Raymarine DS400 & DS500 用户手册

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DS400 and DS500 Digital Fishfinders

•

12 HOUR (default)

•

24 HOUR 

This option lets you disable the transmission of specific NMEA sentences, 
which may be necessary if you have other instruments sending the same data 
as your sounder.

The factory default for all NMEA sentences is transmission ON. Disable the 
sentence by selecting OFF. 

The following table displays the available NMEA sentences and their 
meanings.

1

Data repeated from external device

Table 6-2:  NMEA Sentences

BWC

Bearing & Distance to Waypoint

1

BWR

Bearing & Distance to Waypoint – Rhumb Line

1

DBT

Depth Below Transducer

DPT

Depth

GLL

Geographic Position – Latitude/Longitude

1

MTW

Water Temperature

VHW

Water Speed and Heading

VLW

Distance Travelled through the Water

VTG

Course Over Ground and Ground Speed

1

ZDA

Time and Date

1