SupportHelp menuUsing Help menu1. Display the menu with MENU.2. Select Help and press OK to access.3. Select About Firefox OS / TV Self Test / System Information / DeviceInformation and press OK to access.About Firefox OSDisplays the information about Firefox OS.TV Self TestMakes a diagnosis of picture or sound problems.Follow the on-screen instructions.System InformationDisplays the system information of this TV.Device InformationDisplays the device information of this TV.- 309 -