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*hh: Sentence checksum
When the GPS does not calculate the position, the sentence is as follows:
$PML5,V*hh
PML7: Alarm status
$PML7,ALARM,aa,bb,cd,ef,gh,ij,kl,m,n,op,qr*hh [CR][LF]
aa: Maximum number of alarms operating. The number of fields in the $PML7
sentence follows from this number.
bb = number of active alarms
cd = "GPS position not calculated" alarm
ef = "differential GPS position not calculated" alarm
gh = "track memory full" alarm
ij = "waypoint arrival" alarm
kl = "programmed distance completed" alarm
mn = "programmed duration passed" alarm
op = "anchor" alarm
qr = "wake" alarm
c, e, g, i, k, m, o, q = alarm running indicator: 0 = alarm not authorized, 1 = alarm
authorized
d, f, h, j, l, n, p, r = alarm status: 0 = inactive alarm, 1 = one (or several) active
alarms
*hh = sentence checksum
PML7SN: Serial number
$PML7,SN,01,XXXXXXXXXX*hh [CR][LF]
Where:
XXXXXXXXXX is the serial number for the FX324
*hh = sentence checksum
Digital Output and Input of Waypoints, Routes and
Tracks
It is possible to send waypoints, routes and tracks contained in your GPS to a PC,
by selecting the output format 'WPTS + RTES' or 'TRACK'.
It is also possible to load waypoints, routes, or tracks from a PC to your GPS.
Waypoints and Routes
To export the waypoints and routes from your unit:
SETUP Æ 3-Serial Output Æ WPTS+RTES Æ Enter
Or send the following commands to your unit:
To export Waypoints: $PMGNCMD,WAYPOINT,*hh
To export Routes: $PMGNCMD,ROUTE,*hh
The waypoints and routes are exported in the following messages:
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