Vivotek NR9682-v2 64-Channel NVR (No HDD) - Manual (Page 91)

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User's Manual - 91
3. Motorized lens cameras: Enable Optical - Snapshot -
Thumbnail search - Smart search - Replay.
For cameras that come with motorized zoom lens, click on the Enable Optical button. You can
zoom in or zoom out on the scene.
Click on the Focus adjustment button to bring out the focus panel. If you find the image is out of
focus, you can use the +, -, or Auto buttons to regain the best image focus.
You can use the Auto scan function to let the camera automatically find the best focus. The
process may take up to 20 seconds.
Enable Optical
Zoom in
Zoom out
Focus adjustment