122System Setup KeysIn the Setup, you have to use the keyboard.F1 Press to view the Setup Help.Up & Down Keys Press to move up and down.F5/F6 Press to change the item value.F9 Press to load the default Setup settings.ESC Press to return to a higher level menu or to move to the Exit menu.Left & Right Keys Press to move to another menu.Enter Press to select an item or to enter a sub menu.F10 Press to save the changes and exit Setup.