AC-2100 User Guide 12
1.9. Proper Fingerprint Registration and Input Method
Proper fingerprint input method
If possible, use the index finger and enter fingerprint as if you are making a
thumbprint. Just touching a finger to the fingerprint input window is not the
proper way for registration/input. The proper way is to touch the center of
fingerprint on the fingerprint input window.
If possible, use the fingerprint of the index finger for input.
With the index finger, a more accurate and stable fingerprint can be entered.
Check whether the fingerprint is clear or it has wound.
Too dry or wet fingerprint, blurred fingerprint and fingerprint with wound are
difficult to recognize. In such a case, use the fingerprint of a different finger
for registration.
Cautions according to the conditions of user’s fingerprint
A fingerprint may not be usable or may be inconvenient to use depending on
the conditions of fingerprint.
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