Apple color classic ii.perf 275 서비스 매뉴얼
Adjustments
Geometry - 6
Vertical Size
1 Using a hex-head plastic
adjustment tool, adjust
the vertical height
control until the raster
height is 4.9 inches (±
1/16 inch) or 124.5
mm (± 1.5 mm).
2 Verify this height. If it
is off, repeat the
vertical size adjustment
and, if necessary, the
vertical center
adjustment.
All-White Screen
Vertical Height