Fingerprint and Card Reader User Manual
11
Appendix: Tips for Scanning
Fingerprint
Recommended Finger
Forefinger, middle finger or the third finger.
Correct Scanning
The figure displayed below is the correct way to scan your finger:
You should press your finger on the scanner horizontally. The
center of your scanned finger should align with the scanner center.
Incorrect Scanning
The figures of scanning fingerprint displayed below are wrong:
Environment
The scanner should avoid direct high light, high temperature,
humid conditions and rain.
When it is dry, the scanner may not recognize your fingerprint
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