Setting up

If the projector is used with a screen size not listed in this manual, check the diagonal dimension (m) of your screen and calculation the projection distance using the following formula.

JJCalculation formulas for projection distance by lens types (for EZ570 series)

 

 

Lens type

 

Aspect ratio

Projection distance (L) formula

 

 

 

 

 

16:10

Min. (LW) L= 1.390824 x SD(m) - 0.055300

 

 

 

 

 

Max. (LT) L= 2.363170 x SD(m) - 0.048000

 

 

 

 

 

 

 

 

The standard zoom

 

 

16:9

Min. (LW) L= 1.429494 x SD(m) - 0.055300

 

 

 

 

 

 

 

lens

 

 

Max. (LT) L= 2.428874 x SD(m) - 0.048000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4:3

Min. (LW) L= 1.574521 x SD(m) - 0.055300

 

 

 

 

 

Max. (LT) L= 2.675292 x SD(m) - 0.048000

 

 

 

 

 

 

 

 

 

 

 

16:10

L= 0.676950 x SD(m) - 0.058500

 

 

Fixed-focus Lens

 

ET-ELW21

16:9

L= 0.695771 x SD(m) - 0.058500

 

 

 

 

 

4:3

L= 0.766360 x SD(m) - 0.058500

Getting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16:10

Min. (LW) L= 1.054401 x SD(m) - 0.055800

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Max. (LT) L= 1.435954 x SD(m) - 0.054000

 

 

 

 

 

 

 

 

 

 

 

 

 

Started

 

Short Zoom Lens

 

ET-ELW20

16:9

Min. (LW) L= 1.083717 x SD(m) - 0.055800

 

 

 

 

 

Max. (LT) L= 1.475879 x SD(m) - 0.054000

 

 

 

 

4:3

 

 

 

 

 

 

 

 

 

 

 

 

Min. (LW) L= 1.193663 x SD(m) - 0.055800

 

 

 

 

 

 

Max. (LT) L= 1.625612 x SD(m) - 0.054000

 

 

 

 

 

16:10

Min. (LW) L= 2.364811 x SD(m) - 0.114200

 

 

 

 

 

Max. (LT) L= 3.859024 x SD(m) - 0.112900

 

 

 

 

 

 

 

 

Long Zoom Lens

 

ET-ELT20

16:9

Min. (LW) L= 2.430561 x SD(m) - 0.114200

 

 

 

 

 

 

 

Max. (LT) L= 3.966318 x SD(m) - 0.112900

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4:3

Min. (LW) L= 2.677150 x SD(m) - 0.114200

 

 

 

 

 

 

 

 

 

 

 

Max. (LT) L= 4.368715 x SD(m) - 0.112900

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16:10

Min. (LW) L= 3.865178 x SD(m) - 0.213200

 

 

 

 

 

 

 

 

 

 

 

Max. (LT) L= 6.141781 x SD(m) - 0.210900

 

 

 

 

 

 

 

 

Ultra Long Zoom Lens

 

ET-ELT21

16:9

Min. (LW) L= 3.972643 x SD(m) - 0.213200

 

 

 

Max. (LT) L= 6.312543 x SD(m) - 0.210900

 

 

 

 

 

 

 

 

 

 

 

4:3

Min. (LW) L= 4.375682 x SD(m) - 0.213200

 

 

 

 

 

Max. (LT) L= 6.952973 x SD(m) - 0.210900

 

 

 

 

 

 

32 - ENGLISH