Macintosh Classic - Page 97

Adjustments Video - 8
2 From the pattern
selections screen, select
the Full brightness
screen.
3 Hold the light meter
lens against the center of
the screen.
4 Using an insulated flat-
blade screwdriver,
adjust the contrast
control until you
measure luminance at
40 foot lamberts (± 3
foot lamberts), which on
the light meter is
• Model L-248: 10 to
11 on the 10-18 scale