JRC JMR-9230-S3 - Page 599

17-15 Section 17 Setting up Alerts
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APP A
APP B
Radius Limit (GPS):
The radius of a monitoring circle having the predicted position of a GPS 1 sec later at the center is
used as a threshold value. If the position actually measured is not within the time monitoring circle
specified in [Time Limit], it will be subjected to an alert. Specify the radius limit in a range between 10
and 100 m.
Radius Limit (DGPS):
The radius of a monitoring circle having the predicted position of DGPS 1 sec later at the center is used
as a threshold value. If the position actually measured is not within the time monitoring circle specified
in [Time Limit], it will be subjected to an alert. Specify the radius limit in a range between 10 and 100 m.
Time Limit:
The time during which the position actually measured by a GPS/DGPS deviates from the monitoring
circle is used as a threshold value. The time limit can be specified in a range between 1 and 29s.
17.7.2 Setting up the generation condition of the
HDOP exceeded Maintenance Information
In the [HDOP Limit] combo box, select a threshold limit of HDOP (Horizontal Dilution of Precision).
Select either one of [4], [10] and [20].