Marport Scala2, User Manual

Page: 158 / 177

Scala2 | Version 5 | Appendix
Appendix
Compatible Incoming NMEA Sentences
Scala2 can decode and use the following types of NMEA sentences coming from external devices
(GPS, winch system, sounder...).
NMEA 0183 Standard Sentences
Symbol (*) indicates which parts of the sentence Scala2 uses.
NMEA Sentence Format
First compliant
version
of Scala
DBK - Depth
Below Keel
$--DBK,a.a,F,b.b,M,c.c,F*hh<CR><LF>
1. $--: Talker identifier*
2. DBK: Sentence formatter*
3. a.a,F: Depth, feet
4. b.b,M: Depth, meters*
5. c.c,F: Water depth, fathoms
6. *hh: Checksum*
1.4.0.0
DBT -
Depth Below
Transducer
$--DBT,a.a,F,b.b,M,c.c,F*hh<CR><LF>
1. $--: Talker identifier*
2. DBT: Sentence formatter*
3. a.a,F: Water depth, feet*
4. b.b,M: Water depth, meters*
5. c.c,F: Water depth, fathoms*
6. *hh: Checksum*
1.2.0.0
DPT - Depth
$--DPT,a.a,b.b,c.c*hh<CR><LF>
1. $--: Talker identifier*
2. DPT: Sentence formatter*
3. a.a: Water depth relative to the transducer, meters*
4. b.b: Offset from transducer, meters (positive = distance
from transducer to water line; negative = distance from
transducer to keel)*
5. c.c: Maximum range scale in use
6. *hh: Checksum*
1.0.0.0
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