ZKTeco F18 User Manual page 12

F18 User Manual V1.0
(1) 1:N fingerprint matching
Verify the fingerprint pressed on the sensor at present with all
fingerprint data in the fingerprint reader.
Step 1: Press fingerprint properly on the sensor on initial interface.
Step 2: If device says 'Thank you", the verification is completed.
If device says "Please press again", and displayed "Verify fail" on the screen.
Return Step 1 for the second operation.
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