52
The focus & zoom interface
Figure 4-6
Configure the focus & zoom parameters. See Table 4-6.
Step 2
Table 4-6
Description of focus & zoom parameters
Parameter
Description
Digital Zoom
Select the
On
check box to enable it.
You can use the digital zoom to continue the zooming operation even if the
optical zoom is at the maximum value.
Zoom Speed
The larger the value, the faster the zooming operation.
Mode
The camera’s focusing mode.
Auto: Once there is any movement or change of an object on the video
image and the image turns blurry, the camera will focus again automatically.
Semi Auto: A user needs to prepare some conditions for the camera to focus
automatically. This is called “Semi Auto.” Pressing the focusing button,
implementing the zooming operation, enabling preset or three-dimensional
positioning, and PTZ’s rotation will all make the camera focus again
automatically.
Manual: You need to click
or
on the camera’s web to achieve the
focusing operation.
Focus Limit
The camera’s minimum focusing distance. If the focusing distance is too small, it
might get the camera focus on its dome.
Sensitivity
Select from
High
,
Default
and
Low
. When you select
High
, it will be easier for the
camera to focus.
PFA
Select the check box of
On
to enable the infrared correction.
Then when you implement the zooming or focusing operation under low lighting
condition, the camera will turn on the infrared light to aid you.
Lens Init
Click
Lens Init
to initialize the lens.
The system will clear the zooming and
focusing data you have set.
