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Fingerprints is
too dry or
dirty
Solve the dry problem that rubs the dry finger with
palm.
If the fingerprint is dry, you should adopt the way of
wetting up the finger, such as brow air over finger.
Have no
enough to
bring pressure
The user should place a finger firmly and flat on the
sensor surface.
How to select
the finger?
Recommend to left or right index or middle finger.
Use fingerprints of good quality, without worn or
injury.
The user usually selects the forefinger, if it was of a
poor quality, you will be recommended to middle
finger or ring finger.
If the user’s finger is small, you will select the
thumb.
How to place
the finger?
Place your finger firmly and touch the sensor
surface must be over 2/3.
The fingerprint does not touch upright on the sensor
surface.
Do not touch the finger too fast; Do not move the
finger on the sensor surface.
The effect of
the fingerprint
pattern change
For a user with worn or injury finger, the
identification can be affected.
If the finger quality was poor, you should be select
password to verify.
Others
However, few people’s fingerprint quality is too
poor to verify, the fingerprint in gear. Please use ID
& fingerprint verification, and the Threshold can be
reduced or use password verification.
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