Adjust the contrast pot for best angle. If text does not appear within a few seconds then power down and check wiring. To test CRT operation short J6 to J7, short J8 to J9, and run VGA18CRT.COM with a monitor connected. For details refer to books specializing in PC video programming. They select LCD type, control windowing, power management, and other enhanced VGA features.
Source code is included to show how to program the card in detail.
Otherwise a minimum service charge is required.