Apple color classic Manual Do Serviço

 

 Adjustments

Video - 19

 

5 Using Display Service 

Utility, display the All-

White Screen test 

pattern.

6 Adjust the sub-contrast 

control until the 

luminance measures 37 

foot lamberts (± 3 foot 

lamberts), which on the 

light meter is

• Model R77: 27 on the 

bottom scale

• Model L-248: high 

end of 10 on the     

10-18 scale                             

• Model 246: 27 on the 

red scale

All-White Screen

Sub-Contrast