3About this ManualNOTE! Text in blue boxes with the Information icon offer additional guidanceand explanations about how to make the most out of your system.IMPORTANT! Red boxes with this icon indicate warnings. To preventpossible injury or damage to the product, read all warnings before use.Rev. 1.2 4/28/2014This manual is written for the QC900 Series of Digital Video Recorders (DVRs) and was accurate at thetime it was completed. However, because of our ongoing effort to constantly improve our products, andthe different capabilities of the three models additional features and functions may have been addedsince that time and on-screen displays may change. We encourage you to visit our website at www.Q-see.com to check for the latest firmware updates and product announcements.This manual covers the setup and local operation of the DVR. Instructions for configuring the DVR forremote access, along with instructions for monitoring the DVR using a computer or mobile device, arecontained within the Remote Monitoring Guide which is included on the CD that accompanied yourDVR and which can also be found on www.Q-See.com/support.Throughout the manual we have highlighted warnings and other important information that will assistyou in operating your new system in a safe and trouble-free manner. Please take the time to read andfollow all instructions and pay attention to alerts as shown below: