Garmin GTX 33 Installation Manual

Contents

Garmin GTX 33 Installation Manual Manual pdf 46 page image

EXTERNAL IDENT SELECT (remote IDENT) is a momentary input. Refer to the GNS 480 (CNX80) orthe appropriate GTN 6XX/7XX Installation Manual for remote ident configuration.EXTERNAL STANDBY SELECT (remote STANDBY) is used when two GTX 33 systems are installedin an aircraft. Refer to Figure D-4, for the EXTERNAL STANDBY SELECT interconnect. WhenEXTERNAL STANDBY SELECT is grounded, ARINC 429 OUT PORT 1 remains active, while PORT 2is inactive.When TIS is inactive, the GTX 33 logs onto TIS service when a momentary ground is applied toP3301-46. When TIS is active, a momentary ground logs off of TIS service. Refer to the GNS 480(CNX80) Installation Manual, MX20 Installation Manual, or appropriate GTN 6XX/7XX InstallationManual for TIS configuration.An AUDIO MUTE SELECT mute switch may be used to control TIS audio alerts. TIS (Traffic) Mutemust be clearly marked with MUTE ON/MUTE OFF or TIS Audio ON/Audio OFF labels. The mutingfeature may be enabled through a Multi-Function display. In order to prevent inadvertent muting, the statusof muting must default to "Mute off" upon each power cycle. Refer to the GNS 480 (CNX80) InstallationManual or appropriate GTN 6XX/7XX Installation Manual for AUDIO configuration.4.6 Serial Data Electrical CharacteristicsThe GTX 33 manages support for several equipment interfaces. The GTX 33 can be configured to includeGPS, Airdata, AHRS, EFIS/Airdata, and ADLP 429 inputs, functioning as an ARINC 429 dataconcentrator.