Q-See QR404-403 Quick installation manual - page 3
Manual is about: 4 Channel H.264 Compression DVR with
(CIF) Real-Time Recording and
4 Color CMOS Camera Kits
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Q-SEE QUICK INSTALLATION GUIDE
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2 | P a g e
PART 2 - DVR CAMERA AND POWER CONNECTIONS
Please note that it is STRONGLY recommended to use a surge protector that is UL-1449 rated.
Look for a clamping voltage of 330 or lower, a Joule rating of at least 400 and a response time of
10 nanoseconds or less.