Dahua Technology DH-IPC-EBW81242N-AS-S2 12MP Outdoor Network Panoramic Fisheye Camera with Night Vision - Manual (Page 99)

Operation Manual
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Figure 7-4 Zoom and focus
Table 7-4 Description of zoom and focus parameter
Parameter Description
Zoom Speed
Changes the focal length of the camera to zoom in or out the image.
1. Set the speed value. The Zoom Speed is the adjustment range in
one click. The larger the value is, the more the image would zoom
in or out in one click.
2. Click or hold + or – button, or drag the slider to adjust zoom.
Focus Speed
Adjusts the optical back focal length to make the image clearer.
1. Set the speed value. The Focus Speed is the adjustment range in
one click. The larger the value is, the more the adjustment in one
click.
2. Click or hold + or – button, or drag the slider to adjust focus.
Auto Focus
Adjusts image clarity automatically.
Do not make any other operation during auto focus process.
Reset
Restores focus to default value and corrects errors.
You can restore the focus if the image has poor clarity or has been
zoomed too frequently.
Refresh Get the latest zoom setting of the camera.
Area Focus
Focus on the subject of a selected area.
Click
Area Focus , and then select an area in the image, the camera
performs auto focus in that area.
7.4.3 Image Adjustment
Click Image Adjustment at the lower-left corner of Live interface, and click + or – button, or drag the
slider to adjust image parameters, including brightness, contrast, hue, and saturation.