ZK S900 Guide de l'utilisateur télécharger pdf (Page 11)

S900 User Guide

Figure A-2 shows poor-quality fingerprints, characterized by smudged,

faded or distorted areas on the fingerprint. These conditions can be

caused by excessive dryness, wetness, insufficient pressure or scarring

of the skin at the fingertip.

Figure A-2

The S900 fingerprint matching algorithm is capable of extracting the

correct minutiae without the benefit of a perfect print. However, the

positioning of the finger and the moisture and pressure of the fingerprint

are significant factors to consider when it is placed on the sensor. This

will help achieve a good consistent fingerprint match.

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ZK S900 Guide de l'utilisateur Page 11