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VIVOTEK
48 - User's Manual
Exposure
Advanced Mode
On this page, you can set the Measurement window, Exposure level, and Exposure mode. Detailed
congurations will be automatically adjusted since the sensor library will automatically adjust the
value according to the ambient light.
Note that the Preview button has been cancelled, all changes made to image settings is directly
shown on screen. You can click Restore to recall the original settings without incorporating the
changes. When completed with the settings on this page, click Save to enable the setting. You can
also click on Prole to adjust all settings above in a pop-up window for special lighting conditions.
Activated period:
Select the mode this profile to apply to: Day mode, Night mode, or Schedule
mode. Please manually enter a range of time if you choose Schedule mode. Then check Save to
take effect.
Sensor Setting 1:
For normal situations
Sensor Setting 2:
For special situations
Measurement Window: This function allows users to configure measurement window(s) for low
light compesation. For example, where low-light objects are posed against an extremely bright
background, you may want to exclude the bright sunlight shining through a building's corridor.
■ Full view: Calculate the full range of view and offer appropriate
light compesation.
■ BLC: When selected, a BLC window will appear on screen meaning that the center of the scene
will be taken as a weighed area. This option enables light compensation for images that are too
dark or too bright to recognize; for example, for the dark side of objects that is posed against
bright sunlight.
Noise reduction
■ Enable 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.