COP-USA DVRC264-4CH_USB - Manual (Page 194)

Digital Video Recorder User Manual
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CHAPTER 6 Frequently Asked Questions
Question1: You have been download and install Network Client software from the DVR. But after inputting DVR IP,
username and password, it appears ‘ Can’t open codec TVTTH ’.
Answer: When installing the software, the system regedit and system file need to be modified. And if you login the
system as ordinary user, the modification operation could not be performed. So you need login the system as administrator
when you install the Network Client software.
Question2: Why the backup speed with USB disk is so slow?
Answer: If you open the Network Client or playing back the record, the backup speed will be slow.