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 64, 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