30
150B LCD
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Colour Adjustment (Continued)
11. Gray scale checking
- Switch Timing/pattern generator to
Pattern: 32 gray scale
Timing: 1024 X 768 75Hz 60KHz
- Setting both Brightness and Contrast to 50 (Value).
- Check black and white scale are visible clearly across the screen.
See Fig. 1
Fig. 1
Note: The bright scale will be saturated, if Y is too large. The dark scale
will be invisible, if Y is too small. Re-alignment or review procedure
again to correct this.
