Optiview DVR4Lite Manual page 28

8. Why the image playing is slow?
① Check whether slow playing is enabled. The DVR supports 1/2, 1/4, 1/8 and 1/16 speed slow playing; ② Check
whether the HDD is connected properly and whether the HDD has bad sectors. The bad sectors of HDD may cause
image intermission or screen mess.
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