Furuno FM-8900S Operator's Manual page 118

APPENDIX 4 DIGITAL INTERFACE
Output Sentences (IE 61162-1 compliant)
ALR, DSC, DSE, TLL
Output sentence description
• ALR - Set alarm state
$CVALR,hhmmss,xxx,A, A,c--c*hh<CR><LF>
1 2 3 4 5
1. Time of alert condition change, UTC
2. Unique alert ID at alert source
3. Alert condition (A = threshold exceeded, V = not exceeded)
4. Alert's acknowledge state (A = acknowledged, V = unacknowledged)
5. Alert's description text
• DSC - Digital selective calling information
$CVDSC,xx,xxxxxxxxxx,xx,xx,xx,x.x,x.x,xxxxxxxxxx,xx,a,a*hh<CR><LF>
1 2
1. Format specifier (2 digits)
2. Address (10 digits)
3. Category (2 digits or NULL)
4. Nature of Distress or first telecommand (2 digits or NULL)
5. Type of Communication or second telecommand (2 digits)
6. Position or Channel /Frequency (10 digits or 6 digits or NULL)*
7. Time or Tel. No. (Max. 16 digits)
8. MMSI of ship in distress (10 digits or NULL)
9. Nature of distress (2 digits or NULL)
10. Acknowledgement (R=Acknowledge request B=Acknowledgement S=Neither (end of sequence)
11. Expansion indicator (E or NULL)
*: If a NO INFO symbol is inserted in the output DSC
message's DSC frequency field, NULL is output.
• DSE - Expanded digital selective calling
$CVDSE,x,x,a,xxxxxxxxxx,xx,c--c,..........,xx,c--c*hh<CR><LF>
1 2 3 4
1. Total number of sentences (fixed value)
2. Sentence number (fixed value)
3. Query/reply flag (fixed value A=Automatic)
4. Vessel MMSI (10 digits)
5. Data set '1' (code field, fixed value 00)
6. Data set '1' (data field, Enhanced position resolution, Max. 8 characters), NULL
7. Additional data sets
8. Data set 'n' (NULL)
9. Data set 'n' (NULL)
: This equipment outputs only "Data set 1".
*
• TLL - Target latitude and longitude
$CVTLL,xx,llll.ll,a,yyyyy.yy,a,c--c,hhmmss.ss,a,a*hh<CR><LF>
1 2 3
1. Target number, NULL
2. Latitude (0.0000 - 9000.0000)
3. N/S
4. Longitude (0.0000 - 18000.0000)
5. E/W
6. Target name, NULL
7. UTC of data (000000 - 235959)
8. Target status, NULL
9. Reference target, NULL
AP-18
3 4 5 6 7
5 6 7 8
, NULL
*
*
*
4 5 6 7
8 9 10 11
9
8 9