D-Link DCS-6620G Product Manual - Page 46
Configuration > Advanced > Video
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DCS-6620G User's Manual Using the DCS-6620G with an Internet Browser Configuration > Advanced > Video Click the Video button from the Configuration screen to access video settings that affect how the video image appears. Click Video Color: Size: Maximum frame rate: Video codec type: Select either for color or monochrome video display Three options exist for the sizes of the video display. You can select between 176x120/176x144, 352x240/352x288, or 704x480/ 401x576. The first value represents the PAL format of video and the second value represents the NTSC format. In 704x480/401x576 mode, the frame rate will be reduced to 10fps and increased to 30fps automatically when it is switched back to a lower image size. This limits the maximal refresh frame rate, which can be combined with the "Video quality control" to optimize the bandwidth utilization and video quality. If the User wants to fix the bandwidth utilization regardless of the video quality, choose "Fix bit rate" and select the desired bandwidth. It can be either MJPEG or MPEG4. In MJPEG mode, the video frames are independent. In MPEG4 mode, there are I frames and P frames. To decode a P frame need the information of previous frame. MPEG4 consumes much less network bandwidth than MJPEG. D-Link Systems, Inc. 46