Garmin GPSMAP 196 Pilot's Guide - Page 111
Interfacing, Removing the GPS Antenna - download
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Interfacing The following formats are supported for connection of external devices: Garmin proprietary Differential GPS (DGPS), Garmin proprietary aviation input, NMEA 0183 (versions 3.0), ASCII Text Output, RTCM SC-104 input (version 2.0). The following are the sentences for NMEA 0183, version 3.0 output: Approved sentences - GPRMC, GPGGA, GPRMB, GPGLL, GPBWC, GPVTG, GPXTE and GPBOD; Proprietary sentences - PGRME, PGRMZ, PGRMM and PSLIB. The GPSMAP 196 also includes optional NMEA sentences for the GPGSA, GPGSV, GPWPL, GPRTE. You can download a copy of Garmin's proprietary communication protocol from the Help and Support section of our Web site at www.garmin.com Removing the GPS Antenna You can remove the antenna to use an external antenna. After the antenna is removed, the BNC connector is exposed and ready for use with an external antenna. For information on connecting an external antenna to the GPSMAP 196, refer to the installation instructions that came with the antenna. APPENDIX > INSTALLATION INFORMATION To remove the GPS antenna: 1. Remove the external power cable from the connector on the back of the GPSMAP 196. 2. Rotate the antenna to approximately a seven o'clock position. The alignment notches in the casing must line up with the notches on the antenna. 3. Pull the antenna away from the GPSMAP 196 unit. Removing the GPS Antenna GPSMAP 196 Pilot's Guide 103