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Sarix® Modular Camera Operations Manual
C6719M | 02/22
19
4. Select All Heads, and then adjust the video image as required.
a. Flicker Control: If your video image flickers because of fluorescent lights around the camera,
you can reduce the effects of the light by setting the Flicker Control to the same frequency as
your lights. Generally, Europe is 50Hz and North America is 60Hz.
Note
: Resetting this control will stop the video stream for a few seconds.
b. Enable Wide Dynamic Range: You can enable automatic color adjustments through Wide
Dynamic Range (WDR). This allows the camera to adjust the video image to accommodate
scenes where bright light and dark shadow are clearly visible. See the section titled
Understanding Backlight Compensation (BLC) and Wide Dynamic Range (WDR).
c. To apply the same day/night and exposure settings to all heads on the camera, in the
ImagingMode area, click to select Global from the drop-down menu.
d. To set day/night and exposure settings on a per-head basis, do one of the following:
l In the ImagingMode area, click to select Per-head from the drop-down menu.
l At the top of the left panel, for each head, click Head [#] to select the head to focus.
e. Perform the next step.
5. To set how the camera compensates for the environmental lighting conditions, define the following
Day/Night Settings:
a. Use the Day/Night Mode drop-down menu to set how the video image switches between day
and night mode.
l Automatic: When the light level is above the day/night threshold, the video image will be
in color. When the light level goes below the day/night threshold, the camera will switch to
monochrome mode.
l Color: The video image will always be in color.
l Monochrome: The video image will always be monochrome.
b. If you selected theAutomatic Day/Night Mode:
l Use the Day/Night Threshold (gain dB) slider to set the day/night threshold. Move the
slider to select the light level when the camera switches between day mode and night
mode.The slider is only available when the Day/Night Mode setting is set to Automatic.
The slider might display one of the following values:
– Day/Night Threshold (EV): The slider value is in Exposure Values (EV).
In day mode, the last known light level is displayed under the image panel and is also
shown as a blue bar on the Day/Night Threshold slider.
– Day/Night Threshold (gain dB): The slider value is in decibels (dB).
c. Enable Night Visibility Check: You can manually enable or disable the night visibility check
on a camera.The night visibility check, when enabled, performs a periodic test switching
between day/night mode to check if there is sufficient light level to switch from night mode to
day mode. When disabled, the camera will use a less optimal method to determine if the light
level is sufficient to switch to day mode.
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