achieves light compensation in connecting status.
5.5 Vandal Proof
There is one channel of vandal proof which will generate alarm sound and report to the
manager center once VTO is forced to leave the wall.
5.6 Restore Backup
Restore Card Info
If you encounter abnormality with card info or accidently restore default settings, you can
restore card info with this function.
Restore VTH Info
If VTH info is mistakenly changed, you can restore VTH info with this function.
Note: Every half hour, VTO automatically saves card and VTH info in the system. If
you want to restore card and/or VTH info, you must restore within half hour after
your last operation that change these info.