Vivotek IP8162 Specifikace stáhnout pdf (Strana 45)

VIVOTEK

User's Manual - 45

Measurement Window: This function allows user to set measurement window(s) for low light

compesation�

■ Full view: Calculate the full range of view and offer appropriate

light compesation�

■ Custom: This option allows you to manually add customized windows as inclusive or exclusive

regions� A total of 10 windows can be set� The inclusive window refers to “weighted window“; the

exclusive window refers to “ignored window“� It adopts the weighted averages method to calculate

the value�

■ BLC (Back Light Compensation): This option will automatically add a “weighted region“ in the

middle of the window and give the necessary light compensation�

Exposure control:

■

Exposure level: You can manually set the Exposure level, which ranges from -2.0 to +2.0 (dark to

bright)�

■

Exposure mode (Auto): Select Auto to set a proper maximum exposure time (second) according

to the light source of the surroundings� You can set iris mode as "indoor" or "outdoor" to reach the

best image quality� You may also adjust iris sensitivity from 1 to 10�

■

Exposure mode (Manual): Select Manual to set a fixed exposure time and gain� Shorter

exposure times result in less light� Then, tune the slider bar to set the Exposure time and Gain

Control to the best image quality� High gain control value will generate a certain amount of noise�

Note that if you select Manual Exposure mode, the Iris adjustment and Iris speed slide bars will

appear, while the Iris sensitivity option will not be available�

■

Iris Adjustment: The camera comes with a P-iris lens, which controls the iris opening with

extreme precision by its built-in stepping motor� Via software controls, the lens maintains the iris

opening at an optimal level at all times, resulting in superior sharpness and depth of eld as well

as image quality�

You can manually tune the value of iris opening (aperture size), which can range from 1 to 100

Exclude

Include

Weighted region

Ignored region

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Vivotek IP8162 Specifikace Strana 45