37
Logging data level
Logging data level controls how much information is stored at each log
point. The data level directly affects how much space each log point
requires, and consequently how many log points can fit in memory.
Data-Level
Size per point
(16-bit words)
Information stored per point
1
4
Latitude & Longitude coordinates
2
6
Lat&Lon + GPS Time
3
7
Lat&Lon + Time + Altitude
4
8
Lat&Lon + Time + Alt + Fix information (i.e.
number of satellites used for fix, 2D/3D fix
indicator, HDOP value)
5
10
Lat&Lon + Time + Alt + FHorizontal
Ve Direction of movement
6
11
Lat&Lon + Time + Alt + F HVel +Dir
+ Vertical velocity
Configuring the filter settings
Using NMEA: Filter settings are configured with the command
$PFST,LOGSETTING.
Start modes
Logging start mode controls if and how CT5510 should start logging when
GPS navigation is started. Depending on the start mode, the system may create
a new log each time when logging is started or continue using the old log so
that new log points are appended after the old points.
The start mode also controls if logging starts only once, at the next time when
navigation starts, or continuously so that logging always starts when
navigation starts (until again disabled by user).
Available start modes are described in the following table:
Start Mode
Description
0
Logging disabled (default).
1
Logging is started so that a new log is created once when
navigation is started for the next time. On the consecutive
navigation starts after that logging won’t be used.
2
The previous log is continued once when navigation is
started for the next time. On the consecutive navigation starts
after that logging won’t be used.
3
Logging is started so that a new log is created each time when
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