User's Manual

40 Linux Visible Light Product User Manual
6.4 Fingerprint Parameters★
Click Fingerprint on the System interface.
Item
Descriptions
1:1 Match
Threshold
Under 1:1 verification method, the verification will only be successful when the similarity
between the acquired fingerprint data and the fingerprint template associated with the
entered user ID enrolled in the device is greater than the set value.
1:N Match
Threshold
Under 1:N verification method, the verification will only be successful when the similarity
between the acquired fingerprint data and the fingerprint templates enrolled in the device
is greater than the set value.
FP Sensor
Sensitivity
To set the sensibility of fingerprint acquisition. 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“.
1:1 Retry
Times
In 1:1 Verification, users might forget the registered fingerprint, or press the finger
improperly. To reduce the process of re-entering user ID, retry is allowed.
Fingerprint
Image
To set whether to display the fingerprint image on the screen during fingerprint enrollment
or verification. Four choices are available:
FRR FAR
Recommended matching
thresholds
1:N
1:1
High
Low
45
25
Medium
Medium
35
15
Low
High
25
10