4.4 Automatic Program Exit and System Power-off
The fingerprint lock powers off automatically upon successful matching and
unlocking.
The fingerprint lock powers off automatically when you set Yes for the
“Normal Open” option upon unlocking.
The fingerprint lock powers off automatically when the number of invalid
operations exceeds the threshold. The fingerprint lock powers off
automatically when an alarm is generated for 30 seconds upon restart.
The fingerprint lock powers off automatically when the supply voltage is
lower than level-3 detection voltage.
The fingerprint lock powers off automatically if there is no keystroke within
10 seconds on the initial interface.
4.5 External Power Use Description
The fingerprint lock supports temporary use of external DC power for fingerprint or
password matching and unlocking, but when connected with an external battery, the
fingerprint lock cannot provide such special functions as enrollment, deletion and
setting, so as to prevent data loss as a result of power instability.
As shown in the figure below, connect a 9V battery to the two access points at the
bottom of a fingerprint lock, regardless of polarity.
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