GPSMAP 176/176C Owner’s Manual
77
M
AIN
M
ENU
>
S
ETUP
T
AB
NMEA Interface
If you are going to interface the GPSMAP 176/176C with another
piece of equipment (such as a radar or autopilot), the unit needs to
be set to output NMEA data. The NMEA data can be customized to
shorten the update time from the unit. If too many NMEA sentences
are activated, the unit may take longer than two seconds to update.
To activate the NMEA data:
1. With the GPSMAP 176/176C turned on, press
MENU
twice to
display the Main Menu. Use the
ROCKER
to select the Setup-
Interface tab.
2. Highlight the
Serial Data Format
field and press
ENTER
.
3. Select
NMEA In/NMEA Out
and press
ENTER
.
Advanced NMEA Output Setup
The GPSMAP 176/176C NMEA data transmission can be customized
to keep the output rate at two seconds. If the unit is set up to output
all of the available NMEA sentences, the output rate may exceed
two seconds. The Advanced NMEA Output Setup page allows you
to turn on/off the GPS status (GSA, GSV), Waypoint/Route (WPL,
RTE), and the Garmin Proprietary sentences. You can also change the
precision of the Lat/Lon minutes.
Advanced NMEA Setup Page
To set up the Advanced NMEA page:
1. With
NMEA In/NMEA Out
selected, press
MENU
. Select
Advanced NMEA Setup
and press
ENTER
.
2. To turn a field On/Off, highlight the desired field and press
ENTER
. Make a selection and press
ENTER
again.
GPSMAP 176/176C NMEA Sentence Output
(NMEA version 2.3 compliant)
Always transmitted: GPRMC, GPGGA, GPGLL, GPBWC, GPVTG,
GPXTE, GPRMB
Switchable sentences: GPGSA, GPGSV, GPWPL, GPRTE
Garmin proprietary: PGRME, PGRMZ, PGRMM
Summary of Contents for GPSMAP 176
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