Apple 5400/200 Benutzerhandbuch

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 Adjustments
Video - 37
 
10 Run Display Service 
Utility to display the 
Gray Bars test pattern.
11 In most cases the four 
brightest bars will 
appear to be shades of 
gray, and the leftmost 
bar will be solid black. 
If not, adjust the red 
(VR302) and green 
(VR303) gain controls 
until the color of the 
four brightest bars is 
neutralized. 
VR302
VR303
CRT Video Board
Run 
Display Service
Utility
Gray Bars
Test Pattern