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104
Table 6-2 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.
●
Aperture priority: The iris value is set to a fixed value, and the Camera
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.
●
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.
●
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.
●
Manual: Configure gain and shutter value manually to adjust image
brightness.
Iris
When selecting
Manual
or
Aperture Priority
as the
Mode
, you can
configure the iris parameter.
Exposure Comp
When selecting
Manual
,
Aperture Priority
or
Shutter Priority
as the
Mode
, you can configure the exposure compensation parameter.
AE (Auto Exposure)
Recovery
Set a recovery time. After you adjust the shutter manually, the exposure
mode will be restored to the default one after the time that you have set.
In the selection box of
AE Recovery
, you can select
Off
to turn off AE
recovery.
Gain
When selecting
Gain Priority
or
Manual
in
Mode
, you can set Gain. With
minimum illumination, the Camera increases Gain automatically to get
clearer images.
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