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Fingerprint collection precautions
Fingerprint collection precautions
The correct steps:
1, keep your fingers clean
2, the use of good fingerprint quality fingers (no flaws, cracks, suede phenomenon)
3. Put the finger in accordance with the limited position of the fingerprint collector
4. The center of the thread of the finger is aligned with the center of the acquisition window of the fingerprint collector.
5. The surface of the finger is completely close to the surface of the collection window of the fingerprint collector.
Maximize sampling area, clear image acquisition, fingerprint image centering
Common mistakes:
1. The fingers are dirty, dusty or the fingers are very dry.
2, the use of fingers with flaws, cracks, suede and other fingerprints of poor quality
3, did not put the finger in accordance with the limited position of the fingerprint collector, tilt or put
4. The center of the thread of the finger is not aligned with the center of the acquisition window of the fingerprint collector.
5. The surface of the finger is not completely close to the surface of the collection window of the fingerprint collector, or it is pressed at the fingertip or finger side.
Fingerprint acquisition window surface
Note on the use of fingerprint reader:
1. Do not open the fingerprint collector without authorization.
2. Please keep the fingerprint collector surface clean and dry.
3. Do not use hard objects to describe the glass contact surface of the fingerprint collector.
4, keep the signal and power lines unblocked
Suntech rolling fingerprint collection