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Access Control System
3.4.1.1
3.4.1.2
Image Adjustment
The image adjustment in this part is the same as that on the Live View
interface, which can be referred to in the chapter of Image Adjustment.
Exposure
Picture 3-30 Exposure
Gain: A higher gain will make the image look brighter. However,
meanwhile there will be more noise points on the image. Auto mode is
suggested. When selecting "Auto" mode, drag the slide bar below to set
Gain Upper Threshold. Then the value of gain can only be adjusted
automatically within the range of 0 to the set upper threshold; when
selecting "Manual" mode, drag the slide bar below to set Gain Level and
the value will remain.
Aperture Mode: Aperture controls the light input through the lens. A large
aperture allows more light input and the image looks bright. Options
including "DC-IRIS Auto" and "DC-IRIS-Manual". Drag the slide bar of
Aperture Sensitivity to adjust the aperture sensitivity and auto mode is
suggested. If selecting "DC-IRIS Manual", drag the slide bar of Aperture
Size to set the value and the aperture will remain as the set value.
Shutter Mode: Camera shutter means the exposure shutter speed of
image pixels. The smaller the value is, the darker the image will look.
Options include "Auto" and "Manual". Suggest "Auto". When selecting
"Auto", you can select Shutter Lower Threshold from the dropdown list
below. Then the shutter will be adjusted within the range from the lower
threshold to the minimum shutter value automatically; when selecting
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