Vax 20RTC - Manual (Page 11)

: Screen
: Brightness
Increase or decrease the intensity of the image.
: Contrast
Increase or decrease the intensity (lightness or dimness) of the image.
: H. position (PC Mode Only)
Move image horizontally on screen right or left.
: V. position (PC Mode Only)
Move image vertically on screen up or down.
: Clock (PC Mode Only)
Adjust the vertical noise of screen image.
: Phase (PC Mode Only)
Adjust the number of horizontal picture elements.
INSTRUCTION MANUAL …………………………………………………………………………… 10