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C2900M-B (1/03) 49
The following table details the configuration items.
Table D. Video Settings
Configuration Default Setting Description
Item
Video quality super fast You can set the quality of the video. On restricted
bandwidth channels, you need a compromise
between optimum image sharpness and quick
reproduction of movements in the image. With
increasing bandwidth, the effect of this setting
diminishes, as best quality and fast motion can be
maintained simultaneously.
With a high image refresh rate, sharpness deterio-
rates with increasing movement in the field of view.
If movement is expected in a small area only, you can
give preference to sharpness. The intelligent
compression process then is able to refresh the
affected areas in the image. The unchanged rest of
the image will be reproduced with optimum
sharpness.
With high bandwidths in the local network (above
200 Kb), you can work with maximum image quality
without the refresh rate suffering noticeably.
Video standard H.263 This field sets the video standard for the transmis-
sion. If you intend to do a box-to-box connection, set
this to H.261, click the Set button, and then click the
Reboot link to reboot the unit. An hour glass symbol
indicates the command is being processed. This
symbol remains on the screen (regardless of whether
or not the reboot is finished) until you click another
function. The POWER LED flashes when the reboot is
finished.
If you are not near the unit, wait at least one
minute to ensure the reboot finishes. If you click
another function before the reboot concludes, the
program responds with a retry or firewall message.
Delete the message, exit the program, and restart.
Video resolution standard (CIF) Choose medium (QCIF) or standard (CIF) video
resolution. Common Intermediate Format (CIF) is at
352 x 288 picture elements. For very restricted
channels (for example, wireless or low speed modem
transmission) it may be advantageous to switch to
medium (QCIF) resolution at 176 x 144 pixels for
decent image rates.
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