Garmin GTX 330 User manual

£
Garmin International, Inc.
190-00207-02 Revision E
October 2003
GTXTM 330, GTXTM 330D
TRANSPONDER
INSTALLATION
MANUAL

Page A GTX 330 Installation Manual
Rev E 190-00207-02
© Copyright 2002 -2003
Garmin Ltd. or its subsidiaries
All Rights Reserved
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revision hereto is strictly prohibited.
Garmin International, Inc.
1200 E. 151st Street
Olathe, KS 66062 USA
Telephone: [phone]
Aviation Panel-Mount Technical Support Line (Toll Free): 1-888-606-5482
www.garmin.com
Garmin (Europe) Ltd.
Unit 5, The Quadrangle, Abbey Park Industrial Estate
Romsey, SO51 9DL, U.K.
Telephone: [phone]
RECORD OF REVISIONS
Revision Revision
Date
Description ECO #
A10/24/02 Initial Release 19401
B5/1/03 Upgrade to SW 3.03 20932
C6/3/03 Reverse Pins 47 and 53 on J3301 21261
D8/4/03 Added Figure 4-9, 330/327 w/Dual Display 21954
E10/22/03 Added TIS/TCAD combo and SW connector 22929
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GTX 330 Installation Manual Page i
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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. 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 www.garmin.com/prop65.

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GTX 330 Installation Manual Page iii
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TABLE OF CONTENTS
PARAGRAPH PAGE
1. GENERAL DESCRIPTION ............................................................................................................. 1-1
1.1 INTRODUCTION............................................................................................................................. 1-1
1.2 EQUIPMENT DESCRIPTION......................................................................................................... 1-1
1.3 TIS SYSTEM CAPABILITIES ........................................................................................................ 1-2
1.4 MUTUAL SUPPRESSION PULSES ............................................................................................... 1-2
1.5 INTERFACE SUMMARY ............................................................................................................... 1-2
1.6 TECHNICAL SPECIFICATIONS.................................................................................................... 1-4
1.6.1 Electrical Specifications......................................................................................................... 1-4
1.6.2 Physical Characteristics ......................................................................................................... 1-5
1.6.3 Configurations Available....................................................................................................... 1-5
1.6.4 Equipment Available ............................................................................................................. 1-6
1.6.5 Additional Equipment Required ............................................................................................ 1-6
1.7 INSTALLATION APPROVAL........................................................................................................1-6
1.8 AIRCRAFT STATION LICENSING REQUIREMENTS ............................................................... 1-6
1.9 LIMITED WARRANTY .................................................................................................................. 1-7
2. INSTALLATION.............................................................................................................................. 2-1
2.1 INTRODUCTION............................................................................................................................. 2-1
2.2 UNPACKING AND INSPECTING EQUIPMENT.......................................................................... 2-1
2.3 ANTENNA INSTALLATION.......................................................................................................... 2-1
2.3.1 Location Considerations ........................................................................................................ 2-1
2.3.2 Antenna Installation............................................................................................................... 2-2
2.3.3 Installation Approval Considerations for Pressurized Aircraft.............................................. 2-2
2.3.4 Antenna Cable Installation..................................................................................................... 2-3
2.4 COOLING AIR ................................................................................................................................. 2-4
2.5 GTX 330 INSTALLATION.............................................................................................................. 2-4
3. INSTALLATION PROCEDURE ..................................................................................................... 3-1
3.1 ANTENNA INSTALLATION ......................................................................................................... 3-1
3.1.1 Antenna Installation............................................................................................................... 3-1
3.1.2 Antenna Cable Connectors .................................................................................................... 3-1
3.2 ELECTRICAL CONNECTIONS ..................................................................................................... 3-1
3.3 POST INSTALLATION CHECKOUT ............................................................................................ 3-2

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PARAGRAPH PAGE
4. SYSTEM INTERCONNECTS ......................................................................................................... 4-1
4.1 PIN FUNCTION LIST...................................................................................................................... 4-1
4.1.1 J3301...................................................................................................................................... 4-1
4.2 POWER AND LIGHTING FUNCTION .......................................................................................... 4-3
4.2.1 Aircraft Power........................................................................................................................ 4-3
4.2.2 Lighting Bus .......................................................................................................................... 4-3
4.3 TEMPERATURE INPUTS............................................................................................................... 4-3
4.4 ALTITUDE FUNCTIONS................................................................................................................ 4-4
4.4.1 Altimeter Inputs ..................................................................................................................... 4-4
4.4.2 Altimeter Calibration and Checkout ...................................................................................... 4-4
4.4.3 Altimeter Interconnect, Dual GTX 330 Installation .............................................................. 4-5
4.4.4 Altimeter Selection Priority ................................................................................................... 4-5
4.5 DISCRETE FUNCTIONS ................................................................................................................ 4-6
4.5.1 Discrete Outputs..................................................................................................................... 4-6
4.5.2 Discrete Inputs ....................................................................................................................... 4-6
4.6 SERIAL DATA ELECTRICAL CHARACTERISTICS .................................................................. 4-7
4.6.1 RS-232 Input/Output.............................................................................................................. 4-7
4.6.2 RS-232 Input/Output, Software Update Connections............................................................ 4-8
4.6.3 Aircraft with Both TIS and TCAS/TCAD Installed ............................................................. 4-8
4.6.4 ARINC 429 Input/Output ...................................................................................................... 4-9
5. POST INSTALLATION CONFIGURATION AND CHECKOUT PROCEDURE ........................ 5-1
5.1 OPERATION .................................................................................................................................... 5-1
5.1.1 Function Selector Switches.................................................................................................... 5-1
5.1.2 Code Selection ....................................................................................................................... 5-3
5.1.3 Function Display.................................................................................................................... 5-4
5.2 CONFIGURATION PAGES ............................................................................................................ 5-5
5.2.1 Configuration Menu Page...................................................................................................... 5-6
5.2.2 AUDIO MODE Pages............................................................................................................ 5-7
5.2.3 TRAFFIC INFORMATION Page ........................................................................................ 5-7
5.2.4 DISPLAY MODE Page ......................................................................................................... 5-8
5.2.5 DISPLAY BACKLIGHT Page.............................................................................................. 5-8
5.2.6 KEY LIGHTING Page ..........................................................................................................5-9
5.2.7 CONTRAST CONFIGURATION Page.............................................................................. 5-11
5.2.8 ARINC 429 CONFIGURATION Pages .............................................................................. 5-11
5.2.9 RS-232 INPUT and OUTPUT Page .................................................................................... 5-13
5.2.10 OPERATION CONFIGURATION Pages........................................................................... 5-13
5.2.11 TEMPERATURE Page........................................................................................................ 5-14
5.2.12 MODE S Address Entry Pages ............................................................................................ 5-15

