Apple 1705 manual

AdjustmentsNon User Adjustments - 43

Note: VR304 and VR303 may have to be adjusted several times to obtain a neutral gray.

4 Use Display Service Utility

to select the gray bars

pattern, and adjust VR304 (G-BIAS) until the screen is blue-green (equal amounts of blue and green).

5 Adjust VR303 (R- BIAS) until the screen is neutral gray (no color present).