... ” Digital TFT LCD: GTIEJ080NA-05A, Keypad board, Power cable, Video cable and VGA cable, 8” Touch Screen:GDT4W08001 (Option), Touch screen driver ... /RS232 port (Option)l DC/ DC Converter, LED Backlight Driver, Video and VGA Decoder All In One l NTSC / PAL System automatic ... /OFF>, < Menu>, < Down>, < Source>:switch the input signal between Video and VGA.< ON/OFF>: turn the backlight ON or OFF. But ...