AIS-700 User Manual
San Jose Technology, Inc.
｜
11F., No.2, Sec. 4, Jhongyang Rd., Tucheng City, Taipei County 236, Taiwan
(R.O.C.)
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Tel: 886-2-22694456
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Fax: 886-2-22694451
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5.12 AIS Alarm Messages (NMEA 0183 ALR, Text)
ALR message format
$--ALR,hhmmss.ss,xxx,A,A,c--c*hh<CR><LF>
•
hhmmss.ss = Time of alarm (UTC)
•
xxx = Unique alarm number
•
A = Alarm condition
•
A = Alarm acknowledge state
•
c--c = Alarm description, text
Alarms descriptions presented are:
•
AIS: TX malfunction
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AIS: no sensor position in use
•
AIS: no valid SOG information
•
AIS: no valid COG information
AIS: Background noise above -77dBm
5.13 ACK messages
Can be generated by a minimum keypad and display (MKD) unit, chart plotter or other
display device connected to the AIS700 to acknowledge an alarm condition reported by
the AIS700.
$--ACK,xxx*hh <CR><LF>
•
xxx = Unique alarm number
Содержание AIS-700
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