802BT/802R Video Test Generator User Guide 613
Note: The box will be the correct size only if the correct physical active video size is set in
the format.
The Box_50mm image is shown below. The secondary version draws a black box and
black text on a white background.
Test Brightness control adjustment
Purpose The wrong brightness setting may cause other tests such as Contrast, Focus, and Beam
Size to be invalid. An accurate brightness setting helps give repeatable measurements
throughout other tests.
Method Center your light meter probe within the center square and adjust the monitor’s brightness
control to obtain the required light meter reading.
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