Garmin GPSMAP 198C Owners Manual - Page 106

Interfacing, for the DPT Depth, MTW Water Temp and VHW Water Speed

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APPENDIX > INTERFACING Interfacing The following formats are supported for connection of external devices: Garmin proprietary Differential GPS (DGPS), NMEA 0183 versions 2.3, ASCII Text Output, RTCM SC-104 input (vs. 2.0). The following are the sentences for NMEA 0183, vs. 2.3 output: Approved sentences-GPRMC, GPGGA, GPGSA, GPGSV, GPGLL, GPBOD, GPRTE, and GPWPL. Proprietary sentences-PGRME, PGRMZ, and PSLIB. The GPSMAP 198C Sounder accepts NMEA input with support for the DBT, DPT, MTW, and VHW sentences. The GPSMAP 198C Sounder also includes NMEA input with support for the WPL sentence and sonar NMEA input with support for the DPT (Depth), MTW (Water Temp) and VHW (Water Speed & Heading) sentences. If connecting to COM 2 for sonar NMEA input, the unit interface must be set to NMEA In/NMEA Out. If connecting to COM 1, the unit must be set to NMEA In/NMEA Out. You can download a copy of Garmin's proprietary communication protocol on the Help and Support section of our Web site at www.garmin.com. Complete information regarding NMEA and RTCM formats is available for purchase at www.nmea.org 100 GPSMAP 198C Sounder Owner's Manual

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100
GPSMAP 198C Sounder Owner’s Manual
A
PPENDIX
>
I
NTERFACING
Interfacing
The following formats are supported for connection of external
devices:
Garmin proprietary Differential GPS (DGPS), NMEA 0183
versions 2.3, ASCII Text Output, RTCM SC-104 input (vs. 2.0).
The following are the sentences for NMEA 0183, vs. 2.3 output:
Approved sentences
—GPRMC, GPGGA, GPGSA, GPGSV,
GPGLL, GPBOD, GPRTE, and GPWPL.
Proprietary sentences
—PGRME, PGRMZ, and PSLIB. The
GPSMAP 198C Sounder accepts NMEA input with support for the
DBT, DPT, MTW, and VHW sentences.
The GPSMAP 198C Sounder also includes NMEA input with
support for the WPL sentence and sonar NMEA input with support
for the DPT (Depth), MTW (Water Temp) and VHW (Water Speed
& Heading) sentences. If connecting to COM 2 for sonar NMEA
input, the unit interface must be set to NMEA In/NMEA Out. If
connecting to COM 1, the unit must be set to NMEA In/NMEA
Out.
You can download a copy of Garmin’s proprietary communication
protocol on the Help and Support section of our Web site at
www.garmin.com.
Complete information regarding NMEA and RTCM formats is
available for purchase at www.nmea.org