Vivotek PZ7121 - Manual (Page 49)

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User's Manual - 49
The picture below illustrates the corresponding areas of the selection window� You can click Select All to
check all the areas in the window, or click Clear All to do vice versa� When completed with the settings
on this page, click Save to take effect and click Close to quit the page�
Back to the CCD Settings page, you can click Preview to fine-tune the image, or click Restore to recall
the original settings without incorporating the changes� When completed with the settings on this page,
click Save to take effect and click Close to quit the page�
Video quality settings for stream 1 / stream 2
Advanced mode
The Network Camera offers two choices of video compression standards for real-time viewing: MPEG-4
and MJPEG�
Click the items to display the detailed configutations� You can set up two seperate streams for the
Network Camera for different viewing devices� For example, set a smaller frame size and a lower bit rate
for remote viewing on mobile phones; or set a larger video size and a higher bit rate for live viewing on
web browsers�
If MPEG-4 mode is selected, it is streamed in RTSP protocol�
There are four dependent parameters provided in MPEG-4 mode for video performance adjustment:
■ Frame size
Select the video size� Note that a larger frame size requires more bandwidth� The frame sizes are
selectable in the following resolutions:
NTSC PAL
704 x 480 704 x 576
CIF 352 x 240 352 x 288
QCIF 176 x 120 176 x 144