would be prudent to set the Minor Alarm Threshold to 8, and the Major Alarm Threshold to
6.
Note: While GPS Notification Alarms can be used in Mobile GNSS receiver
mode, it is not advisable.
To determine which GNSS receiver mode your SecureSync is using and how many satel-
lites your SecureSync unit is currently receiving, navigate to INTERFACES >
REFERENCES: GNSS0 . See also "Reviewing the GNSS Reference Status" on
page204.
To set the GPS Alarm Thresholds:
1.
Navigate to MANAGEMENT > OTHER: Notifications, and choose the GPS tab.
2.
At the bottom of the window, locate the ALARM THRESHOLD panel:
3.
In the Minimum Satellites fields enter the minimum number of satellites that must
be available before the alarm is triggered. The alarm will be triggered when the num-
ber of satellites available is BELOW this number.
4.
In the Duration Below Threshold (s) fields, enter the time in seconds that the sys-
tem must be below the threshold set in the Minimum Satellites field before an
alarm is triggered. The alarm will be triggered when this time is reached.
By default, this timeout value is set to 0 seconds: As soon as the receiver drops
below the minimum number of satellites, the associated alarm is triggered. A delay
of e.g., 5 seconds, however, would not trigger an alarm if the number of received
satellites drops below the specified number for only 3 seconds.
You can configure this event to cause either a Minor alarm, or a Major alarm, or both.
To learn more about Minor and Major alarms, see "Minor and Major Alarms" on page326.
Note that the GNSS receiver must initially be tracking more than the configured number of
satellites in order for this alarm to be triggered (the alarm is triggered when the receiver
falls below the number of Minimum Satellites you specified above).
246
CHAPTER 4 • SecureSync 2400 User Manual Rev. 2
4.2 Notifications
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