Vivotek VS3102 User Manual download pdf (Page 53)

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VS3102 uses MPEG4 codec compression for best streaming solution. The compressed video data is far

less than JPEG in normal cases but it still depends on the level of difference between every two sequential

images. There are three dependent parameters provided for adjustment. "Maximum Frame Rate" limits

the maximal refresh frame rate that can be combined with the "Video Quality Control" to optimize the

bandwidth utilization and video quality. If users want to fix the bandwidth utilization regardless of the

video quality, choose "Fix Bit Rate" and select the desired bandwidth. The video quality may be poor in

order to send maximal frames within the limited bandwidth when images change drastically.

Consequently to ensure the video quantization rate regardless of the bandwidth, it will utilize more

bandwidth to send the maximal frames when images change drastically.

The option "Enable Motion Detection" will control the event of motion detection on the application page.

If this option is enabled, the preset windows framed by red lines will appear in the video window even if

no option is checked on the application page. If this option is disabled, then any settings related to motion

detection will have no effect. Motion detection will increase system load. Enter the motion detection

option page for advanced configuration.

To adjust video from external cameras, use "Flip" to map the video vertically and "Mirror" to map the

video horizontally.

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Vivotek VS3102 User Manual Page 53