G4L
User Manual
P a g e
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Function Description
Function Name
Descriptions
1:1 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 that is enrolled in the device is greater than
the set value.
1:N 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 Attempts
Users might forget the registered fingerprint, or press the finger improperly.
1:1 Verification allows to set the retry authentication attempts for the users in
order to reduce the process of re-entering the user ID and increase the security.
Fingerprint Image
To set whether to display the fingerprint image on the screen during fingerprint
enrollment or verification. Four choices are available:
Show for enroll
: to display the fingerprint image on the screen only during
enrollment.
Show for match
: to display the fingerprint image on the screen only during
verification.
Always show
: to display the fingerprint image on screen during enrollment
and verification.
None
: not to display the fingerprint image.
FRR
FAR
Recommended Matching Thresholds
1:N
1:1
High
Low
45
25
Medium
Medium
35
15
Low
High
25
10
