VIVOTEK
66 - User's Manual
■ Sharpness:
Adjust the image sharpness level, which ranges from 0% to 100%.
■ Gamma curve:
Adjust the image sharpness level, which ranges from 0.45 to
1, from Detailed to
Contrast
. You may let rmware Optimize your display or select the Manual mode, and pull the slide bar
pointer to change the preferred level of Gamma correction towards higher contrast or towards the higher
luminance for detailed expression for both the dark and lighted areas of an image.
■ Enable low light compensation: Select this option in low light mode, and the values of sharpness and
brightness will change automatically. This function also benets from an automated noise reduction
feature.
Enable WDR enhanced:
This function allows users to identify more image details with an extreme
contrast from an object of interest with one shadowed side against a bright background, e.g., an entrance.
You may select the Enable WDR enhanced checkbox, and then adjust the strength (low, medium, high)
to reach the best image quality.
Noise reduction
■ Enable 3D noise reduction: Check to enable noise reduction in order to reduce noises and ickers in
image. This applies to the onboard 3D Noise Reduction feature. Use the pull-down menu to adjust
the reduction strength. Note that applying this function to the video channel will consume system
computing power.
3D Noise Reduction is mostly applied in low-light conditions. When enabled in a low-light condition
with fast moving objects, trails of after-images may occur. You may then select a lower strength level
or disable the function.
You can click on Restore to recall the original settings without incorporating the changes. When
completed with the settings on this page, click Save to enable the setting.
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