3M MP7760 - Manual (Page 12)

3M ™ Multimedia Projector MP7760 12 © 3M IPC 2000
3-5. Image Size (Projector-to-Screen Distance)
Adjust the size of the projected image by using the zoom ring on the upper side of the projection lens. Figure
3-4.
The projected image size values, as they relate to the distance-to-screen value, are shown for focal lengths of
f=28mm and f=36.2mm. Figure 3-5.
.
Figure 3-4. Adjusting Focus and Zoom
o t e c n a t s i D
n e e r c S
) . t f ( m
) m m 8 2 = f ( m u m i x a M ) m m 2 . 6 3 = f ( m u m i n i M
h t d i W e g a m I
) . n i ( m
t h g i e H e g a m I
) . n i ( m
h t d i W e g a m I
) . n i ( m
t h g i e H e g a m I
) . n i ( m
) 2 9 . 4 ( 0 5 . 1 . n i M ) 2 . 6 3 ( 2 9 . 0 ) 2 . 7 2 ( 9 6 . 0 ) 6 . 7 2 ( 0 7 . 0 ) 9 . 0 2 ( 3 5 . 0
) 0 2 . 8 ( 0 5 . 2 ) 6 . 0 6 ( 4 5 . 1 ) 3 . 5 4 ( 5 1 . 1 ) 9 . 6 4 ( 9 1 . 1 ) 0 . 5 3 ( 9 8 . 0
) 4 8 . 9 ( 0 0 . 3 ) 8 . 2 7 ( 5 8 . 1 ) 7 . 4 5 ( 9 3 . 1 ) 3 . 6 5 ( 3 4 . 1 ) 1 . 2 4 ( 7 0 . 1
) 0 4 . 6 1 ( 0 0 . 5 ) 7 . 1 2 1 ( 9 0 . 3 ) 3 . 1 9 ( 2 3 . 2 ) 1 . 4 9 ( 9 3 . 2 ) 5 . 0 7 ( 9 7 . 1
) 7 9 . 2 2 ( 0 0 . 7 ) 9 . 0 7 1 ( 4 3 . 4 ) 0 . 8 2 1 ( 5 2 . 3 ) 9 . 1 3 1 ( 5 3 . 3 ) 8 . 8 9 ( 1 5 . 2
) 1 8 . 2 3 ( 0 0 . 0 1 ) 1 . 4 4 2 ( 0 2 . 6 ) 1 . 3 8 1 ( 5 6 . 4 ) 6 . 8 8 1 ( 9 7 . 4 ) 3 . 1 4 1 ( 9 5 . 3
Figure 3-5. Image Size
Section 3: Set-Up/Connections