electronic storage medium to be viewed and to print one copy of this MANUAL or of any revision hereto, provided that such electronic or printed copy of this MANUAL or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this MANUAL or any revision hereto is strictly prohibited.

2 Garmin International, Inc. st 1200 E. 151 Street Olathe, KS 66062 USA. Telephone: 913-397-8200. Aviation Panel-Mount Technical Support Line (Toll Free): 1-888-606-5482. Garmin (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate Romsey, SO51 9DL, Telephone: 44 RECORD OF REVISIONS. Revision Revision Description ECO #. Date A 01/19/00 Initial Release 12550. B 02/28/00 Update Configuration Procedure 12785. C 06/01/00 Update Configuration Procedure. Add JTSO 13450. references and STC form. D 07/18/00 Correct Interconnect Diagram, New RF Connector 13763. Spacer P/N, Plus Misc Changes. E 8/01/01 Add P/N's @ Section 16263. F 11/06/01 Updates and Clarifications 16867.

3 G 05/01/02 Updated unit and accessory part numbers 18295. H 11/01/02 Revised to reflect new software 19608. J 5/22/03 Revised to reflect software 21163. LIST OF EFFECTIVE PAGES. Page Rev. Page Rev. Page .. Rev. Page Rev. Page Rev. Page Rev. Page Rev. Page Rev. A ..J 1 ..J J J J. i ..J 2 ..J 10 ..J J Blank Blank 3 ..J 11 ..J J J J. 4 ..J 12 ..J J Blank J. iv ..J 5 ..J 13 ..J J J. v ..J 6 ..J 14 ..J J Blank vi ..J 7 ..J 15 ..J J J. 8 ..J 16 ..J J Blank Page A GTX 327 INSTALLATION MANUAL Rev J 190-00187-02. INFORMATION SUBJECT TO EXPORT CONTROL LAWS. This document may contain information which is subject to the Export Administration Regulations ("EAR") issued by the United States Department of Commerce (15 CFR, Chapter VII, Subchapter C) and which may not be exported, released, or disclosed to foreign nationals inside or outside of the United States without first obtaining an export license.

4 A. violation of the EAR may be subject to a penalty of up to 10 years imprisonment and a fine of up to US $1,000,000 under Section 2410 of the Export Administration Act of 1979. Include this notice with any reproduced portion of this document. WARNING. This product, its packaging, and its components contain chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. This Notice is being provided in accordance with California's Proposition 65. If you have any questions or would like additional information, please refer to our web site at GTX 327 INSTALLATION MANUAL Page i 190-00187-02 Rev J. This page intentionally left blank Page ii GTX 327 INSTALLATION MANUAL Rev J 190-00187-02.

5 TABLE OF CONTENTS. PARAGRAPH PAGE. 1. GENERAL DESCRIPTION ..1. EQUIPMENT DESCRIPTION ..1. MUTUAL SUPPRESSION PULSES ..1. INTERFACE SUMMARY ..1. GTX 327 TRANSPONDER SPECIFICATIONS ..2. TRANSPONDER Physical Characteristics of the GTX EQUIPMENT AVAILABLE ..3. Configurations Available ..3. INSTALLATION Accessories ..3. ADDITIONAL EQUIPMENT REQUIRED ..4. INSTALLATION ATC TRANSPONDER TESTS AND INSPECTIONS ..4. LIMITED WARRANTY ..5. 2. UNPACKING AND INSPECTING ANTENNA Location Considerations ..7. Antenna INSTALLATION ..7. INSTALLATION Approval Considerations for Pressurized Antenna Cable Antenna Cable Connectors ..9. GTX 327 COOLING AIR ..11. ELECTRICAL CONNECTIONS ..12. Power and Lighting Function.

