Dahua HDBW2831R-ZAS, Руководство по эксплуатации

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Operation Manual
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Table 4-4 Description of zoom and focus
Parameter Description
Zoom
Changes the focal length of the camera to zoom in or out the image.
1. Set the
Speed
value. The
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
Adjusts the optical back focal length to make the image clearer.
1. Set the Speed value. The 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.
Restore All
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.
Regional Focus
Focus on the subject of a selected area.
Click
Regional Focus , and then select an area in the image, the camera
performs auto focus in that area.
Refresh Get the latest zoom setting of the device.
4.2.4.3 Fisheye
You can select the installation mode, display mode and VR mode of fisheye devices as needed. For
details, see Table 4-5.
●
Install Mode
: Select the installation mode according to the actual situation.
●
Display Mode : Select the display mode of live view.
●
VR Mode : Select VR mode to display images in stereo mode.