beautypg.com

Apple Macintosh Performa 577 User Manual

Page 154

background image

Adjustments

Geometric Distortion - 33

5 Using a hex-head plastic

adjustment tool, adjust

the control that is

appropriate for the

distortion.

6 If the display is so

distorted that you can’t

tell which adjustments

to make, perform the

adjustments in the

following sequence:

• Pin Phase (KS)

• Vertical Angle (PR)

• Horizontal Bow (PB)