When using US feet in the as Survey Units:
the Serial driver "NMEA (DPT-DBT-DBS) (With Annotation)" does not decode international feet from DBT/DBS string according to the coding notes
The driver "Network - NMEA (DPT-DBT-DBS)" (which is a different executable), does have this functionality according to the coding notes in the drivers manual.
Implements the option to use water depth relative to transducer from the NMEA DBT and NMEA DBS strings in:
- Feet when using US feet as Survey Units:
- Fathoms when using Fathoms as Survey Units: