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![](https://files.manualsfile.com/3010386-ds-2td1117-3-pa/bg3a.png)
When the temperature change exceeds the set sudden change alarm value within the set
cycle, the camera triggers an alarm.
Note
Temperature sudden change alarm is only supported by certain device models.
5.
Refer to
Set Arming Schedule for seng scheduled me. Refer to Linkage Method Sengs for
seng linkage method.
6.
Oponal: Set the osite pre-alarm/alarm specially during o-hours when there are less causes
of false alarms. You can set the lower alarm threshold to improve the
eciency of quick alarm.
Note
The funcon varies according to dierent camera models.
1) Check Enable Osite.
2) Set the osite pre-alarm/alarm and follow step 4~5 to adjust the pre-alarm/alarm threshold
and arming schedule during working hours.
Note
The same parameters and linkage method apply to the two kinds of pre-alarm/alarm, only the
threshold and arming schedule vary.
Osite Pre-Alarm Threshold
When the temperature of target exceeds the Osite Pre-Alarm Threshold during the
Osite Arming Schedule, and this status lasts not shorter than the Filtering Time, the pre-
alarm is triggered.
Osite Alarm Threshold
When the temperature of target exceeds the Osite Alarm Threshold during the Osite
Arming Schedule, and this status lasts not shorter than the Filtering Time, the alarm is
triggered.
Osite Arming Schedule
Click and drag the me bar to select the arming o-hours for osite pre-alarm and alarm.
7.
Click Save.
The maximum and minimum temperature will be displayed on the live view.
Note
Go to Image → VCA Rules Display to adjust the fonts size and the temperature colour of normal,
alarm and pre-alarm.
Set Expert Mode
Select the temperature measurement rules from Point, Line, or Area and congure parameters,
the device alarms if the alarm rules are met.
Thermal Network Camera User Manual
44
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