EverFocus EPN4122 User Manual page 65

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 / 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
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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.
Manual: Select to adjust the Red and Blue values yourself in the fields below this field.

Indoor: Select to use the default settings for indoor environments. In the Indoor mode, the

camera uses 3200K as the base value.
Outdoor: Select to use the default settings for outdoor environment. In the Outdoor mode, it

uses 5800K as the base value.
One Push: Select to enable the Push button

allow you to force the camera to readjust the white balance every time you push the Push
button. The lens will hold the same focal position until the next trigger command is received.
This function helps to prevent incorrect focusing in dark environments.
Outdoor Auto: This function is specially designed for outdoors, allowing the camera to

automatically capture images with natural white balance in the morning and evening.
Sodium Lamp Auto: Select to let the camera automatically adjust the White Balance in the

environment with sodium vapor lamps.
Sodium Lamp: Select to apply a fixed White Balance for the camera in the environment with

sodium vapor lamps.
Note: High-pressure sodium lamps are supported. Proper white balance may not be
captured for some subjects when using low-pressure sodium lamps.
next to the Mode drop-down field. This will
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EPN Series