4IntroductionWarningWarning Please do not bend or press power cord by force which could lead to fire. Be careful not to pull or plug with wet hands to avoid fire or electric shock. In case of changing built-in lithium battery, it should be replaced with same brand or similar one toprevent a danger of explosion. Since old batteries could be a factor of environment contamination, pleasedisposed of them properly. Do not throw the batteries in fire or heating units. Neither short circuit nor disassembly is prohibited. Do not recharge battery used for remote controller. Do not open the top cover otherwise it could lead to electric shock and product damage. The previous recorded data is deleted if record continues when HDD is full so please check disk setupstatus. Manufacturer takes no responsibility for any damaged data due to customer’s carelessness or negligence.A-rated device(Broadcasting Communication Equipment for business use only)Users/Sellers should under this is A-rated device for business use only and it must not be used outside offamily.Caution Do not place heavy objects on top of the product. Product is for indoor use only and it is not water or damp proof. Use product to its environmentalspecifications (Temperature & Humidity). To clean the product, gently wipe the outside with a clean drycloth. Product uses AC power of 110V ~ 240V. Be cautious not to cause electric damages to the product. Be careful not to drop the product. Physical shocks may harm the product including internal HDD. Inaddition, please do not throw or drop it. Product is made of metal you can hurt another human if you throw or used as a weapon. Keep awayfrom the reach of children and install in a safe place. If Product does not operate properly, please contact the manufacturer for service. Tampering ordisassembling the product will void the warranty. The product can transmit real time video over network or internet and can be used for monitoringpurpose depending on installation sites. So please check and review related regulations beforeinstallation.Experience and technical skills are needed for the installation of this product. Improper installation maycause fire, electric shocks, or defects. Contact the nearest dealer for installations.Contents of the manual can differ according to firmware or Software upgrade, and the appearance ofproducts may be changed for the improvement of quality without an advance notice◈ System power offIn case user turn off device by force while device is working, it could give damage on HDD and device soplease turn off device safely using power button located in the front panel. You should install a UPS systemfor safe operation in order to prevent damage caused by an unexpected power failure.◈ Working TemperatureThe working temperature of the product is 5°C~45°C or 41°F~113°F. DVR may not work properly if left inlow temperature for a long period of time. If such is the case, then store at room temperature for sometime before using it again.