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Projection relationships (continued)
If you are using a projection screen size not listed in these Operating Instructions, measure the diagonal screen
size SD (m). Then use the calculation methods provided to determine projection distance (L1) and the distance
from the top of the projector to the bottom edge of the screen (A1).
Establishing dimensions L1 and A1 allows you to calculate all other dimensions.
(Units for calculations: m) (Note that the values obtained in the following calculations are approximations.)
Projection distance calculation method
z For PT-DZ870
Projection distance (L1)
Top of projector to bottom
edge of screen (A1)
z For PT-DW830
Projection distance (L1)
Top of projector to bottom
edge of screen (A1)
z For PT-DX100
Projection distance (L1)
Top of projector to bottom
edge of screen (A1)
z For PT-DZ770 / DZ680 / DZ6710 / DZ6700
Projection distance (L1)
Top of projector to bottom
edge of screen (A1)
z For PT-DW740 / DW730 / DW640 / DW6300
Projection distance (L1)
Top of projector to bottom
edge of screen (A1)
z For PT-DX810 / DX800 / DX610 / D6000 / D5000
Projection distance (L1)
Top of projector to bottom
edge of screen (A1)
z Calculation method for L2, L3, L4 and A2
Front end of lens to screen (L2)
Projector front end to screen (L3)
Projector rear end to screen (L4)
Projector bottom to bottom edge of screen (A2)
14-ENGLISH
For an aspect ratio of 16:10 For an aspect ratio of 16:9
=0.3205×SD + 0.0047
=0.1977×SD - 0.0721
For an aspect ratio of 16:10 For an aspect ratio of 16:9
=0.3365×SD + 0.0047
=0.2597×SD - 0.0740
For an aspect ratio of 4:3
=0.3133×SD + 0.0047
=0.1881×SD - 0.0715
For an aspect ratio of 16:10 For an aspect ratio of 16:9
=0.3205×SD + 0.0047
=0.1977×SD - 0.0671
For an aspect ratio of 16:10 For an aspect ratio of 16:9
=0.3365×SD + 0.0047
=0.2597×SD - 0.0690
For an aspect ratio of 4:3
=0.3133×SD + 0.0047
=0.1881×SD - 0.0665
=0.3294×SD + 0.0047
=0.2304×SD - 0.0721
=0.3459×SD + 0.0047
=0.2942×SD - 0.0740
For an aspect ratio of 16:9
=0.3413×SD + 0.0047
=0.2866×SD - 0.0715
=0.3294×SD + 0.0047
=0.2304×SD - 0.0671
=0.3459×SD + 0.0047
=0.2942×SD - 0.0690
For an aspect ratio of 16:9
=0.3413×SD + 0.0047
=0.2866×SD - 0.0665
PT-DZ770 / DW740 / DX810 /
PT-DZ870 / DW830 /
DZ680 / DW640 / DX610 / DW730
DX100
DX800 / DZ6710 / DZ6700 / DW6300 /
D6000 / D5000
L1 - 0.679
A1 + 0.200
For an aspect ratio of 4:3
=0.3628×SD + 0.0047
=0.2238×SD - 0.0721
For an aspect ratio of 4:3
=0.3809×SD + 0.0047
=0.2941×SD - 0.0740
For an aspect ratio of 4:3
=0.3628×SD + 0.0047
=0.2238×SD - 0.0671
For an aspect ratio of 4:3
=0.3809×SD + 0.0047
=0.2941×SD - 0.0690
L1 + 0.023
L1 - 0.166
L1 - 0.589
A1 + 0.175
Unit: m
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