10 in. (254 mm) —height
of wall plate plus cover
Required distance from top
of image area to wall plate (b)
Height of
Ceiling
image area (h)
height
(8) After confirming your image size, use tape or a pencil to mark the distance (b) from the top of
the image area on the board to the bottom of the wall plate.
(9) Align the
line (horizontal) on the template sheet with the (b) mark, then align the center
line on the template sheet with the center of the image area. Follow the instructions on page
16 to install the projector.
The tables on the following pages provide installation information for all supported image sizes. The
minimum ceiling height is based on an image 30 inches from the floor; if the image is lower, the minimum
ceiling height is reduced by the corresponding measurement.
Use the worksheets, the illustration below, and the information in the tables on the following pages to
determine the projection distance and placement of the wall plate. The recommended range for projection
distance (a) is 2.76 to 14.57 inches (7 to 37 cm).
Width of image area (w)
2.55 in. (65 mm)
10 in. (254 mm)
Distance from wall of projection
surface or whiteboard
10
Distance from ceiling to
top of image area (c)
Diagonal image
size (S)
Distance from floor to
bottom of image area (f)
Offset value for the position of
the center of the screen and the
center of the wall plate
Wall plate
Line on template
Projection surface