Note: When you cannot power off the fingerprint lock due to the exception of
program, press and hold the ESC key to power off and then restart the fingerprint
lock. It is not recommended to power off the fingerprint lock by pressing and
holding the ESC key when the fingerprint lock operates normally.
Emergency interfaces
Keyhole: You can use a mechanical key for emergency door opening.
Temporary external power interface: You can adopt an external back-up battery to
open the lock in the event of unlocking failure due to insufficient power supply of
the fingerprint lock.
USB interface
The USB interface is used for firmware upgrade and uploading/downloading of user
information and locking records through a USB pen drive.
1.5 Precautions
1. We strongly recommend you to enroll at least one administrator after installing
the fingerprint lock. You must at least enroll one administrator before enrolling
ordinary users.
2. Do not remove batteries when matching, enrolling or deleting fingerprints
because the sudden power-down may result in data loss of fingerprint locks.
Prior to removing batteries, make sure the fingerprint lock is not in working
state.
3. It is recommended to replace the fingerprint lock batteries at least once every
six months to avoid damaging the circuit due to the battery leakage. Do not use
batteries with poor quality.
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