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™
GTX 330/330D
Mode S Transponder
Pilot’s Guide
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© Copyright 2002, 2007, 2008 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
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Limited Warranty This Garmin product is warranted to be free from defects in materials or workmanship for two years from the date of purchase. Within this period, Garmin will at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor, provided that the customer shall be responsible for any transportation cost. This warranty does not cover failures due to abuse, misuse, accident or
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The GTX 330 transponder is powered on by pressing the STBY, ALT or ON keys, or by a remote avionics master switch (if applicable). After power on, a start-up page is displayed while the unit performs a self test. Mode Selection Keys OFF Powers off the GTX 330. Pressing STBY, ON, or ALT key powers on the transponder displaying the last active identification code. STBY Selects the standby mode. When in standby mode, the transponder will not reply to any interrogations. ON Selects Mode
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Keys for Other GTX 330 Functions IDENT Pressing the IDENT key activates the Special Position Identification (SPI) Pulse for 18 seconds, identifying your transponder return from others on the air traffic controller’s screen. The word IDENT will appear in the upper left corner of the display during this time. VFR Sets the transponder code to the pre-programmed VFR code selected during installation configuration (this is set to 1200 at the factory). Pressing the VFR key again restores th
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Function Display NOTE: GTX 330 options are normally set at time of installation. For changes to the GTX 330 parameters, contact your Garmin authorized dealer. PRESSURE ALT: Displays the altitude data supplied to the GTX 330 in feet, hundreds of feet (i.e., flight level), or meters (dependent upon installation configuration). FLIGHT TIME: Timer start is configured as either Manual or Automatic. When Manual, displays the Flight Time, controlled by the START/STOP and CLR keys. When Automa
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Timer Operation To operate the Flight Timer: 1) Press the FUNC key until FLIGHT TIME is displayed. 2) If the GTX 330 is configured with Automated Airborne Determination, the timer begins automatically when the unit senses that the aircraft has become airborne. The timer may be reset to zero at every take off, continue accumulating time at take off, or may be controlled manually. 3) If desired, press START/STOP to pause or restart the timer. 4) Press CLR to reset the timer to zero. 5) If the
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Mode S Data Transmission In addition to 4096 code and pressure altitude, the GTX 330 is capable of transmitting aircraft identification, transponder capability, and maximum speed range. Aircraft identification is commonly referred to as FLT ID (Flight Identification). The GTX 330 may be configured by the installer to allow the flight crew to enter FLT ID for each flight. An example is when air-carrier service requires changing the FLT ID. The FLT ID may consist of the aircraft registratio
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Entering a Flight ID Number When configured for FLT ID PWR-UP ENTRY at installation, the flight crew must enter the Flight ID before the GTX 330 will operate. After the flight crew enters the correct Flight ID, the aircraft identification that is transmitted in response to ATC radar interrogations is properly correlated with the associated call sign for voice communication with the aircraft. If the FLT ID PWR-UP ENTRY is required but does not appear at power up, contact a Garmin authorized
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GTX 330 Mode S Transponder Features GTX 330D Diversity Mode S Transponder The GTX 330D Diversity Mode S Transponder incorporates antennas mounted on the top and bottom of the aircraft for dependable operation while maneuvering. Top and bottom antennas are less prone to antenna shadowing by the aircraft structure while turning. A top mounted antenna is in a better viewing position for interrogation and reply to overhead aircraft. Traffic Information Service The GTX 330 Mode S transponder pr
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© 2002, 2007, 2008 Garmin Ltd. or its subsidiaries Garmin International, Inc. st 1200 East 151 Street, Olathe, Kansas 66062, U.S.A. Garmin (Europe) Ltd. Liberty House, Bulls Copse Road, Hounsdown Business Park, Southampton, SO40 9RB, U.K. Garmin Corporation nd No. 68, Jangshu 2 Road, Shijr, Taipei County, Taiwan www.garmin.com Part Number 190-00207-00 Rev. F
