VIVOTEK
Focus
Focus, also known as Remote Focus, is applicable to Network Cameras that are equipped with stepping motor lens� The automated focus adjustment function eliminates the needs to physically adjust camera focus� In an outdoor deployment consisting of a large number of cameras, the auto focus function can be very helpful when these cameras become out of focus after days or weeks of operation� And that can easily result from the effects of natural forces, e�g�, shrink and expand due to a wide range of operating temperatures and the vibration caused by wind�
Streaming Window
Focus
Window
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Below is the procedure to perform the automated Zoom and Focus function:
1� Use the Zoom slide bar to find an optimal view of the area of interest where you want to adjust its focus� Click and drag the
2� Select from the bottom of the
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5
Gradient color bar
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screen whether you want to perform focus adjustment
on the Full view or within a Custom focus window� You can create a custom window
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and click and drag the window to a desired position on screen�
3� Click to select the
auto focus scan will only go through the length where optimal focus may occur, and that takes
about 12 seconds. In theory, best results of the auto scan can be acquired when the camera's iris is fully open� The iris fully open checkbox is selected by default�
4� Click on the Perform auto focus button, and wait for the scan to complete�
5� After a short while, the clearest image obtained should be displayed and the optimal focus range is indicated by the densest color area on the color bar. Use the "+" or
The methodology of using the Resize Buttons at the upper left corner of the streaming window is the same as that on the home page�
User's Manual - 79
