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Press the Right Arrow button so that it is illuminated red.
Turn the Adjustment Knob to the left; On the output
monitor you will see the background gradually coming in
from the right to cover the un-keyable area of the camera
image.
As the adjustment is being made you will notice
the background image is in black & white, this is to help
you see the edge of the window.
Now we will adjust the Left.
Press the Left Arrow button so that it is illuminated red.
Turn the Adjustment Knob to the right; On the output
monitor you will see the background gradually coming in
from the left to cover the un-keyable area of the camera
image.
We can now adjust the Top and Bottom using the same routine