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6.5
Tamper Switch
Camera module is equipped with a tamper switch against the wall. In case that the device is
disassembled from the wall, tamper switch will leave the wall too. The device will emit tamper
alarm sound and report alarm info to management centre.
6.6
Restore Backup
If VTH info is modified by mis-operation during use, two restoration ways are available to
restore them.
VTO saves VTH info of the system automatically every half an hour. If VTH info is modified by
mis-operation, please restore them timely. Otherwise, the system will automatically save
mis-operation info after half an hour.
Restore from backup data in device memory
Select "System Config >Local Config > Config Manager".
Step 1
The system displays "Config Manager" interface, as shown in Figure 6-13.
Figure 6-12
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