Dahua Network Camera Web 3.0 Operation Manual page 22

Dahua Network Camera Web 3.0 Operation Manual
Please refer to Table 3-5 for more details about the parameters of zoom and focus.
Parameter Function
Adjust the focal length of the lens by clicking or long pressing "+""-"buttons.
Zoom
The speed is used to adjust the length of one step during single click.
Adjust the sharpness of the lens by clicking or long pressing"+"、"-" buttons.
Focus
Step length is used to adjust the length of one step with one click.
Click to adjust the image definition automatically.
Auto-
Note
focus
Other lens operations are not allowed during the process of auto-focus.
Reset the lens to zero position to eliminate the accumulative error of lens.
Restore Note
All
Please reset when the image adjustment is not clear or operating zoom focus many
times.
Synchronize the location of drag slider of lens and zoom focus after hardware zoom
Refresh
focusing.
Click it and use the mouse to select a zone, then the device can auto focus within the
specific region.
Regional
Focus Note
Some devices do not support the function.
Figure 3-5
Table 3-5
14