MiniAC Plus
User Manual
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Copyright©
2021
ZKTECO CO., LTD. All rights reserved.
Cyclic Delete ATT
Photo
When attendance photos have reached full capacity, the device will
automatically delete a set value of old attendance photos. Users may disable
the function or set a valid value between 1 and 99.
Cyclic Delete
Blacklist Photo
When blacklisted photos have reached full capacity, the device will
automatically delete a set value of old blacklisted photos. Users may disable
the function or set a valid value between 1 and 99.
Confirm Screen
Delay(s)
The length of time that the message of successful verification displays. Valid
value: 1~9 seconds.
Face comparison
interval (s)
To set the facial template matching time interval as needed. Valid value: 0~9
seconds.
7.3
Face Parameters
Click
Face
on the System interface.
Item
Description
1:N Match Threshold
Under 1:N verification mode, the verification will only be successful when the
similarity between the acquired facial image and all registered facial
templates is greater than the set value.
The valid value ranges from 65 to 120. The higher the thresholds, the lower
the misjudgment rate, the higher the rejection rate, and vice versa. The
FRR
FAR
Recommended
matching
thresholds
1:N
1:1
High
Low
85
80
Medium Medium
82
75
Low
High
80
70
