G4L
User Manual
P a g e
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Copyright©2020 ZKTECO CO., LTD. All rights reserved.
Anti-spoofing using
NIR
Uses near-infrared spectra imaging to identify and prevent fake photos and
video attacks.
WDR
Wide Dynamic Range (WDR), which balances light and extends image visibility
for surveillance videos under high contrast lighting scenes and improves object
identification under bright and dark environment.
Anti-flicker Mode
Is used when WDR is turned off. This helps reduce flicker when the device’s
screen flashes at the same frequency as the light.
Notes
Improper adjustment of the exposure and quality parameters may severely
affect the performance of the device. Please adjust the exposure parameter only
under the guidance of the after-sales service personnel of our company.
Process to modify the Face Recognition Accuracy
•
On the
System
interface, tap on
Face
and then toggle to enable Anti-Spoofing using NIR to set the
anti-spoofing.
•
Then, on the
Main
Menu
, tap
Auto-Test > Test Face
and perform the face test.
•
Tap three times for the scores on the right upper corner of the screen, and the red rectangular box
appears to start adjusting the mode.
•
Keep one arm distance between the device and the face, and recommended not to move the face in
wide range.
8.4
Fingerprint Parameters
•
On the
System
interface, tap
Fingerprint
to configure the fingerprint settings.
