JRC JFE-380 Instruction Manual page 47

Depth output
$SDDBS, xxx.x, f, xxx.x, M, xxx.x, F(CR)(LF)
(1)
$SDDBT, xxx.x, f, xxx.x, M, xxx.x, F(CR)(LF)
(1)
$SDDBK, xxx.x, f, xxx.x, M, xxx.x, F(CR)(LF)
(1)
(1) Depth value after compensation (in feet)
(2) Depth value after compensation (in meters)
(3) Depth value after compensation (in fathoms)
(4) No check sum
$SDDPT, xxx.x, x.x, x.x *hh (CR)(LF)
(1) (2) (3) (4)
(1) Depth measured from the transducer regardless of the depth display mode setting(in
meters only.)
(2) According to the depth display mode:
DISP-SURF: Draft value (no + or – sign preceding values)
DISP-TRANS: 0.0
DISP-KEEL: Keel height compensation (– sign preceding values)
(3) Measuring range: RANGE (in meters only)
(4) Checksum (result after each ASCII code of every character between "S" just after "$"
and "X" just before " * " is EXORed.)
$PJRCU,SD,x.x,x.x,x.x,x.x,xx,c-c*hh<CR><LF>
(1) (2) (3) (4) (5) (6) (7)
(1) Water depth relative to transducer, meters.
(2) Offset from transducer, meters
(3) Maximum range scale in use, meters
(4) Reserved
(5) Echo sounder channel number 1:reserved 2:50 kHz or 50kHz-A 3: 200 kHz
(6) Transducer location FWD/MID/AFT
(7) Checksum (result after each ASCII code of every character between "S" just after "$"
and "X" just before " * " is EXORed.)
(2) (3)
(2) (3)
(2) (3)
4. Operation 35