Links to the latest IVMS-4500 user manuals from Hik EU...
http://www.hikvisioneurope.com/portal/index.php?dir=Software/01 Video Management Software/02 iVMS4500/User Manual/
http://www.hikvisioneurope.com/portal/index.php?dir=Software/01 Video Management Software/02 iVMS4500/User Manual/