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HD Intelligent Speed Dome Camera
User Manual
61
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;
When selecting "Manual", you can select Shutter Level from the dropdown list
below. Then the value of shutter will remain.
Anti-flicker: When there are floating cross stripes on the image, select the correct
anti-flicker frequency (50Hz or 60Hz or natural light) to solve the problem. The
frequency should be in accordance with that of the nation's AC frequency and light
frequency.
6.1.3
Focus
Focusing is the process of controlling a beam of light or particle flow and trying to gather it
to a point. It is necessary to form images. Adjustment of focus mode will help obtaining
optimum and clear target images.
Picture 6-4 Focus
Focus Mode: Select a mode from the dropdown list by request. The default mode is
“Single Focus”.
Manual: On the live view interface, click focus icons to perform manual focusing;
Continuous Focus: The camera will trigger auto focus once there is moving
object in the image.