Black Level - Eiki EK-620U Manual

【 Black Level 】
This function is only for adjusting non over-lapped area when whole image is
dark.
<Example of adjustment black level>
Grab 4 points on black level tab to match the non over-lapped area and start to
adjust the brightness of black level.
Click the palette row to edit colors dialog for color settings.
Use R/G/B values to make the brightness on the darker area as close as possible to
the over-lapped area.
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