NEC LT75Z - Manual (Page 22)

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Press the Source button on the remote control or the projector
cabinet to select “Video” (VCR, document camera, or laser disc
player), S-Video” or “RGB” (computer or DVD with component
output).
Or press the “Menu” button on the remote control or the cabi-
net and use the menu to select your video source: “Video”, “S-
Video” or “RGB” .
NOTE: If no input signal is available, the projector will display a blue
background (factory preset).
Adjusting the Image Size and the Focus
Use the Zoom ring to fine adjust the image size on the screen.
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Use the Focus ring to obtain the best focus.
Place your projector on a flat level surface and Ensure that the
projector is square to the screen.
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Lift the front edge of the projector to center the image verti-
cally.
Move the projector left to center the image horizontally on the
screen.
Rotate the rear foot to make the image square to the screen.
Use keystone correction for proper adjustment.
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