9-11 Chapter 9 Specification
9
■ ALC – Cyclic alert list
$VDALC,xx,xx,xx,x.x,aaa,x.x,x.x,x.x,……,aaa,x.x,x.x,x.x*hh <CR><LF>
1 2 3 4 5 6 7 8 5 6 7 8 9
1 : Total number of sentences for this message, 01 to 99
2 : Sentence number, 01 to 99
3 : Sequential message identifier, 00 to 99
4 : Number of alert entries
5 : Manufacturer mnemonic code
6 : Alert identifier
7 : Alert instance
8 : Revision counter
9 : Checksum
■ ARC – Alert command refused
$ VDARC, hhmnss.ss, aaa, x.x, x.x, c*hh<CR><LF>
1 2 3 4 5 6
1 : Release time
2 : Alert specifically defined by the manufacturer
3 : Alert ID
4 : Alert instance
5 : Rejected alert command
6 : Checksum
■ HBT – Monitoring communication enabled/disabled
$ VDHBT, x.x, A, x*hh<CR><LF>
1 2 3 4
1 : Repetition cycle setting
2 : Equipment status
3 : Sequence number
4 : Checksum
■ DDC – Display dimming control
$VDDDC,a, xx,a,a*hh<CR><LF>
1 2 3 4 5
1 : Display dimming preset
2 : Brightness percentage 00 to 99
3 : Color palette
4 : Sentence Status Flag
5 : Checksum
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