ds-2cd2347g2-lsu/sl

Hi I just got a DS-2CD2347G2-LSU/SL ColorVu, everything works fine except for playback. it plays in slow motion like plays 1 second every 2 seconds. I am using web playback and the recording is stored in a NAS device. I do not have NVR ( going to web interface using camera's IP address) I have 6...