Garmin GPSMAP 496 User Manual

Page 170

GPSMAP 496 Owner’s Manual

Appendix >

Installation Information

GPBOD, GPRTE, and GPWPL. The following are the Proprietary

Sentences for NMEA 0183, version 3.01 output: PGRME, PGRMZ,

PGRMM, and PGRMH.
The GPSMAP 496 also includes NMEA input with support for the

BWC, DBT, DPT, MTW, VHW, VTG, and XTE sentences.
Garmin’s proprietary communication protocol is available from the

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 496, 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 496.

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 496 unit.

Removing the GPS Antenna