BOXLIGHT CD-850m - Manual (Page 11)

10
Adjusting the image
Adjust the height of the projector, if necessary, by pressing the release but-
ton to extend the elevator foot.
Rotate the leveling foot, if necessary.
Position the projector the desired distance from the screen at a 90 degree
angle to the screen.
See page 39 for a table listing screen sizes and distances.
Adjust the zoom or focus rings by rotating them until the desired image size
and sharpness are produced.
If the image is not square, adjust the keystone by using the buttons on the
keypad.
Press the upper Keystone button to reduce the upper part of the image, and
press the lower Keystone button to reduce the lower part.
Adjust the Contrast or Brightness in the Picture menu.
See page 27 for help with the menus.
adjust height
rotate level-
ing foot
elevator foot
adjust distance
adjust zoom and focus
focus
zoom
adjust keystone
adjust Contrast or Brightness
contrast
brightness