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Cyclic Delete Blacklist Photo: The number of blacklist photos allowed to be deleted in one time when
the maximum storage is attained. It can be disabled or set to a value ranged from 1 to 99.
Confirm Screen Delay(s): Set the duration to display messages of verification results. The valid value
range is 1-9 seconds.
7.2 Fingerprint Parameters
In the initial interface, press
> System > Fingerprint to enter the Fingerprint setting interface.
1:1 Match Threshold: Under 1:1 Verification Method, only when the similarity between the verifying
fingerprint and the user’s registered fingerprint is greater than this value can the verification succeed.
1:N Match Threshold: Under 1:N Verification Method, only when the similarity between the verifying
fingerprint and all registered fingerprints is greater than this value can the verification succeed.
Recommended Match Threshold:
FRR FAR
Match Threshold
1: N 1:1
High Low 45 25
Medium Medium 35 15
Low High 25 10
FP Sensor Sensitivity: To set the sensibility of fingerprint collection. It is recommended to use the
default level “Medium”. When the environment is dry, resulting in slow fingerprint detection, you can set
the level to “High” to raise the sensibility; when the environment is humid, making it hard to identify the
fingerprint, you can set the level to “Low”.
Live Detection: To set whether to detect the false fingerprint. Enable [Live Detection], the device will
detect the false fingerprint during registration and verification, so that it cannot be registered or verified
successfully.
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