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AXIS 242S IV - Video & image settings
Overlay image requirements:
Overlay image limitations:
• The maximum overlay image size supported by the AXIS 242S IV is the same as
the maximum image resolution. See the Technical Specifications,
on page 57.
• When a text overlay is also used, this reduces the amount of space available to
the overlay image. To keep the text readable at lower resolutions, the text overlay
occupies proportionally more of the image at lower resolutions.
• If the overlay is initially positioned so that part of it is outside the video image, it
will be relocated so that it appears over the video image, i.e. it is always the entire
image that is displayed.
Please see the online help for more information.
Use a Privacy Mask
To use privacy masks to hide different areas of the video image:
1. Select Configurable areas as privacy mask in the drop-down list for
Overlay/Mask Type. New options appear.
2. Enter the (x,y) coordinates of the top left hand corner of the mask, and the height
and width to define the masks’ placement and size.
3. Select the privacy masks’ color: black, grey, white, or red.
4. Click in the box beside Enable to enable one or more of the masks you have
defined and click on Save.
Advanced - MPEG-4 settings
Tools for adjusting the MPEG-4 settings and for controlling the video bit rate.
The MPEG-4 standard provides many different coding tools for various applications in
different situations. As most MPEG-4 clients do not support all of these tools, it is usual to
instead define and use subsets for different clients or groups of clients. These settings allow
you to define the type of viewing client to use.
Adjusting the maximum bit rate and setting it to variable or constant is a good way of
controlling the bandwidth used by the MPEG-4 video stream.
For more information on these advanced settings, please see the online help.
Image Formats Image Size
• Windows 24-bit BMP (full color)
• Windows 4-bit BMP (16 colors)
The height and width of the overlay image in
pixels must be exactly divisible by 4.