Japan Radio Co. JLN-740A, Instruction Manual

Page: 181 / 232

13-21 Chapter 13 Specification
1
13
1
Output data format
■ VBW – Dual ground/water speed
Version 1.5
No VBW sentence output
Version 2.1
$VDVBW, x.x,x.x,A,x.x,x.x,A *hh<CR><LF>
1 2 3 4 5 6 11
Version 2.3, 4.0, IEC 61162-1
$VDVBW, x.x,x.x,A,x.x,x.x,A,x.x,A,x.x,A*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 11
1 : Fore/after speed over water, knots “-“ = astern
2 : Transverse speed over water, knots “-“ = port
3 : Status: speed over water A = data valid, V = data invalid
4 : Fore/after speed over the ground, knots “-“ = astern
5 : Transverse speed over the ground, knots “-“ = port
6 : Status: speed over the ground A = data valid, V = data invalid
7 : Stern starboard/port speed over water, knots “-“ = port
8 : Status: stern speed over water A = data valid, V = data invalid
9 : Stern starboard/port speed over the ground “-“ = port
10 : Status: stern speed over the ground A = data valid, V = data invalid
11 : Checksum
■ VLW – Dual ground/water distance
Version 1.5
$VDVLW, xxxx.x,N,xxx.xx,N<CR><LF>
1 2
Version 2.1, 2.3
$VDVLW, x.x,N,x.x,N *hh<CR><LF >
1 2 3
1 : Total distance, nautical miles
2 : Trip distance, nautical miles
3 : Checksum
Version 4.0, IEC 61162-1
$VDVLW, x.x,N,x.x,N,x.x,N,x.x,N*hh<CR><LF>
1 2 3 4 5
1 : Total water distance, nautical miles
2 : Trip distance over water, nautical miles
3 : Total distance over the ground, nautical miles
4 : Trip distance over the ground, nautical miles
5 : Checksum