ViewSonic VA712b-1 Service Manual page 30

16. Gray_Scale_0-100_H256
Test Signal: 1280*1024@60Hz
Test Pattern:
Horizontal 64(256) Gray Scale (Up ¡÷ Down¡A From 0 to 100% White)
Inspection Item: Line Defect & Function Defect
16. Block Window
Test Signal: 1280*1024@60Hz
Test Pattern:
Black block at the center
Inspection Item: Cross Talk & Optical Character
17. Black_Tile
Test Signal: 1280*1024@60Hz
Test Pattern:
Black tile under white background
Inspection Item: Function Defect & Image Remain
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