Check all sources are working correctly Check that picture and sound on all sources are working correctly. Check the teletext is working correctly. Clean the product Never user alcohol or other solvents to clean any part of the television. Use a soft, lint-free cloth to clean the surfaces of the television. Contrast screen To clean the contrast screen or the LCD, use a mild window cleaning �uid. To retain the optimum performance of the screen, make sure that no streaks or traces of the cleaning �uid are left on the screen or the LCD. NOTE Be ware that some types of micro-�bre cloth may harm the optical coating due to their strong abrasive effect. Cabinet surfaces Wipe dust off the surfaces using a dry, soft cloth. Remove grease stains or persistent dirt with a soft, lint-free, �rmly wrung cloth, dipped in a solution of water containing only a few drops of mild detergent, such as washing-up liquid. PIN-code Please refer to the user guide for further information about the use of PIN-code. Information to the customer The PIN-code must be activated by the customer.