JRC JFE-400 - Page 92

10.Appendix
10-6
3) DBK – Depth below keel
$--DBK, x.x, f, x.x, M, x.x, F*hh<CR><LF>
1 2 3
1: Water depth, feet
2: Water depth, meters
3: Water depth, fathoms
4) DBS – Depth below surface
$--DBS, x.x, f, x.x, M, x.x, F*hh<CR><LF>
1 2 3
1: Water depth, feet
2: Water depth, meters
3: Water depth, fathoms
5) PJRCU – Depth relative to transducer (2frequencies)
$PJRCU,SD,x.x,x.x,x.x,x.x,xx,c-c*hh<CR><LF>
1 2 3 4 5 6 7
1: Water depth relative to transducer, meters.
2: Offset from transducer, meters
3: Maximum range scale in use, meters
4: Reserved
5: Echo sounder channel number 1: reserved 2:50 kHz 3: 200 kHz
6: Transducer location FWD/MID/AFT
7: Checksum (result after each ASCII code of every character between "S" just after "$" and
"X" just before " * " is EXORed.)
6) PJRCS – Depth relative to transducer (2frequencies)
$PJRCS,DPT,x.x,x.x,x.x,x.x,xx,c-c*hh<CR><LF>
1 2 3 4 5 6 7
1: Water depth relative to transducer, meters.
2: Offset from transducer, meters
3: Maximum range scale in use, meters
4: Reserved
5: Echo sounder channel number 1: reserved 2:50 kHz 3: 200 kHz
6: Transducer location FWD/MID/AFT
7: Checksum (result after each ASCII code of every character between "S" just after "$" and
"X" just before " * " is EXORed.)
7) ALR – Set alarm state(Legacy Alert sentece)
$--ALR,hhmmss.ss,xxx,A,A,c--c*hh<CR><LF>
1 2 3 4 5
1: Time of alarm condition change, UTC
2: Alarm condition (A = threshold exceeded, V = not exceeded)
3: Unique alarm number (identifier) at alarm source
4: Alarm’s acknowledge state, A = acknowledged V = unacknowledged
5: Alarm’s description text