D3 Series User Manual
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Anti-flicker Mode
Used when WDR is turned off. This helps reduce flicker when t
screen flashes at the same frequency as the light.
Live Detection
Detecting the spoof attempt using visible light images to determine if the
provided biometric source sample is really a person (a live human being) or a
false representation.
Live Detection
Threshold
Facilitates to judge whether the captured visible image is really a person (a live
human being). The larger the value, the better the anti-spoofing performance
using visible light.
Anti-spoofing Using
NIR
Using near-infrared spectra imaging to identify and prevent fake photos and
video attacks.
Note: 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.
Access Control Options 10.7
Click Access Control Options on the WebServer.
On the Access Control interface to set the parameters of the control lock of the terminal and related
equipment.
Function Name Description
Door Lock Delay(s)
The length of time that the device controls the electric lock to be in unlock
state.
Valid value: 1~255 seconds; 0 seconds represents disabling the function.
Door Sensor Delay(s)
If the door is not locked and is left open for a certain duration (Door Sensor
Delay), an alarm will be triggered.
The valid value of Door Sensor Delay ranges from 1 to 255 seconds.
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