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If available, click Auto Focus to let the camera focus itself.
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Note: Once the focus is manually set, it will not change.
3. If the camera becomes defocused while in monochrome mode at night, adjust the IR Focus Offset
slider to compensate for the focus shift caused by the built-in or external IR illuminators.
4. To set how the camera compensates for the environmental lighting conditions, define the following
settings:
Day/Night Mode: Use the Day/Night Mode drop-down list to set how the video image switches
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between day and night mode.
Automatic: When the light level is above the day/night threshold, the video image will be
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in color. When the light level goes below the day/night threshold, the camera will
automatically open the IR cut filter and switch to monochrome mode. If IR illuminators
are enabled, they also turn on.
Check the Restore Automatic after Timeout box to automatically restore the Day/Night
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mode to Automatic after a certain timeout period. The Timeout field can be assigned a
value between 5s and 3600s for the timeout period.
Use the Day/Night Threshold slider to set the day/night threshold. Move the slider to
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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 may display one of the following values:
Use the Hysteresis setting to refine the threshold offset.
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Color: The video image will always be in color.
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Monochrome: The video image will always be monochrome.
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External: The camera will open the IR cut filter and switch to monochrome mode based
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on the digital input circuit state.
Image and Display
Day/Night Threshold (EV): The slider value is in Exposure Values (EV).
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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).
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Choose Low when the camera should switch from day to night in scenes where
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the difference between light and dark levels are small.
Choose High when the camera should switch modes when the difference
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between light and dark levels are large.
The default value is Medium.
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Note: The default digital input circuit state is configured on the Digital Inputs
and Outputs page. For more information, see
Digital Inputs and Outputs on
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