7-10
hsb
2
Plus Series Fishfinders
NMEA-Out Set Up
For example, if the DPT (depth) sentence is set ON but the fishfinder’s
transducer is designed to sense temperature and speed only, the depth value
will be transmitted as zero. If you also have an ST60 Depth instrument
installed, there may be confusion between the zero depth sent by the fishfinder
and the actual depth sent by the ST60. Turning OFF the DPT sentence disables
the reading from the fishfinder.
The factory default for all NMEA sentences is transmission ON. Disable the
sentence by selecting the OFF soft key. The following table displays the
available NMEA sentences and their meanings.
The messages will not stop transmitting until after ENTER is pressed. Consult
your NMEA instrumentation documentation to determine which strings
should remain ON.
Note: TheL760/RC Plus outputs the same depth value for DBT and DPT, re-
gardless of the Depth Offset value in Sonar Setup.
Table 7-2: NMEA Sentences
Sentence Meaning
APB Autopilot Sentence “B”
BWC Bearing & Distance to Waypoint
BWR Bearing & Distance to Waypoint – Rhumb Line
DBT Depth Below Transducer (see note below)
DPT Depth (see note below)
MTW Water Temperature
RMB Recommended Minimum Navigation Information
RSD Radar System Data
RTE Routes
TTM Tracked Target Message
VHW Water Speed and Heading
VLW Distance Travelled through the Water
WPL Waypoint Location
GGA Global Positioning System Fix Data
GLL Geographic Position – Latitude/Longitude
RMA Recommended Minimum Specific Loran-C Data
RMC Recommended Minimum Specific GPS/TRANSIT Data
VTG Course Over Ground and Ground Speed
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