58 Dynex 50" LED TVDX-50D510NA15www.dynexproducts.comMaintaining• Do not use your TV in areas that are too hot or toocold, because the cabinet may warp or the screen maymalfunction. Your TV works best in temperatures thatare comfortable to you.• Storage temperatures are 32° to 122°F (0° to 50°C).• Working temperatures are 41° to 104°F (5° to 40°C).• Do not place your TV in direct sunlight or near a heatsource.Cleaning your TV• Before cleaning the screen, unplug your TV from thepower outlet.• Clean your TV with a soft, lint-free cloth. If surfaces areextremely dirty, use a soft cloth dampened with aweak detergent solution.• Use an eyeglass cleaner to clean the screen. Never usealcohol, paint thinner, or benzine.• Before using a chemically treated cloth, read theinstructions that came with the cloth.• Do not spray insecticide liquid near your TV. Suchchemicals may cause damage and discoloration to theexposed surfaces.TroubleshootingRestoring settings to default1 Press MENU. The on-screen menu opens.2 Press W or X to highlight Settings, then press T. TheSettings menu opens.3 Press S or T to highlight Reset to Default, thenpress ENTER. A confirmation box opens.4 Press W or X to select Yes (to reset all settings tofactory default), or No (to not reset). If you select Yes,your TV turns off, then turns on again. The SETUPWizard opens.5 Go through the TV SETUP wizard. For moreinformation, see “Turning on your TV for the firsttime” on page 33.Viewing system informationYou may need to view system information duringtroubleshooting.1 Press MENU. The on-screen menu opens.2 Press W or X to highlight Settings, then press T orENTER. The Settings menu opens.3 Press S or T to highlight System Info, then pressENTER. Information about the TV software version isdisplayed.4 Press MENU to return to the previous menu, or pressEXIT to close the menu.WarningDo not try to repair your TV yourself.Contact authorized service personnel.CautionWhen you restore default settings, all thesettings you have customized are reset.