6 14. Altitude RS-232 Serial Data Electrical 3. POST INSTALLATION CONFIGURATION & CHECKOUT PROCEDURE ..19. AIRCRAFT STATION LICENSING REQUIREMENTS ..19. OPERATION ..19. Function Selection Switches ..20. Function Code Selection ..23. GTX 327 INSTALLATION MANUAL Page iii 190-00187-02 Rev J. PARAGRAPH PAGE. CONFIGURATION PAGES ..23. DISPLAY MODE Page ..24. DISPLAY BACKLIGHT KEY LIGHTING Page ..25. CONTRAST CONFIGURATION Page ..27. RS-232 INPUT/OUTPUT Page ..28. OPERATION CONFIGURATION AIRCRAFT TYPE Page ..31. RS-232 INPUT VIEW Page ..31. GRAY CODE INPUT EXTERNAL SWITCH Page ..32. ANALOG INPUT Page ..32. APPENDIX A. CERTIFICATION CONTINUED AIRWORTHINESS ..33. ENVIRONMENTAL QUALIFICATION FORM.

7 36. APPENDIX B. ASSEMBLY AND INSTALLATION DRAWINGS ..39. APPENDIX C. STC Page iv GTX 327 INSTALLATION MANUAL Rev J 190-00187-02. LIST OF ILLUSTRATIONS. FIGURE PAGE. 2-1 RF Connector Assembly ..10. 2-2 Dual GTX 327, Single Encoder, Serial Input 3-1 GTX 327 Front Panel ..19. B1 GTX 327 Outline B2 GTX 327 Connector/Rack Kit Assembly B3 GTX 327 Recommended Panel Cutout Dimensions ..45. B4 GTX 327 Interconnect Wiring B5 Dual TRANSPONDER Interconnect Wiring Diagram, Encoding Altitude Connections ..49. LIST OF TABLES. TABLE PAGE. 2-1 Recommended Antenna Cable Type ..9. 2-2 Pin Contact Part Numbers ..12. 2-3 Recommended Crimp 2-4 P3271 Pin 2-5 Aircraft Power Pin Assignments ..14.

8 2-6 Aircraft Lighting Pin 2-7 Encoded Altitude Pin 2-8 Discrete Inputs Pin 2-9 RS 232 Input/Output Pin Assignments ..16. GTX 327 INSTALLATION MANUAL Page v 190-00187-02 Rev J. GTX 327 HARDWARE MOD LEVEL HISTORY. The following table identifies hardware modification (Mod) Levels for the GTX 327 TRANSPONDER . Mod Levels are listed with the associated service bulletin number, service bulletin date, and the purpose of the modification. The table is current at the time of publication of this MANUAL (see date on front cover) and is subject to change without notice. Authorized GARMIN Sales and Service Centers are encouraged to access the most up-to-date bulletin and advisory information on the GARMIN Dealer Resource web site at using their GARMIN-provided user name and password.

9 MOD SERVICE SERVICE PURPOSE OF MODIFICATION. LEVEL BULLETIN BULLETIN. NUMBER DATE. NOTE. At the time of this revision, the current software version for the GTX 327 is The software version and information in this document are subject to change without notice. Visit the Garmin web site ( ) for current MANUAL updates and supplemental information concerning the operation of this and other Garmin products. Page vi GTX 327 INSTALLATION MANUAL Rev J 190-00187-02. 1. GENERAL DESCRIPTION. INTRODUCTION. This MANUAL describes the physical, mechanical and electrical characteristics, plus the INSTALLATION requirements and operating instructions for the Garmin GTX 327 Digital Display TRANSPONDER system.

10 Information pertaining to the maintenance, alignment and procurement of replacement parts is found in the GTX 327 Maintenance MANUAL , Garmin P/N 190-00187-05. After INSTALLATION of the GTX 327, FAA. Form 337 must be completed by an appropriately certificated agency and ATC TRANSPONDER tests required by 14 CFR, Part must be completed to return the aircraft to service. EQUIPMENT DESCRIPTION. The Garmin GTX 327 is a panel-mounted TRANSPONDER with the addition of altitude reporting and timing functions. The TRANSPONDER is a radio transmitter and receiver that operates on radar frequencies, receiving ground radar or TCAS interrogations at 1030 MHz and transmitting a coded response of pulses to ground-based radar on a frequency of 1090 MHz.