513. Unplug this product from the wall outlet and refer to qualified service personnelunder the following conditions:a. When the power cord is damaged or frayed;b. When liquid has spilled into the unit;c. When the product has been exposed to rain or water;d. When the product does not operate normally under normal operatingconditions. Adjust only those controls that are covered by the operatinginstructions in this manual; improper adjustment of other controls may resultin damage to the unit and may often require extensive work by a qualifiedtechnician to restore the unit to normal operation;e. When the product has been dropped or the cabinet has been damaged;f. When the product exhibits a distinct change in performance, indicating aneed for service.WarrantyStandard Warranty Datavideo equipment are guaranteed against any manufacturing defects for oneyear from the date of purchase. The original purchase invoice or other documentary evidence should be suppliedat the time of any request for repair under warranty. The product warranty period beings on the purchase date. If the purchase date isunknown, the product warranty period begins on the thirtieth day after shipmentfrom a Datavideo office. All non-Datavideo manufactured products (product without Datavideo logo) haveonly one year warranty from the date of purchase. Damage caused by accident, misuse, unauthorized repairs, sand, grit or water isnot covered under warranty. Viruses and malware infections on the computer systems are not covered underwarranty. Any errors that are caused by unauthorized third-party software installations,which are not required by our computer systems, are not covered under warranty. All mail or transportation costs including insurance are at the expense of theowner. All other claims of any nature are not covered. All accessories including headphones, cables, and batteries are not covered underwarranty. Warranty only valid in the country or region of purchase. Your statutory rights are not affected.