Furuno FE-700 manual Sentence Description, DPT Depth, DBS Depth below surface

3. Sentence Description

DPT - Depth

$--DPT,x.x,x.x,x.x*hh<CR><LF>

			+	----- 4
		+	---------	3
	+	------------		2
+	----------------			1

1. Water depth relative to trancsducer, in meters

2. Offset from transeducer, in meters(see notes 1 and 2)

3. Maximum range scale in use

4. Checksum

NOTE1 "positive"=distance from transeduser to water-line. "-"=distance from transducer to keel.

NOTE2 For IEC applications the offset should always be applied so as to provide depth relative to the keel.

DBS – Depth below surface

$--DBS,x.x,f,x.x,M,x.x,F*hh<CR><LF>

						+	--------- 4
				+--	+	-----------	3
		+--	+	-----------------			2
+--	+	-----------------------					1

1.Water depth, feet

2.Water depth, m

3.Water depth, fathoms

4.Checksum

DBT – Depth below transducer

$--DBT,x.x,f,x.x,M,x.x,F*hh<CR><LF>

						+	--------- 4
				+--	+	-----------	3
		+--	+	-----------------			2
+--	+	-----------------------					1

1.Water depth, feet

2.Water depth, m

3.Water depth, fathoms

4.Checksum

26