Garmin 03253, 0225612 User Manual

GTX 335/345

All-In-One ADS-B Transponder

Pilot's Guide

This manual reflects the operation of GTX 3X5 transponders.

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 this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed for personal use, 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.

This document complies with Garmin Banned and Restricted Substances document, P/N 001-00211-00.

Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Garmin is under license.

For information about the Aviation

Visit flyGarmin.com

for aviation product support.

Limited Warranty refer to Garmin’s website.

Printed in the U.S.A August 2018 190-01499-00 Rev. E

WARNING

CAUTION

WARNINGS/CAUTIONS/NOTES

Do not use data link weather information for maneuvering in, near, or around areas of hazardous weather. Information contained within data link weather products may not accurately depict current weather conditions.

Do not use the indicated data link weather product age to determine the age of the weather information shown by the data link weather product. Due to time delays inherent in gathering and processing weather data for data link transmission, the weather information shown by the data link weather product may be significantly older than the indicated weather product age.

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 website at www.garmin.com/prop65/.

WARNINGS \ CAUTIONS \ NOTES

To reduce the risk of unsafe operation, carefully review and understand all aspects of the GTX 3X5 Pilot’s Guide. Thoroughly practice basic operation prior to actual use.

The display surface is coated with a special anti-reflective coating that is very sensitive to skin oils, waxes, and abrasive cleaners. It is very important to clean the lens using an eyeglass lens cleaner that is specified as safe for anti-reflective coatings with a clean, lint-free cloth.

Traffic information is provided as an aid in visually acquiring traffic. Pilots must maneuver the aircraft based only upon ATC guidance or positive visual acquisition of traffic.

Unauthorized repairs or modifications could result in permanent damage to the equipment, and void your warranty and your authority to operate this device under FCC and FAA regulations.

190-01499-00 Rev. E GTX 335/345 Pilot’s Guide i

WARNINGS/CAUTIONS/NOTES

NOTE

The coverage expected for all operations (transponder replies to ATC, ADS-B and FIS-B reception) from the Garmin GTX 3X5 is limited to line of sight. Low altitude or aircraft antenna shielding by the aircraft itself may result in reduced range. Range can be improved by climbing to a higher altitude.

This product does not contain any user-serviceable parts. Repairs should only be made by an authorized Garmin service center.

WARNINGS \ CAUTIONS \ NOTES

It is the responsibility of the GTX 3X5 owner, residing outside of the U.S., to obtain proper licensing before using the transponder.

ii GTX 335/345 Pilot’s Guide 190-01499-00 Rev. E

PRODUCT REGISTRATION AND SUPPORT

Product Registration and Support

Help us better support you by completing your online registration. To register, have your product’s serial number on hand. Visit www.Garmin.com and click the Product Registration link on the home page. Be sure to record your serial number in the space provided below.

PRODUCT REGISTRATION AND SUPPORT

Serial Number

This guide is available electronically at: www.garmin.com/manuals

If you have any questions, visit flyGarmin.com

Record of Revisions

Part Number Revision Date Description

190-01499-00 A

02/12/16

08/12/16

09/09/16

07/11/18

08/02/18

Initial release.

Added rotorcraft information.

Minor edits.

Added FIS-B information.

Minor edits.

190-01499-00 Rev. E GTX 335/345 Pilot’s Guide iii

SOURCES AND REFERENCES

INTRODUCTION

Abbreviations and Acronyms

ADS-B

ADS-R

AHRS

ATC

ATCRBS

BLE

FIS-B

ABBREVIATIONS AND ACRONYMS

PED

PIREP

SSR

TAS

TCAS

TFRs

TIS

TIS-B

Automatic Dependant Surveillance-Broadcast

Automatic Dependent Surveillance-Rebroadcast

Attitude and Heading Reference System

Air Traffic Control

Air Traffic Control Radar Beacon System

Bluetooth Low Energy

Flight Information Services-Broadcast

Portable Electronic Device

Pilot Report

Secondary Surveillance RADAR

Traffic Advisory System

Traffic Collision Avoidance System

Temporary Flight Restrictions

Traffic Information Service

Traffic Information Service-Broadcast

Sources and References

Automatic Dependent Surveillance–Broadcast (ADS-B) is an important part of the FAA's NextGEN effort. ADS-B is a precise GPS-based surveillance system that provides ATC access to traffic data well beyond the capabilities of RADAR alone. It enables the display of precise traffic data in cockpits equipped to receive ADS-B.

For more information about ADS-B, visit the Garmin ADS-B Academy website. www.garmin.com/us/intheair/ads-b/

For more information about ADS-B and other NextGEN programs, visit the FAA NextGEN website. www.faa.gov/nextgen/

iv GTX 335/345 Pilot’s Guide 190-01499-00 Rev. E

1 GTX 3X5 Series Transponders ....................................................................................... 1-1

1.1 GTX 335 Transponder ................................................................................................... 1-1

1.2 GTX 345 Transponder ................................................................................................... 1-1

2 GTX 3X5 Controls ........................................................................................................... 2-1

2.1 Panel Mount Transponder Controls ............................................................................... 2-1

2.2 Mode Selection Keys ..................................................................................................... 2-1

2.3 Squawk Code Keys ....................................................................................................... 2-3

2.4 Function Keys ................................................................................................................ 2-4

2.5 Remote Transponder Control ........................................................................................ 2-4

3 Display Functions and Settings ..................................................................................... 3-1

3.1 Transponder (XPDR) ...................................................................................................... 3-1

3.2 Timers (TMR) ................................................................................................................. 3-2

3.3 Altitude (ALT) ................................................................................................................ 3-3

3.4 System (SYS) ................................................................................................................. 3-4

3.4.1 Bluetooth Pairing Instructions ............................................................................... 3-5

3.4.2 Bluetooth Paired Device Information ..................................................................... 3-5

4 ADS-B IN Traffic (GTX 345 Only) .................................................................................... 4-1

4.1 Traffic Alerting .............................................................................................................. 4-2

4.2 Helicopter Traffic Alerting ............................................................................................. 4-2

4.2.1 On Scene Mode .................................................................................................... 4-2

4.2.2 No Source of Heading Data .................................................................................. 4-3

4.3 TCAD/TAS/TCAS I GTX 345 Integration ......................................................................... 4-3

5 FIS-B Weather and Flight Information .......................................................................... 5-1

6 Connext Bluetooth ......................................................................................................... 6-1

7 Troubleshooting ............................................................................................................. 7-1

7.1 Transponder Failures ..................................................................................................... 7-1

7.2 Transponder System Messages ...................................................................................... 7-2

List of Figures

Figure 2-1 Squawk Code Entry Field ..................................................................................... 2-3

Figure 3-1 Flight ID Edit Display Page .................................................................................... 3-1

Figure 3-2 Flight ID Editable Display Page ............................................................................. 3-1

Figure 3-3 Bluetooth Page ..................................................................................................... 3-5

Figure 3-4 Bluetooth Pair Request Page ................................................................................ 3-5

Figure 3-5 Paired Device List Page ......................................................................................... 3-5

Figure 3-6 Auto-reconnect Page ........................................................................................... 3-5

Figure 3-7 Unpair Device? Page ............................................................................................ 3-6

Figure 3-8 (Selected) Bluetooth Device Name Page ............................................................... 3-6

Figure 7-1 ADS-B 1090 Failed Screen .................................................................................... 7-1

Figure 7-2 ADS-B 1090 and Transponder Failed Screen ......................................................... 7-1

List of Tables

Table 2-1 Mode Section Key Functions ................................................................................ 2-2

Table 2-2 Squawk Code Key Functions ................................................................................ 2-3

Table 2-3 Squawk Codes ..................................................................................................... 2-3

Table 2-4 Function Keys ...................................................................................................... 2-4

Table 5-1 FIS-B Weather Products ........................................................................................ 5-2

Table 6-1 GTX 345 Connext Features .................................................................................. 6-1

Table 7-1 Troubleshooting .................................................................................................. 7-2

TABLE OF CONTENTS

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vi GTX 335/345 Pilot’s Guide 190-01499-00 Rev. E

1 – GTX 3X5 SERIES XPDR

GTX 3X5 XPDR

1 GTX 3X5 SERIES TRANSPONDERS

The GTX 3X5 Series Transponders are panel mount and remote transponders. Both

models are TSO-C112e (Level 2ens, Class 1) compliant mode S transponders with TSO-C166b compliant ADS-B Out 1090 MHz Extended Squitter functionality.

1.1 GTX 335 Transponder

GTX 335 Features:

• ADS-B Out

• TIS traffic display output and aural alerting

• Altitude deviation alerting

• Timers: count up, count down, flight, trip

• Static (Outside) air temperature display

• Density and pressure altitude display

• Internal GPS (Optional)

For more information on TIS traffic refer to the display’s operator’s manual and the FAA Aeronautical Information Manual (AIM), 4-1-17.

1.2 GTX 345 Transponder

The GTX 345 includes ADS-B In functionality, when connected to a suitable display. GTX 345 Features:

• ADS-B Out

• Dual-band ADS-B In traffic display output and aural alerting

• Integration with TCAD/TAS/TCAS I traffic systems

• FIS-B weather and flight information display output

• Bluetooth interface provides traffic, FIS-B, and other air data to a Portable Elec Device (PED)

• Altitude deviation alerting

• Timers: count up, count down, flight, trip

• Static (Outside) air temperature display

• Density and pressure altitude display

• Internal GPS (Optional)

tronic

1 - GTX 3X5 SERIES XPDR

190-01499-00 Rev. E GTX 335/345 Pilot’s Guide 1-1

1 – GTX 3X5 SERIES XPDR

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1-2 GTX 335/345 Pilot’s Guide 190-01499-00 Rev. E

1 – GTX 3X5 SERIES XPDR

NOTE

GTX 3X5 XPDR

2 GTX 3X5 CONTROLS

2.1 Panel Mount Transponder Controls

The GTX 3X5 series transponders have an auto-dimming display and keypad layout. The keys access the transponder’s controls and features.

Powers on, disables altitude reporting.

ALT

Powers on, enables altitude reporting.

VFR

Changes to the preprogrammed squawk code for VFR.

OFF

Powers off.

SBY

Powers on or changes into standby mode.

IDNT

Activates the Ident function.

2.2 Mode Selection Keys

2 - GTX 3X5 CONTROLS

The transponder system no longer supports a pilot selectable GND mode. The transponder should always be in ALT mode prior to moving on the airport surface. It must be in ALT mode when operating in certain controlled airspace, in accordance with 14 CFR 91.215. For guidance on transponder operation, refer to the FAA Aeronautical Information Manual (AIM), 4-1-20(a)(3).

When on the ground or in the air always operate the transponder in ALT mode, unless otherwise requested by ATC. It is acceptable to go directly from OFF to ALT mode. It is not necessary to place in SBY mode for a “warm up” period. The transponder automatically determines whether the aircraft is in the air or on the ground and sends that information to other aircraft and ATC.

Automatic ALT Mode Switching

If the unit is configured for Automated Airborne Determination and senses a transition from on ground to in air, the unit automatically switches from SBY to ALT mode.

190-01499-00 Rev. E GTX 335/345 Pilot’s Guide 2-1

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