Garmin GPSMAP 196 - Manual (Page 111)

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.
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
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PPENDIX
> I
NSTALLATION
I
NFORMATION