Garmin aera 795/796 Pilot’s Guide190-01194-00 Rev. AAppendix D147Overview GPS Navigation Flight Planning Hazard Avoidance Additional Features Appendices IndexCONNECTING TO A GTX 330 MODE S TRANSPONDERTo receive Mode S TIS traffic data from a GTX 330 transponder on your aera 795/796,connect an available RS-232 OUT wire on the transponder to the Data In wire on theaera 795/796. (You do not need to connect the transponder to the aera’s Data Outwire.) Then, set the corresponding RS-232 output configuration on the transponder toREMOTE + TIS and set the aera’s Serial Data Format to TIS In or TIS In/NMEA & VHFOut. For more information, see the GTX 330 Transponder Installation Manual.Configuring TIS input:1) Connect the aera 795/796 to the GTX 330 using the Aviation Bare WireConnector (optional accessory).2) From the Main Menu, touch Tools > Setup > Interface.3) Touch the 'Serial Data Format' datafield button. A vertical list is displayed.4) Touch 'TIS In' or 'TIS In/NMEA & VHF Out'.The TIS Status field indicates one of the following messages:• Waiting For Data—searching for a valid TIS data stream.• Data Available—receiving TIS data from the transponder.• Data Unavailable—connection to transponder established, but TIS service isunavailable.• Lost Connection—an error occurred or the connection to the transponder waslost.INTERFACINGThe following formats are supported for connection of external devices: NMEA 0180,0182, 0183 (versions 1.5, 2.0, 2.3, 3.01), ASCII Text Output, and Garmin proprietaryformats for connecting to a Mode S transponder for TIS data, and to a Garmin aviationNAV/COM radio.The following are the Approved Sentences for NMEA 0183, version 3.01 output:GPRMC, GPGGA, GPGSA, GPGSV, GPGLL, GPBOD, GPRTE, and GPWPL. The followingare the Proprietary Sentences for NMEA 0183, version 3.01 output: PGRME, PGRMZ,PGRMM, and PGRMH.Garmin’s proprietary communication protocol is available from the Web site (www.garmin.com).