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PARAGRAPH PAGE
5.2.13 MODE S Aircraft Type Page............................................................................................... 5-16
5.2.14 GRAY CODE INPUT Page................................................................................................. 5-16
5.2.15 EXTERNAL SWITCH STATE Page .................................................................................. 5-17
5.2.16 ANALOG INPUT Page ....................................................................................................... 5-17
5.2.17 RS-232 INPUT Page............................................................................................................ 5-18
5.2.18 ARINC 429 CHANNELS Pages.......................................................................................... 5-18
APPENDIX A CERTIFICATION DOCUMENTS................................................................................. A-1
A.1 STC .................................................................................................................................................. A-1
A.2 Continued Airworthiness.................................................................................................................. A-3
A.3 ENVIRONMENTAL QUALIFICATION FORM ........................................................................... A-6
APPENDIX B ASSEMBLY AND INSTALLATION DRAWINGS
APPENDIX C INTERCONNECT DRAWINGS

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LIST OF ILLUSTRATIONS
FIGURE PAGE
2-1 Antenna Installation Considerations ................................................................................................. 2-1
4-1 Rear Connector, J3301 ...................................................................................................................... 4-1
4-2 Dual GTX 330, Single Encoder, Serial Input Connections............................................................... 4-5
4-3 GTX 330, Software Update Connections.......................................................................................... 4-8
5-1 GTX 330 Front Panel ........................................................................................................................ 5-1
B-1 GTX 330 OUTLINE DRAWING .....................................................................................................B-1
B-2 GTX 330 CONNECTOR/RACK ASSEMBLY DRAWING............................................................B-3
B-3 GTX 330 RECOMMENDED PANEL CUTOUT DIMENSIONS...................................................B-5
C-1 GTX 330 TYPICAL INTERCONNECT WIRING DIAGRAM.......................................................C-1
C-2 DUAL TXP INTERCONNECT WIRING DIAGRAM, ENCODING ALTITUDE
CONNECTIONS...............................................................................................................................C-3
C-3 GTX 330 INTERCONNECT WIRING DIAGRAM, ALTITUDE AND TEMPERATURE
CONNECTIONS...............................................................................................................................C-5
C-4 GTX 330 INTERCONNECT WIRING DIAGRAM, DISCRETE AND AUDIO
CONNECTIONS...............................................................................................................................C-7
C-5 GTX 330 INTERCONNECT WIRING DIAGRAM, SERIAL DEVICES
CONNECTIONS...............................................................................................................................C-9
C-6 DUAL GTX 330 INTERCONNECT WIRING DIAGRAM, DUAL DISPLAY
CONNECTIONS.............................................................................................................................C-11
C-7 GTX 330/GTX 327 INTERCONNECT WIRING DIAGRAM, DUAL DISPLAY
CONNECTIONS.............................................................................................................................C-13
C-8 GTX 330 INTERCONNECT WIRING DIAGRAM, AIRCRAFT WITH TIS AND
TCAD/TCAS ..................................................................................................................................C-15
LIST OF TABLES
TABLE PAGE
4-1. P3301 Pin Assignments..................................................................................................................... 4-1
4-2. Aircraft Power Pin Assignments....................................................................................................... 4-3
4-3. Aircraft Lighting Pin Assignments ................................................................................................... 4-3
4-4. Temperature Probe Pin Assignments ................................................................................................ 4-3
4-5. Encoded Altitude Pin Assignments................................................................................................... 4-4
4-6. Discrete Outputs Pin Assignments.................................................................................................... 4-6
4-7. Discrete Inputs Pin Assignments....................................................................................................... 4-6
4-8. RS-232 Pin Assignments................................................................................................................... 4-7
4-9. ARINC 429 Pin Assignments ........................................................................................................... 4-9

GTX 330 Installation Manual Page vii
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GTX 330 HARDWARE MOD LEVEL HISTORY
The following table identifies hardware modification (Mod) Levels for the GTX 330 Mode S 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
www.garmin.com using their Garmin-provided user name and password.
MOD
LEVEL
SERVICE
BULLETIN
NUMBER
SERVICE
BULLETIN
DATE
PURPOSE OF MODIFICATION
At the time of this revision, the current software version for the GTX 330 is 3.03. The
software version and information in this document are subject to change without notice. Visit
the Garmin web site (www.garmin.com) for current manual updates and supplemental
information concerning the operation of this and other Garmin products.
NOTE

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