UP/DN = Vertical picture position (+/- 1 step) (fine adjust)
LT/RT = Vertical picture position (+/- 3 steps) (coarse adjust)
Below ___Below are rows of keys on the keyboard:___
123456789 = Brightness (1=lower, 9=higher)
SDFGHJKL = Dithering (S=lower=no dithering, L=higher)