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Noise Reduction Settings: This limits the amount of digital "video noise" that is usually found in any
video stream, and helps to reduce file size. The higher the level, the more the reduction.
For EPN4220 Plus / 4220i Plus:
Select ON / OFF to enable / disable the Noise Reduction function. Or select Auto to let the
camera automatically enable / disable the Noise Reduction function. Slide the Level bar to set
up the level. The higher the level, the more the reduction.
For EPN4122 Plus / 4122i Plus:
3D-DNR Settings: Select ON to force on the 3D-DNR function when the selected level (the field
below) is achieved; Off to disable the 3D-DNR function; Auto to automatically turn on / off or
adjust the level for the 3D-DNR function. Select a level for the 3D-DNR. The higher the level, the
more the reduction.
D-WDR (Digital Wide Dynamic Range): This feature provides clearer images when both of the very
bright and dark areas simultaneously appear on the camera view. Four options are included: off, low,
middle and high.
WDR Mode: This function is only available for EPN4220 Plus / 4220i. Select one from the 5 modes
that delivers the best image quality.
OFF: Select to disable the WDR function.
Auto: Select to automatically switch on / off the WDR function where intensity of illumination
on the image varies excessively.
Mode 1: This is the WD Mode, which can correct blocked-up shadows and blown-out highlights
in accordance with the intensity difference.
Mode 2: This is the Exposure Ratio Mode, which allows you to further adjust the Exposure Ratio
(shutter speed) in the field below.
Mode 3: This is the Histogram Mode, which uses a histogram to correct blocked-up shadows
and blown-out highlights.
White Balance Settings: Select the mode that delivers the best quality image for the camera's light
environment. You can click the Push button on the right side to instruct the camera to the selected
mode. This is like a "semi-automatic" way to adjust the White Balance mode to suit the user.
Auto: Select to let the camera automatically adjust the White Balance. In the Auto mode the
camera computes the white balance value output using color information from the entire
screen. It outputs the proper value using the color temperature radiating from a black subject
based on a range of value from 3000 to 7500K. You can further adjust the AWB Level in the field
below.
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EPN Plus Series
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