Amcrest NVR11H Series User Manual page 34

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Please note the video may not be attractive if the value is too low. The recommended value
ranges from 40 to 60.
Brightness: This is to adjust monitor window brightness. The value ranges from 0 to 100. The
default value is 50. The larger the number, the brighter the video. When you input the value here,
the bright section and the dark section of the video will be adjusted accordingly. You can use this
function when the whole video is too dark or too bright. Please note the video may become hazy
if the value is too high. The recommended value ranges from 40 to 60.
Contrast: This is to adjust monitor window contrast. The value ranges from 0 to 100. The default
value is 50. The larger the number, the higher the contrast. You can use this function when the
whole video brightness is OK but the contrast is not correct. Please note the video may become
hazy if the value is too low. If this value is too high, the dark section may lack brightness while
the bright section may over expose. The recommended value ranges from 40 to 60.
Auto Iris: This is for devices with an auto iris lens. You can check the box next to ON to enable
this function. The auto iris may change if the light becomes different. When you disable this
function, the iris is at the max. The system does not add the auto iris function in the exposure
control. This function is on by default.
Mirror: This is to flip the video horizontally (as if looking in a mirror). This function is disabled by
default.
Flip: This is to flip the video upside down. This function is disabled by default.
Backlight: This is to compensate for the backlight and includes several options: High/Low/Stop.
High: This is used when the backlight is very bright.
Low: This is used when the backlight is moderately bright.
Stop: This is to disable backlight compensation. Please note this function is disabled by default.
Scene Mode: This is to set the white balance mode. It affects the general hue of the video. This
function is on by default. You can select different scene modes such as sunny, night, schedule,
and customized to adjust the video to the best quality.
Auto: The auto white balance is on. The system can auto compensate the color temperature to
make sure the video color is correct.
Sunny: The threshold of the white balance is in the sunny mode.
Night: The threshold of the white balance is in the night mode.
Customized: You can set the gain of the red/blue channels. The value ranges from 0 to 100.
Day Light. This is to set the device to output color or B/W video. The default setup is auto.
Colorful: The device outputs color video.
Auto: The device auto selects to output color or B/W video according to the device feature (The
general brightness of the video or if there is IR lights or not.)
Black/White: The device outputs the black and white video.
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