Users Manual Part 7

APPENDIX 2 DIGITAL INTERFACE
AP-14
EVE - General event message
HBT - Heartbeat supervision sentence
OSD- Own ship data
RSD - Radar system data
$ **EVE,hhmmss.ss,c--c,c--c*hh <CR><LF>
1 2 3
1. Event time
(000000.00 to 235959.99, 235960.00 to 235960.99, 240000.00 to 240000.99,
240001.00 to 240001.99, null)
2. Tag code used for identification of source of event (six alphanumeric characters, two English
characters, four digits)
3. Event description (OPERATION)
$**HBT,x.x,A,x*hh<CR><LF>
1 2 3
1. Configured repeat interval (60.0(s))
2. Equipment status (A=Normal)
3. Sequential sequence identifier (0 to 9)
$**OSD,x.x,A,x.x,a,x.x,a,x.x,x.x,a*hh<CR><LF>
1 2 3 4 5 6 7 8 9
1. Heading, degrees true (0.0 to 359.9, null)
2. Heading status (A:data valid, V:data invalid)
3. Vessel course, degrees true (0.0 to 359.9, null)
4. Course reference (B=Bottom tracking log, M=Manually entered, W=Water referenced,
R=Radar tracking (of fixed target), P=Positioning system ground reference, null)
5. Vessel speed (0.0 to 99.9, null)
6. Speed reference (B=Bottom tracking log, M=Manually entered, W=Water referenced,
R=Radar tracking (of fixed target), P=Positioning system ground reference, null)
7. Vessel set, degrees true, manually entered (0.0 to 359.9, null)
8. Vessel drift (speed), manually entered (0.0 to 19.9, null)
9. Speed units (K=km/h, N=knots, S=statute mile/h, null)
$**RSD, x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,a,a *hh <CR><LF>
1 2 3 4 5 6 7 8 9 10 11
1213
1. Origin 1 range, from own ship (0.000 to 9.999, 10.00 to 99.99, 100.0 to 999.9, 1000 to 9999, null)
(see note)
2. Origin 1 bearing, degrees from 0 (0.0 to 359.9, null) (see note)
3. Variable range marker 1(VRM1), range (0.000 to 9.999, 10.00 to 99.99, 100.0 to 999.9, null)
4. Bearing line 1(EBL1), degrees from 0 (0.0 to 359.9, null)
5. Origin 2 range (0.000 to 9.999, 10.00 to 99.99, 100.0 to 999.9, 1000 to 9999, null) (see note)
6. Origin 2 bearing (0.0 to 359.9, null) (see note)
7. VRM2,.9 range (0.000 to 9.999, 10.00 to 99.99, 100.0 to 999.9, null)
8. EBL2, degrees (0.0 to 359.9, null)
9. Cursor range, from own ship (0.000 to 9.999, 10.00 to 99.99, 100.0 to 999.9, null)
10. Cursor bearing, degrees clockwise from 0 (0.0 to 359.9, null)
11. Range scale in use (0.125 to 120.0)
12. Range units (K=km, N=NM, S=statute miles, null)
13. Display rotation (C, H, N, null)
C=Course-up, course-over-ground up, degrees true
H=Head-up, ship's heading(center-line) 0 up
N=North-up, true north is 0 up
NOTE: Origin 1 and origin 2 are located at the stated range and bearing from own ship and provide for
two independent sets of variable range markers (VRM) and electronic bearing lines (EBL)
originating away from own ship position.