802BT/802R Video Test Generator User Guide 683
When selected, this image is displayed.
After pressing the Step key, the image moves to the right. Adjust the speed using the
Image knob (turn clockwise to slow down the image).
Ramp_B, Ramp_G, and Ramp_R
Description The active video area goes from full black (+7.5 IRE) at the left edge of the screen to full
blue (_B), green (_G), or red (_R) at the right edge. The Ramp_B image is shown below.
Test Video gain linearity
Method When viewed on a TV screen, the full range of grays should be visible. There should be no
color shifts visible.
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