Garmin GPSMAP 496 - Manual (Page 126)

8 GPSMAP 496 Owner’s Manual
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Advanced NMEA Output Setup
If you are going to interface the GPSMAP 496 with another piece of
equipment (such as a radar or autopilot), the unit needs to be set to
output NMEA data. The NMEA data transmission can be customized
to keep the output rate at two seconds. If too many NMEA sentences
are selected the unit can take longer than two seconds to update. You
can also set the rate to Fast to output a minimum number of NMEA
sentences at 1-sceond intervals.
To access the Advanced NMEA Output Setup:
1. Press MENU twice to open the Main Menu.
2. Use the ROCKER to select Setup from the vertical tab list.
3. Select Interface from the row of tabs along the top.
4. Highlight the field below Serial Data Format. Press ENTER.
5. Select NMEA In/NMEA Out. Press ENTER.
6. Press MENU to open the options menu. Select Advanced
NMEA Setup, and press ENTER.
Advanced NMEA Output Setup
The Advanced NMEA Output Setup Page allows you to set the
output rate, change the precision of the Lat/Lon minutes, set
Waypoint IDs to names or numbers, as well as turn on and off the
GPS status, the GARMIN Proprietary sentences, and Waypoint/
Route (WPL, RTE).
GPSMAP 496 NMEA Sentence Output (NMEA version 3.01
compliant):
Always transmitted: GPRMC, GPGGA, GPGLL, GPBWC,
GPVTG, GPXTE, GPRMB
Switchable sentences: GPGSA, GPGSV, GPWPL, GPRTE
GARMIN proprietary: PGRME, PGRMZ, PGRMM, PGRMH
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