X1& = Verbose mode
X1( = Force VGA to DVI out (UWP models only)
X3) = Pixel phase value X3! = Total pixels value
X3@ = Horizontal/Vertical start value
0 = clear/none
1 = verbose mode (default)
2 = tagged responses for queries
3 = verbose mode and tagged for queries
0 = HDMI (default)
1 = force VGA input to be DVI output
0 to 63, default is 32
±255 of default value (depends on input rate) 0 to 255 (default is 128)