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DS-2TD2xxx-xxxx/xx Thermal and Optical Bi-Spectrum Network Camera User Manual
UM DS-2TD2xx-xxxx/xx Thermal 072020NA 46
Day/Night Switch function varies by model.
9.2.5 Set Supplement Light
1. Go to Configuration → Maintenance → System Service.
2. Check Enable Supplement Light.
3. Click Save.
4. Go to Configuration → Image → Display Settings → Day/Night Switch to set supplement light parameters.
• Smart Supplement Light: Uses smart image processing technology to reduce overexposure caused
by supplement light.
• IR Light Mode: When the mode is set to Auto, the supplement light is automatically enabled or
disabled according to the image brightness.
• Brightness Limit: Adjust the upper limit of IR light power.
9.2.6 BLC
If you focus on an object against a strong backlight, the object will be too dark to be seen clearly. BLC
(backlight compensation) compensates light to the object in the front to make it clear. If BLC mode is set
to Custom, you can draw a red rectangle on the live view image as the BLC area.
9.2.7 WDR
The WDR (Wide Dynamic Range) function helps the camera provide clear images in environments with
strong illumination differences.
When there are both very bright and very dark areas simultaneously in the field of view, you can enable
the WDR function and set the level. WDR automatically balances the brightness level of the whole image
and provides clear images with more details.
When WDR is enabled, other functions may be not supported. See the actual interface
for details.
9.2.8 White Balance
White balance is the white rendition function of the camera. It is used to adjust the color temperature
according to the environment.
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