Cisco 8620, Справочное руководство

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Cisco Video Surveillance 8620/8630 IP Camera Reference Guide
Chapter 5 Configuration
Media > Image
Step 1
Select from the bottom of the screen whether you want to perform focus adjustment on the Full view or
within a Custom focus window.
You can create a custom window and click and drag the window to a desired position on screen.
Step 2
It is recommended to Reset to the default back focus position of the sensor board.
Step 3 You can use the Open iris check box (default) to increase the iris size for a better focus adjustment result.
Step 4
Click to select the Fully-opened iris or the Full-range scan buttons.
When a full-range scan is selected, a full-range scan through the camera's entire focal length can take
about 30 to 80 seconds. If not, the auto focus scan will only go through the length where optimal focus
may occur, and that takes about 15 to 20 seconds. In theory, best results of the auto scan can be acquired
when the camera's iris is fully open.
Step 5
Wait for the scan to complete.
After a short while, the clearest image obtained should be displayed and the optimal focus range
achieved. Use the arrow marks on the sides to fine-tune the focus if you are not satisfied with the results.
You may still need to use the arrow marks to fine-tune the focus depending on the live image on your
screen. “>” means moving from wide to tele end; and “<” tele to wide.
The methodology of using the Resize Buttons at the upper left corner of the streaming window is the
same as that on the home page.
Focus window
By default, the optimal focus is found on a full view window. You may designate a custom window
within your current field of view to acquire the best focus out of it. However, you can not place a focus
window on a distant background, for example, a hallway that stretches away for 3 meters or farther.
Doing so you will not benefit from the Focus window function.
• Full view—The focus tuning takes place by referring to the full view.
•
Custom—You can create a focus window and drag it to a place of interest in your view window. It
is recommended to use this function only when you have a solid object in your view window that is
showing a consistent color or texture.
This function will not take effect if you set the focus window on a distant background.
Privacy Mask
Click Privacy Mask to open the settings page. On this page, you can block out sensitive zones to address
privacy concerns.
To set the privacy mask windows, follow these steps:
Step 1
Click New to add a new window.
Step 2
You can use four mouse clicks to create a new masking window, which is recommended to be at least
twice the size of the object (height and width) you want to cover.
Step 3 Enter a Window Name and click Save to enable the setting.