Appendix; Projection Dimensions Calculation - Panasonic PT-LB55NTE Operating Instructions Manual

Appendix

Projection dimensions calculation methods
If the screen size (diagonal) is SD (m), then the following formula is used to
calculate the projection distance for the wide lens position (LW) and the
projection distance for the telephoto lens position (LT).
PT-LB60NTE
PT-LB55NTE
For 16:9 aspect ratios, the following formula can be used to calculate the
projection distance.
PT-LB60NTE
PT-LB55NTE
*The values obtained from the formulas above are approximate.
NOTE:
B If 4:3 images are projected onto a 16:9 screen that
has been set using the projection distance for a
16:9 screen, the 4:3 images will overflow the
screen at the top and bottom. In such cases, set
"ASPECT" to "S4:3". (Refer to page 46 for details.)
LW/LT
LW=0.0303xSD/0.0254-0.044
LT=0.0364xSD/0.0254-0.044
LW=0.0337xSD/0.0254-0.044
LT=0.0405xSD/0.0254-0.044
LW=0.0331xSD/0.0254-0.044
LT=0.0397xSD/0.0254-0.044
LW=0.0369xSD/0.0254-0.044
LT=0.0443xSD/0.0254-0.044
4:3
E -67
NGLISH