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DS-2TD2xxx-xxxx/xx Thermal and Optical Bi-Spectrum Network Camera User Manual
UM DS-2TD2xx-xxxx/xx Thermal 072020NA 45
2. Click Default to restore settings.
9.2.1 Image Adjustment
By adjusting the Brightness, Saturation, Contrast and Sharpness, the image can be best displayed.
9.2.2 Image Adjustment (Thermal Channel)
You can optimize the image display effect of the thermal channel by setting background correction and
manual correction.
• Background Correction: Fully cover the lens with an object of uniform temperature in front of the lens
such as a foam board or paperboard. When you click Correct, the device will take the uniform object as
the standard and optimize the image once.
• Manual Correction: Click Correct to optimize the image once.
It is normal that short video freezing might occur during the process of Background
Correction and Manual Correction.
• Thermal AGC Mode: Choose the AGC mode according to different scenes to balance and improve the
image quality.
- Histogram: Choose for scenes with obvious WDR and high temperature difference, to improve
image contrast and enhance the image. E.g. the scene contains both indoor and outdoor scenes.
- Linear: Choose for scenes with low temperature difference and when the target is not obvious.
Improves image contrast and enhances the image. E.g. a bird in a forest.
- Self-Adaptive: Choose AGC mode automatically according to the current scene.
9.2.3 Exposure Settings
Exposure is controlled by the combination of iris, shutter, and photo sensibility. You can adjust the image
effect by setting exposure parameters.
In manual mode, set Exposure Time, Gain and Slow Shutter.
9.2.4 Day/Night Switch
The Day/Night Switch function can provide color images in day mode and black/white images in night
mode. Switch mode is configurable.
• Day: The image is always in color.
• Night: The image is always black/white.
• Auto: The camera automatically switches between day mode and the night mode according to the
illumination.
• Scheduled-Switch: Set the Start Time and the End Time to define the duration for day mode.
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