Epson Pro L30002UNL 30,000-Lumen HDR Pixel-Shift DCI 4K Laser 3LCD Large Venue Projector (White) - Manual (Page 101)

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2 Displays the vertical image position; select to change the value
3 Moves the image position up, down, left, or right
4 Moves the lens to the home position
5 Displays the horizontal image position; select to change the value
Test Pattern screen
1 Displays available test patterns; select to project a test pattern
2 Turns off test pattern display