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Works with Low battery Indicator CR2450 battery. Model:M1602SF WT-M-1602-30SF has a structure that allows the lock body to be turned after fingerprint is scanned. The unlock light turns on after a fingerprint authorized to open has been scanned. You can open the lock body by turning it within 3 seconds.
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WT-M-1602-30SF How to use WT-M-1602-30SF comes from the factory with no fingerprints identified. After inserting the battery, it will unlock for each finger you read. Once a fingerprint is recognized, other fingerprints cannot unlock. You must set up an administrator fingerprint before using it. Ten fingerprints, two of which are administrators, can be assigned to the lock.
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WT-M-1602-30SF Delete fingerprint 3.1. Delete All Fingerprints 3.1.1. Scan the administrator fingerprint 2 times with 1 second intervals. The green unlock light will start flashing. When you get the same finger scanned 1 more time, you will hear a long beep and the red low battery light will flash. Have your finger scan the reader for the 4th time and do not take your finger off...
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