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Projection distance formulas
To use a screen size not listed in this manual, check the screen size SD (m) and use the respective formula to
calculate projection distance.
The unit of all the formulae is m. (Values obtained by the following calculation formulae contain a slight error.)
When calculating a projection distance using image size designation (value in inches), multiply the value in inches
by 0.0254 and substitute it into SD in the formula for calculating the projection distance.
For PT-SX320A and PT-SX300A
Screen height (SH)
Screen width (SW)
Minimum distance (LW)
Maximum distance (LT)
For PT-SW280A
Screen height (SH)
Screen width (SW)
Minimum distance (LW)
Maximum distance (LT)
Adjusting adjustable feet
Install the projector on a flat surface so that the front of the projector is parallel to the screen surface and the
projected image is rectangular.
If the screen is tilted downward, the projected image can be adjusted to be rectangular by adjusting the front
adjustable feet. The adjustable feet can also be used to adjust the projector to be level when it is tilted in the
horizontal direction.
Press the leg adjuster button and adjust the vertical projection angle.
Back adjustable feet
Attention
f Heated air is expelled from the air exhaust port while the lamp is lit. Do not touch the air exhaust port directly when adjusting the adjustable
feet. ( x page 21)
Chapter 2 Getting Started — Setting up
16:9 aspect ratio
= 0.0125 × SD
= 0.0221× SD
= 0.0318 × SD - 0.011
= 0.0383 × SD - 0.035
16:10 aspect ratio
= 0.01346 × SD
= 0.02154× SD
= 0.030952 × SD - 0.025
= 0.037206 × SD - 0.033
4:3 aspect ratio
= 0.0152× SD
= 0.0203× SD
= 0.0292 × SD - 0.025
= 0.0351 × SD - 0.033
4:3 aspect ratio
= 0.0152× SD
= 0.0203× SD
= 0.03504 × SD - 0.025
= 0.04212 × SD - 0.033
Maximum adjustable range
Front adjustable feet: 50 mm (1-31/32")
Back adjustable feet: 23 mm (29/32")
ENGLISH - 29
(Unit: m)
(Unit: m)
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