IBM C50 - Manual (Page 9)

ENGLISH
7
Primary Controls
Description Function
Effect of Control
- +
Horizontal Size Adjusts image width
Moves image left or right
Horizontal
Position
Moves image up or down
Vertical
Position
Vertical Size Adjusts image height
If the LED indicator is lit, press shift button ( ) to turn it off.
Press the control button once to select the primary function, then press the " - " and " + " buttons to adjust.