NAVIS NavDP 4000 Series Operation Manual page 293

Sensors and Ref-Systems Raw Data
a — Alarm condition (H = alarm state, threshold exceeded, N = normal state)
a — Alarm's acknowledgement state (A = acknowledged, V = not acknowledged)
c–c — Alarm's description text (alarm's source alarm's ID)
hh — Checksum
Example
$RCALA,122644.57,OT,DP,,1425,N,A,|CP_0_SOFTWARE_UPDATE_STARTED * 74
ALR Message: Set Alarm State
The message format:
$--ALR,hhmmss.ss,xxx,A,A,c--c * hh
where
hhmmss.ss — Time of an alarm condition change, UTC
xxx — Unique alarm number (identifier) in an alarm source
A — Alarm condition (A = threshold exceeded, V = not exceeded)
A — Alarm's acknowledge state (A = acknowledged, V = not acknowledged)
c–c — Alarm's description text (alarm's source alarm's ID)
hh — Checksum
Example
$RCALR,134352.18,1703,A,A,A|CPU_A_ACTIVE * 74
GLL Message: Geographic Position — Latitude/Longitude
The message format:
$--GLL,llll.ll,a,yyyyy.yy,a,hhmmss.ss,A,a * hh
where
llll.ll — Latitude
a — N/S
yyyyy.yy — Longitude
a — E/W
hhmmss.ss — UTC of position
A — Status (A = data valid, V = data invalid)
a — Mode indicator (A = Autonomous mode, E = Estimated mode (dead reckoning), N = Data not valid)
hh — Checksum
Example
$RCGLL,2959.9999,N,08959.9992,W,123315.71,V,E * 6E
Doc. 000.JDP-10000-OME, rev.3.3.13/"2102.$–17A-Advanced"
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