Epson 5500C - Manual (Page 55)

2 • Using the Projector 46
To determine the minimum and maximum diagonal size of an image
when you know the projection distance:
●
Inches:
Maximum diagonal size = (0.6038
× projection distance) +
1.8898
Minimum diagonal size = (0.4631
× projection distance) +
1.4000
●
Centimeters:
Maximum diagonal size = (0.6038
× projection distance) +
4.8001
Minimum diagonal size = (0.4631
× projection distance) +
3.5560
To determine the projection distance when you know the diagonal
size of the screen image:
●
Inches:
Maximum projection distance = (2.1593
× diagonal size) -
3.0229
Minimum projection distance = (1.6562
× diagonal size) -
3.1291
●
Centimeters:
Maximum projection distance = (2.1593
× diagonal size) -
7.6782
Minimum projection distance = (1.6562
× diagonal size) -
4.2068
5500.book Page 46 Wednesday, August 4, 1999 4:41 PM