8
3.1.2 Screen Size and Installation Distance
The distance between the main unit and the screen is proportional to the image size. The closer the main unit is to the screen, the smaller the
image size will be; vice versa. The following is a brief description of the relationship between screen size and installation distance, with the desktop
front projection as an example. Please refer to the following data to determine the approximate installation distance.
Screen size and installation distance(For Reference only) Unit: mm
Screen
Size
Width of
Display Area
Height of
Display Area
Projection
distance
①
Height from main unit
to screen
②
80''
1771
996
47
199
90''
1992
1121
93
230
100''
2214
1245
140
261
Prompt Information
①
“
” in Fig. 14 is the distance
between the back end of the
main unit and the screen
②
"
" in Fig. 14 is the height of the top of
the main unit relative to the bottom of the
screen
③
It is suggested that the viewing
distance should be more than
1.5 times of the diagonal length
of the screen. Long-term close
watching of the screen may
affect vision
④
The above data are for users' reference
only. Please be noted that there may be
deviations in actual use
Fig. 14 Installation distance