ZKTeco ProBio, Руководство по установке

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ProBio Installation Guide 15
How to Place a Finger on the Sensor?
Note: ZKTeco’s fingerprint readers will give optimal results for fingerprint matching, if the
following recommendations and suggestions are followed.

Select a finger to enroll

It is recommended to use an index finger or a middle finger.

Thumb, ring or little finger is relatively difficult to place in correct
position.

How to place a finger on a sensor

Place a finger in a way that it completely covers the sensor area with
maximum contact.

Place the core of a finger at the center of the sensor. The core of a
finger is the center where the spiral of ridges is dense (usually the
finger core is at the opposite side of the lowest point of the nail).

Place a finger in a way that the bottom end of a nail is located at the
center of the sensor.

DO NOT place the finger in the following positions
Upright
Skewed
Sideways Partial
ProBio