Apple lc 580.performa 580cd Service Manual

Page of 151
 
 Adjustments
Geometry - 10
 
Horizontal Shift
 
Using a hex-head plastic 
adjustment tool, adjust the 
HS (horizontal shift) 
control until the raster is 
centered (side to side) in the 
display area.
 
Note:
 
   The VS (vertical 
shift) and HS (horizontal 
shift) controls on this 
monitor are also accessible 
when the rear housing is on. 
Adjustment
Controls
All-White Screen