(talker) (IEC 61162-1:2007(E) (NMEA 0183) messages:
Speed and distance
Name Description Example
VTG
Course over ground and ground speed $VDVTG,,,,,x.x,N,x.x,K,a*hh<CR><LF>
VHW
Water speed and heading
(In a DL21 “SOG only” mode VHW will show
water speed from DL1)
$VDVHW,,,,,x.x,N,x.x,K*hh <CR><LF>
VLW
Dual ground/water distance
(In a DL21 “SOG only” mode VLW will show
water trip and total from DL1)
$VDVLW,x.x,N,x.x,N*hh<CR><LF>
VLW IEC07
Dual ground/water distance
(In a DL21 “SOG only” mode VLW will show
water trip and total from DL1)
$VDVLW,x.x,N,x.x,N,x.x,N,x.x,N*hh<CR><LF>
VBW
Dual ground/water speed
(In a DL21 “SOG Only” mode VBW rst eld
will show data from DL1 STW)
$VDVBW,x.x,x.x,A,x.x,x.x,A,x.x,A,x.x,A*hh <CR><LF>
VBWX
Dual ground DL2/water DL1 speed
(In a DL21”SOG+STW” mode VBWX will
show SOG data from DL2 and STW data from
DL1.)
$PSKPVBWX,x.x,x.x,A,x.x,x.x,A,x.x,A,x.x,A*hh <CR><LF>
Temperature
Name Description Example
MTW
Water temperature $VDMTW,x.x,C*hh<CR><LF>
Alarm
Name Description Example
ALR
Set alarm state $VDALR,hhmmss.ss,xxx,A,A,<Alarm message> *hh<CR><LF>
ALF
$VDALF,x,x,x,hhmmss.ss,a,a,a,aaa,x.x,x.x,x.x,x,c---c*hh<CR><LF>
ALC
Cyclic alert list $VDALC,xx,xx,x.x,aaa,x.x,x.x,x.x,...,aaa,x.x,x.x,x.x*hh<CR><LF>
ARC
Alert command refused
(Not in use by DL2)
$VDARC,hh,mm,ss.ss,aaa,x.x,x.x,c*hh<CR><LF>
HBT
Heartbeat $VDHBT,xx,A*hh<CR><LF>
Depth
Name Description Example
DPT
Depth $IIDPT,x.x,x.x*hh<CR><LF>
Values will be preceded with sign as needed ( e.g “-“ = Astern, Port).
*hh = Checksum.
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