Speco N64NR48TB User Manual page 36

Live View Introduction
Image Adjustment

Select the camera and then click "Image Adjustment" to go to image adjustment tab. Refer to the above picture. Drag the slider to set the camera's
brightness, contrast, saturation and hue value. Check sharpen, wide dynamic and denoise and then drag the slider to set the value. Click "Default"
button to set these parameters to default values.
The introductions of these parameters are as follows:
Parameter
Brightness
Contrast
Saturation
Hue
Sharpen
Wide Dynamic
Denoise
White Balance
BLC
Image Mirror
Image Flip
Lens Control

Select the camera and then click "Lens Control" to go to lens control tab. Click
camera's lens. Click "Save" to save the settings.
It is the brightness level of the camera's image.
It is the color difference between the brightest and darkest parts.
It is the degree of color purity. The color is purer, the image is brighter.
It relates to the total color degree of the image.
It relates to the resolution level of the image plane and the sharpness level of the image edge.
The wide dynamic range (WDR) function helps the camera provide clear images even under
back light circumstances. When there are both very bright and very dark areas simultaneously
in the field of view, WDR balances the brightness level of the whole image and provide clear
images with details.
Adopt the noise reduction technology to decrease the noise and make the image more
thorough. Increasing the value will make the noise reduction effect better but it will reduce the
image resolution.
White balance is the white rendition function of the camera to adjust the color temperature
according to the environment automatically.
HLC: lowers the brightness of the entire image by suppressing the brightness of the image's
bright area and reducing the size of the halo area.
BLC: If enabled, the auto exposure will activate according to the scene so that the object of the
image in the darkest area will be seen clearly.
Reverse the current video image right and left.
Turn the current video image upside down.
Meaning
or to adjust the zoom and focus parameters of the
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NVR User Manual