HIKVISION DS-2DF7C425IXR-AEL(T5), User Manual, Page: 63 / 122

DNR
Digital Noise Reduction is used to reduce the image noise and improve the image quality. Normal
and Expert modes are selectable.
Normal
Set the DNR level to control the noise reduction degree. The higher level means stronger
reduction degree.
Expert
Set the DNR level for both space DNR and time DNR to control the noise reduction degree. The
higher level means stronger reduction degree.
White Balance
White balance is the white rendition function of the camera. It is used to adjust the color
temperature according to the environment.
Defog
You can enable the defog function when the environment is foggy and the image is misty. It
enhances the subtle details so that the image appears clearer.
EIS
Increase the stability of video image by using jitter compensation technology.
6.6.2 Image Parameters Switch
The device automatically switches image parameters in set time periods.
Go to image parameters switch setting page: Configuration → Image → Image Parameters Switch ,
and set parameters as needed.
Set Scheduled-switch
Switch the image to the linked scene mode automatically in certain time periods.
Steps
1. Check Scheduled-switch.
2. Select and configure the corresponding time period and linked scene mode.
Network Speed Dome User Manual
51