I changed playback speed in VOD mode but it doesn’t work properly.

1) Image data for VOD(playback) comes from the DVR through Network. Therefore, in the case that the network condition is not good or the specification of the PC is not good enough, it doesn’t work properly. 2) It can be incorrect depends on the recording condition (motion recording, etc.) at the DVR. 3) When you change the speed, there might be “Buffering. Back