9Chapter 2: Safety InstructionsUSE THE PROVIDED POWER ADAPTER.Do not use this product with a power source that applies more than the specified voltage.NEVER INSERT METAL INTO THE NVR CASE OR ITS OPENINGS.Inserting metal into the NVR case may cause electric shock.DO NOT OPERATE IN WET OR DUSTY AREAS.Avoid placing the NVR in areas such as a damp basement or dusty attic.DO NOT EXPOSE THE NVR TO RAIN OR USE NEAR WATER.If the NVR accidentally gets wet, unplug it and contact technical support immediately.KEEP PRODUCT SURFACES CLEAN AND DRY.To clean the outside case of the NVR, use a lightly dampened cloth. Do not use cleaning solutions or solvents.DO NOT INSTALL NEAR ANY HEAT SOURCES.Do not install the NVR near any heat sources such as stoves, heat registers, radiators or electronics (includingamplifiers) that produce heat.UNPLUG THE NVR WHEN MOVING IT.Make sure that the NVR is unplugged before you move it. When moving this device, be sure tohandle it with care.MAKE SURE THERE IS GOOD AIR CIRCULATION AROUND THE NVR.This NVR uses an internal hard drive, which generates heat during operation for video storage.Do not block vents on the NVR, as these vents reduce the generated heat while the system isrunning. Place this product in well-ventilated area.DO NOT ATTEMPT TO REMOVE THE TOP COVER.If you observe any abnormal operation, unplug the NVR immediately and contact technical support.Do not attempt to open the NVR to diagnose the cause of the problem.HANDLE THE NVR CAREFULLY.If you drop the NVR on any hard surface, it may damage the device. If the NVR doesn’t work properly dueto physical damage, contact an authorized dealer for repair.IT IS RECOMMENDED TO USE YOUR NVR WITH AN UNINTERRUPTIBLE POWER SUPPLY (UPS).Connecting your NVR and cameras to a UPS allows continuous operation even during power outages.The run-time duration will depend on the rating of the UPS used.CAUTIONYou may be subjected to severe electrical shock if you remove the cover of the NVR.