Quantum Data 802BT - Manual (Page 653)

802BT/802R Video Test Generator User Guide 643
Method Perform the Brightness Control Adjustment and Brightness Uniformity tests first.
Changes in brightness from bar to bar should be uniform. All of the bars should appear as
an untinted gray at all levels.
Test Video gain linearity (monochrome monitors)
Purpose To check the video linearity (grayscale modulation)
Method Perform the Brightness Control Adjustment and Brightness Uniformity tests first.
Changes in brightness from bar to bar should be visible and uniform.
GrayL1, GrayL3
Description The GrayL1 image is shown below.
Grays5, Grays9, Grays11, Grays16, Grays32, Grays64
Description These images have the designated number of full-height vertical graybars.