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GTX 335/345 Series All-In-One ADS-B Transponder Pilot's Guide...
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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.
(iv) damage caused by service performed by anyone who is not an authorized service provider of Garmin; or (v) damage to a product that has been modified or altered without the written permission of Garmin.
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California’s Proposition 65. If you have any questions or would like additional information, please refer to our website at www.garmin.com/prop65/. WARNING To reduce the risk of unsafe operation, carefully review and understand all aspects of the GTX 3X5 Pilot’s Guide.
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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.
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Registration link on the home page. Be sure to record your serial number in the space provided below. Serial Number: This guide is available electronically at: www.garmin.com/manuals If you have any questions, the Garmin Product Support department can be reached Monday through Friday, 7:00 AM to 7:00 PM CT. US: 913-397-8200 US Toll Free: 1-866-739-5687...
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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.
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GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR 1 GTX 3X5 SERIES TRANSPONDERS The GTX 3X5 Series Transponders are panel mount and remote transponders. Both models are TSO-C112e (Level 2els, 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: •...
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GTX 3X5 XPDR 1 – GTX 3X5 SERIES 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. ON Powers on, disables altitude reporting. ALT Powers on, enables altitude reporting.
Table 2-1 Mode Section Key Functions ◦ The ON key selects the on mode. ◦ The transponder replies to interrogations.Replies do not include pressure altitude. ◦ The Reply ( ) symbol on the display indicates the transponder is responding. ◦ The ALT key selects the alt mode.
GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR 2.3 Squawk Code Keys There are eight squawk code entry keys (0 – 7). They provide access to all ATCRBS codes. Pressing one of the squawk code entry keys begins the code selection sequence. Digits that are not yet entered appear as underscored blanks.
2.5 Remote Transponder Control The GTX 3X5 transponder functions are controllable from connected, Garmin certified displays (e.g., GTN) or G1000 integrated flight deck. When the GTX 3X5 is installed in a location other than the cockpit instrument panel, remote control from a display is the only GTX 3X5 flight crew interface available.
GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR 3 DISPLAY FUNCTIONS AND SETTINGS The GTX 3X5 is organized into four menu groups shown on the right-hand side of the display. Each menu group contains a set of functions and settings. Menu groups include: ◦...
3.2 Timers (TMR) Press Press FUNC FUNC Press Press FUNC FUNC UP COUNTER – This page provides a stopwatch style counter. Manual start/stop/reset controls are via the ENT and CLR keys. DOWN COUNTER – This page provides notification in a count down style timer when the timer expires.
GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR 3.3 Altitude (ALT) Press FU NC Press FU NC Press Press FU NC FUNC PRESSURE ALT – This page displays the current pressure altitude. ALT MONITOR – This page displays the current altitude deviation from the altitude chosen to maintain.
3.4 System (SYS) Press Press FUN C FU N C Press Press FU NC FUN C BACKLIGHT – This page displays the current backlight level and backlight level and keys offset. The backlight level offset is via the CRSR and CONTRAST –...
GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR 3.4.1 Bluetooth Pairing Instructions For first time activation of Bluetooth devices: 1. Go to the GTX 345 Bluetooth page to enable pairing mode. Refer to figure 3-3. If connected to a GTN or GX000 via HSDB, refer to the display’s pilot’s guide. 2.
To unpair a device: 1. Highlight the device to be unpaired. 2. Then press the ENT key. Refer to figure 3-7. Figure 3-7 Unpair Device? Page To view the device name on the Bluetooth page: 1. Press the ENT key. 2.
GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR 4 ADS-B IN TRAFFIC (GTX 345 ONLY) NOTE Inherent inaccuracies exist in TIS-B and TAS/TCAS traffic position data. Because of this the GTX 345 may at times be unable to correlate targets from multiple sources for the same aircraft.
In fixed winged aircraft no aural alerts are given below 500 feet. 4.2 Helicopter Traffic Alerting A helicopter with a GTX 345 connected to a Garmin navigator or radar altimeter offers additional traffic alerting for helicopter operations. Traffic alerting volumes are tailored to...
GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR 4.2.2 No Source of Heading Data Due to helicopter maneuverability, ground track may not correspond to heading at low speeds. Limitations apply to GTX 345 installations with no source of heading data provided.
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GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR 5 FIS-B WEATHER AND FLIGHT INFORMATION The GTX 345 Flight Information Services–Broadcast (FIS-B) function is capable of receiving weather and flight information. FIS-B is a subscription-free service that is broadcast over the UAT (978 MHz) data link.
Table 5-1 FIS-B Weather Products Transmission Update Interval Weather Product Interval (Minutes) (Minutes) CONUS NEXRAD Regional NEXRAD AIRMETs As available. SIGMETs As available. Typically 20 minutes, then at 15 minute intervals for 1 hour. As available. METARS Typically hourly. Winds and Temperatures Aloft 12 hours Pilot Weather Report (PIREP) As available.
6 CONNEXT BLUETOOTH The GTX 345 Connext interface allows communication with applications (i.e., Garmin Pilot and ForeFlight Mobile), while running on a PED. Connext works via the Bluetooth data link to provide up-to-date, wireless information throughout the cockpit. Refer to section 3.4 for Bluetooth pairing instructions. Up to two Bluetooth connections are supported by the GTX 345.
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If the actions taken do not resolve the message, or if there are any questions, the Garmin Product Support department is available Monday through Friday, 7:00 AM to 7:00 PM Central Time.
7.2 Transponder System Messages NOTE Messages are not high priority. Their purpose is to provide additional information on abnormal system behavior. They do not require immediate pilot action. Any transponder failure will immediately display an alert with no pilot action necessary to view the alert. Depending on configuration, active messages display in the bottom left hand corner of the screen either as a flashing or solid MSG.
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GTX 3X5 XPDR 1 – GTX 3X5 SERIES XPDR SYSTEM MESSAGE EXPLANATION FLIGHT CREW ACTION 1. Check power and/or circuit breaker ADS-B The unit is not receiving GPS. for the GPS position source Position Input Failed (e.g., GTN or GNS). 2.
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SYSTEM MESSAGE EXPLANATION FLIGHT CREW ACTION 1. Check power and/or circuit breaker Traffic Processing Failed The unit cannot process traffic for the GPS position source because the unit isn't receiving (e.g., GTN or GNS). enough information or the unit has an internal fault.