644 Appendix B Image Reference
The Grays11 image is shown below.
GraysAll
Description Contains 256 grayscale versions, from 0 (full black) to 255 (full white).
Grill_11, Grill_15, Grill_22, Grill_33, Grill_44
Description The entire active video area is filled with alternating black and white stripes. The stripes
are drawn at different resolutions. Each of the stripes is four (4) pixels wide in the Grill_44
image and three (3) pixels wide in the Grill_33 image. Each of the stripes is two (2) pixels
wide in the Grill_22 image and one (1) pixel wide in the Grill_11 image.