Dahua IPC-HFW2431T-ZS-S2, Operation Manual

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Table 4-9 Description of exposure parameters
Parameter Description
Anti-flicker
You can select from 50 Hz, 60 Hz and Outdoor.
●
50 Hz: When the electric supply is 50 Hz, the system adjusts the
exposure according to ambient light automatically to ensure that
there is no stripe appears.
●
60 Hz: When the electric supply is 60 Hz, the system adjusts the
exposure according to ambient light automatically to ensure that
there is no stripe appears.
●
Outdoor: You can select any exposure mode as needed.
Mode
Device exposure modes.
●
Auto: Adjusts the image brightness according to the actual condition
automatically.
●
Gain Priority: When the exposure range is normal, the system prefers
the configured gain range when auto adjusting according to the
ambient lighting condition. If the image brightness is not enough
and the gain has reached upper or lower limit, the system adjusts
shutter value automatically to ensure the image at ideal brightness.
You can configure gain range to adjust gain level when using gain
priority mode.
●
Shutter priority: When the exposure range is normal, the system
prefers the configured shutter range when auto adjusting according
to the ambient lighting condition. If the image brightness is not
enough and the shutter value has reached upper or lower limit, the
system adjusts gain value automatically to ensure the image at ideal
brightness.
●
Iris priority: The iris value is set to a fixed value, and the device adjusts
shutter value then. If the image brightness is not enough and the
shutter value has reached upper or lower limit, the system adjusts
gain value automatically to ensure the image at ideal brightness.
●
Manual: Configure gain and shutter value manually to adjust image
brightness.
When the Anti-flicker is set to Outdoor, you can select Gain priority or
Shutter priority in the Mode list.
Exposure Comp
Sets the value, and it ranges from 0 to 50. The higher the value is, the
brighter the image will be.
Shutter
Set the effective exposure time. The smaller the value, the shorter the
exposure time will be.
Shutter range
When selecting Shutter Priority or Manual in Mode, and setting
Customized Range in Shutter, you can set shutter range, and the unit is
ms.
Gain
When selecting Gain Priority or Manual in Mode, you can set shutter
range. With minimum illumination, the camera increases Gain
automatically to get clearer images.
Iris When selecting Aperture Priority in Mode, you can set iris range.
Operation Manual
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