Apple IMAC User Manual - Page 287
White Balance, Open the Display
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Adjustments Cutoff - 20 White Balance Make sure the cutoff is set correctly before you proceed and that the monitor has been on for at least 10 minutes. 1. Open the Display Adjustment Utility and select the Gray Bars test pattern from the Pattern menu.
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Adjustments
Cutoff - 20
White Balance
Make sure the cutoff is set
correctly before you proceed
and that the monitor has
been on for at least 10
minutes.
1.
Open the Display
Adjustment Utility and
select the Gray Bars test
pattern from the Pattern
menu.