Apple lc 580.performa 580cd Manuale Di Servizio
Adjustments
Geometry - 9
Vertical Shift
1 Run Display Service
Utility to display the
All-White Screen test
pattern.
2 Using a hex-head plastic
adjustment tool, adjust
the VS (vertical shift)
control until the raster
is centered (top to
bottom) in the screen.
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