
being processed.
The next panel will display the following, these should be toggled on and off when data is being
received.
<nmea> when any type of nmea data is being received.
<gprmc> if the $GPRMC nmea sentence is being received, other sentences being used have a
similar code.
<no fix> if the data in the $GPRMC nmea sentence is invalid (no fix or on some GPS units the
unit may be being operated in simulator mode).
< pvt > if using PVT mode for Garmins which support it.
There a 2 little lights that flash. The left hand light will flash blue and white when NMEA sentences
are being received. The right hand light will flash green and white when a suitable NMEA sentence
is being processed and the data is valid, it will flash red and white when the data is invalid (the gps
may not have a fix or it may be in simulator mode).
The right panel displays the position of the GPS.
The time displayed to the right of the position is the PC time the last position was received, this
indicates how old the position fix is.
The Track
Track Tail
-
If the
Log Track Tail
option is ticked on the
Moving Map Menu
the track will be
displayed by Moving Map and this is called the
Track Tail
. It is a track of 10,000 points. If the
maximum is reached, the first track points collected drop off as needed. To turn on/off the display of
the Track Tail, tick/untick the Log Track tail option on the Moving Map Menu. Note : Even with
the Log Track Tail unticked, if the Log Track to File option is ticked, all track points will still be
stored in a file on the hard disk.
If the
Log Track to File
option is selected on the
Moving Map Menu
then the track is
automatically captured can stored to file. The track log can be stored to different files Daily, Weekly,
Monthly or Never.
The default setting is Daily
. Never means a different file is never created (see
below). This setting is configured on the Track tab in Configuration. A new file (based on the date
and time) will be created daily, weekly, monthly as required.
If the
Never
setting is selected for the file frequency and the Log Track to File option is ticked on the
Moving Map Menu, the track will be automatically saved to a file
mmTrack.plt
(or a name you
specify). The track is always appended to this file even when starting new moving map sessions and
the file will keep growing in size. An option is provided on the Moving Map menu to clear this file.
The track file
mmTrack.plt (or the file you specify)
is a normal OziExplorer track file and can be
loaded and displayed on a map as normal. Each moving map session is treated as a separate track
segment. To change the file name (mmTrack.plt), use the option Change Track Log File on the
Moving Map Menu.
See the Moving Map tab on the Configuration dialog for setting up the intervals at which the track
points are captured and stored. The configuration help has details on this feature.
Note
- capturing of
the track is disabled when the interval is set to zero (0).
The track log files can be loaded and saved the same as any track, and it can be loaded and saved at
any time to any name.
The time collected and stored for a track is the UTC time extracted from the NMEA sentences but
OziExplorer Help Contents
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