7
附表
/ Appendix
附表
/ Appendix (
续
/ continued)
z
投影距离计算方法
z
Projection distance formulas
下表中的尺寸可能略有误差。
在下表的计算公式中, 句点代表小数点。
The dimensions of the following table contain a slight error.
Periods are used to represent decimal points in the calculation formulas in the following table.
z
ET-D3LEW60C
(单位
/ Unit : m
)
L
LW
LT
PT-SRQ32KC
当屏幕宽高比为
16:10
时
(2560
×
1600)
When the screen aspect ratio is 16:10 (2560
×
1600)
=0.8549
×
SD-0.0566 =1.0242
×
SD-0.0736
当屏幕宽高比为
16:9
时
(2560
×
1440)
When the screen aspect ratio is 16:9
(
2560
×
1440
)
=0.8786
×
SD-0.0566 =1.0527
×
SD-0.0736
当屏幕宽高比为
4:3
时
(2133
×
1600)
When the screen aspect ratio is 4:3
(
2133
×
1600
)
=0.9679
×
SD-0.0566 =1.1596
×
SD-0.0736
PT-SRZ31KC /
PT-SRZ21KC
当屏幕宽高比为
16:10
时(
WUXGA; 1920
×
1200
)
When the screen aspect ratio is 16:10
(
WUXGA; 1920
×
1200
)
=0.7979
×
SD-0.0566 =0.9559
×
SD-0.0736
当屏幕宽高比为
16:9
时(
1920
×
1080
)
When the screen aspect ratio is 16:9
(
1920
×
1080
)
=0.8201
×
SD-0.0566 =0.9825
×
SD-0.0736
当屏幕宽高比为
4:3
时(
1600
×
1200
)
When the screen aspect ratio is 4:3
(
1600
×
1200
)
=0.9032
×
SD-0.0566 =1.0822
×
SD-0.0736
PT-SRS30KC /
PT-SRS20KC
当屏幕宽高比为
16:9
时(
1400
×
788
)
When the screen aspect ratio is 16:9
(
1400
×
788
)
=0.8877
×
SD-0.0566 =1.0636
×
SD-0.0736
当屏幕宽高比为
4:3
时(
SXGA+; 1400
×
1050
)
When the screen aspect ratio is 4:3
(
SXGA+; 1400
×
1050
)
=0.8150
×
SD-0.0566 =0.9764
×
SD-0.0736
z
ET-D3LES20C
(单位
/ Unit : m
)
L
LW
LT
PT-SRQ32KC
当屏幕宽高比为
16:10
时
(2560
×
1600)
When the screen aspect ratio is 16:10 (2560
×
1600)
=1.5334
×
SD-0.0832 =2.2280
×
SD-0.1162
当屏幕宽高比为
16:9
时
(2560
×
1440)
When the screen aspect ratio is 16:9
(
2560
×
1440
)
=1.5760
×
SD-0.0832 =2.2900
×
SD-0.1162
当屏幕宽高比为
4:3
时
(2133
×
1600)
When the screen aspect ratio is 4:3
(
2133
×
1600
)
=1.7361
×
SD-0.0832 =2.5226
×
SD-0.1162
PT-SRZ31KC /
PT-SRZ21KC
当屏幕宽高比为
16:10
时(
WUXGA; 1920
×
1200
)
When the screen aspect ratio is 16:10
(
WUXGA; 1920
×
1200
)
=1.4312
×
SD-0.0832 =2.0795
×
SD-0.1162
当屏幕宽高比为
16:9
时(
1920
×
1080
)
When the screen aspect ratio is 16:9
(
1920
×
1080
)
=1.4709
×
SD-0.0832 =2.1373
×
SD-0.1162
当屏幕宽高比为
4:3
时(
1600
×
1200
)
When the screen aspect ratio is 4:3
(
1600
×
1200
)
=1.6202
×
SD-0.0832 =2.3542
×
SD-0.1162
PT-SRS30KC /
PT-SRS20KC
当屏幕宽高比为
16:9
时(
1400
×
788
)
When the screen aspect ratio is 16:9
(
1400
×
788
)
=1.5924
×
SD-0.0832 =2.3137
×
SD-0.1162
当屏幕宽高比为
4:3
时(
SXGA+; 1400
×
1050
)
When the screen aspect ratio is 4:3
(
SXGA+; 1400
×
1050
)
=1.4618
×
SD-0.0832 =2.1241
×
SD-0.1162