VIVOTEK
28 - User's Manual
To adjust the zoom factor and focus range
1� The camera comes with a motorized vari-
focal lens module� With a web console,
you can enter the Configuration > Media
> Image > Focus page to tune the image
zoom and
focus�
2� On this page, you can pull the Zoom and
Focus pointers, set up a Focus window,
and use the Perform auto focus button to
automatically obtain an optimal focus result�
You may also manually fine-tune zoom and
focus using the various functional buttons�
Focus window
Please refer to page 63, Media > Image >
Focus for more information�
3. You may also push the Auto Focus & Zoom
buttons on the camera to obtain the same
results especially when you are using camera
tester for
onsite adjustment�
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