Garmin GTX GTX 330D Pilot's Manual - Page 10

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Also for Garmin GTX GTX 330D: Pilot's Manual Addendum (50 pages), Pilot's Manual Addendum (50 pages), Pilot's Manual (13 pages), Installation Manual (49 pages)

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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 provides a data link for Traffic Information Service

(TIS). TIS is derived through a Mode S transponder data link and viewed on a multifunction

display. ATC radar sends a traffic picture within a radius of 55 miles from select sites. The

TIS protected area is a cylinder of 7-mile radius, extending 3500' above and 3000' below the

aircraft. Refer to the AIM Chapter 1 for more details.

TIS provides a graphic display of traffic information in the cockpit for non-TCAS equipped

aircraft. Transponder-equipped aircraft can be displayed within the coverage volume within

range of your position on indicators such as a Garmin GNS 430 or GNS 530, GNS 480, and

GMX 200. Aircraft without an operating transponder are invisible to TIS. Refer to 400/500

series, GNS 480, or GMX 200 pilot literature for details.

Automatic Dependent Surveillance-Broadcast (ADS-B) technology improves situational

awareness and flight safety. With ADS-B capabilities, position, velocity, and heading

information are automatically transmitted to other aircraft and ground stations. The current

air traffic control system depends on a transponder request for pertinent aircraft information

and does not include 3D position. ADS-B provides automatic transmission of aircraft

information without a request.

(Setting options; male/female voice or tone, and volume level.)

• "Leaving Altitude" - Altitude Monitor deviation is exceeded.

• "Traffic" - TIS traffic alert is received.

• "Traffic Not Available" - TIS service is not available or out of range.

• "Timer Expired" - Count down time has expired.