Samsung SP-P410M - Manual (Page 14)

Installation and Connection 2-5
2-5 Screen Size and Projection Distance
Install the projector on a flat, even surface and level the projector using the adjustable feet to realize optimal picture quality.
If images are not clear, adjust them using the Focus Ring, or move the projector forward and backward.
1. The screen height and diagonal length according to the projection distance
The projection distance is the horizontal distance between the projector and the screen.
2. When your P410 projector is installed in a location where the projection distance matches the screen diagonal length , you will
enjoy a clear screen with no distortions (keystone).
SCREEN
POSITION
A B C D E F G
Projection Range 68 cm / 26.8
inches 104 cm /
40.9 inches 140 cm /
55.1 inches 176 cm /
69.3 inches 212 cm /
83.5 inches 248 cm /
97.6 inches 283 cm /
111.4 inches
Screen height 30 cm / 11.8
inches 46 cm / 18.1
inches 61 cm / 24.0
inches 76 cm / 29.9
inches 91 cm / 35.8
inches 106 cm /
41.7 inches 122 cm /
48.0 inches
Screen diagonal
length 50.8 cm / 20
inches 76.2 cm / 30
inches 101.6 cm /
40 inches 127 cm / 50
inches 152.4 cm /
60 inches 177.8 cm /
70 inches 203.2 cm /
80 inches