Japan Radio Co. JLN-740A, Instruction Manual

Page: 178 / 232

Chapter 13 Specification 13-18
■ ACK – Acknowledge alarm
$--ACK, xxx*hh<CR><LF>
1 2
1 :Alarm number
2 :Checksum
■ ACN (Alarm command)
$--ACN,hhmmss.ss,aaa,x.x,x.x,c,a*hh <CR><LF>
1 2 3 4 5 6 7
1 : Time
2 : Manufacturer mnemonic code
3 : Alert Identifier
4 : Alert Instance, 1 to 999999
5 : Alert command, A, Q, O or S
6 : Sentence status flag
7 : Checksum
■ HBT – Monitoring communication enabled/disabled
$
--
HBT, 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
$--DDC,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