Epson EB-L1075U User Manual page 213

Image Maintenance
k
Use the [ ][ ] buttons to select the color you want to adjust,
and then use the [ ][ ] buttons to adjust.
Press the [ ] button to weaken the color tone. Press the [ ] button
to strengthen the color tone.
l
Return to step 6 and adjust each level.
m
To complete the adjustment, press the [Menu] button.
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