QR404 User Manual
Safety Instructions
1.Use proper power source.
Do not use this product with a power source that applies more than specified voltage
2.Never insert anything metallic into the DVR case.
Putting something into the DVR case can be a source of dangerous electric shock.
3.Do not operate in wet & dusty area or use near water. Avoid places like a damp basement or dusty hallway.
4.Do not expose this product to rain or use near water.
If this product accidentally gets wet, unplug it and contact an authorized dealer immediately.
5.Keep product surfaces clean and dry.
To clean the outside case of the DVR, use a cloth lightly dampened with water (no solvents).
6.Provide proper ventilation.
This DVR has a built in fan that properly ventilates the system.
7.If there are any unusual sounds or smells coming from the DVR, unplug it immediately and contact
Warning: You may be subjected to severe electrical shock if you remove the cover of the DVR.
8.Handle DVR box carefully.
If you accidentally drop your DVR on any hard surface, it may cause a malfunction. If the DVR doesn’t work properly due to physical damage, contact an authorized dealer for repair or exchange.
9.Use standard lithium cell battery (preinstalled).
The standard lithium cell 3v battery located on the mother board should be replaced if the time clock resets during a power outage. Warning! Unplug the DVR before replacing battery or you may be subjected to severe electrical shock. Properly dispose of old batteries.
10.Make sure there is good air circulation around the unit.
This DVR system uses a hard drive for video storage which generates heat during operation. Do not block air holes (bottom, upper, sides and back) of the DVR as they are designed to cool down the system while running. Install or place this product in an area where there is good air circulation.
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