(1) R-GAIN
(2) G-GAIN .......... Controls colors.
(3) B-GAIN
(4) BRIGHT .......... Controls screen brightness.
(5) H. SIZL .......... Controls horizontal screen size.
(6) H. HOLD .......... Provides horizontal synchronization, i.e.,
controls right/left hold.
(7) H. POSI .......... Controls horizontal display position on
screen.
(8) V. SIZE .......... Controls vertical screen size.
(9) V. HOLD .......... Provides vertical synchronization, i.e.,
controls up-down hold.
(10) V. POSI .......... Controls vertical display position on
screen.
(11) CONTRAST .......... Adjusts image contrast.