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Adjustments Video - 36
9 Adjust the sub-contrast
control (VR301) to
decrease the screen
brightness until the
screen luminance
measures
• 21 on the bottom
scale of light meter
Model R77
• Upper end of 10 on
the 10 through 18
scale of light meter
Model L-248
• 21 footcandles on the
red scale of light
meter Model 246
• 25 fL (foot lamberts)
on a photometer
VR301
CRT Video Board
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Display Service
Utility
All-White Screen