Long-Range Medium-Load PTZ Camera
User Manual
39
5.1.2
Exposure
Picture 5-3 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”.
Auto mode is suggested.
If selecting “DC-IRIS Auto”, drag the slide bar of Aperture Size and Aperture Sensitivity.
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;