Before Attaching; Lens Shift - Sony PSS-650 Manuel D'installation

Projection distance calculation formulas
D: Projection screen size (diagonal in inches)
L1 L1 = 0.007053 × D – 0.016810
(L1 = 0.277674 × D – 0.661950)
L2 L2 = 0.007048 × D + 0.101010
(L2 = 0.277471 × D + 3.976810)
L3 L3 = 0.007048 × D – 0.154990
(L3 = 0.277471 × D – 6.101930)
L4 L4 = 0.007048 × D – 0.669990
(L4 = 0.277471 × D – 26.377520)
L5 L5 = 0.007048 × D – 0.363290
(L5 = 0.277471 × D – 14.302710)
H1 H1 = 0.004712 × D – 0.072000
(H1 = 0.185500 × D – 2.834650)
H2 H2 = 0.004712 × D – 0.021670
(H2 = 0.185500 × D – 0.853150)
H3 H2 = 0.004712 × D + 0.099000
(H3 = 0.185500 × D + 3.897640)

Lens shift

Projection screen Center of lens
5% H 5%
Unit: m (in.)
5%
V
5%

Before Attaching

When shipped, the attachment bracket sliding portion is
not positioned in the center.
Use the following procedure to move the sliding portion
to the center position to ensure equal front/back and left/
right position adjustment range for subsequent
adjustment using procedures D) and E) in "Adjusting the
Angle and Position" (page 26).
1
Loosen the four M6 bolts (a) securing the front/
back position of the slider, and the four M6 bolts (b)
securing the left/right position of the slider.
2
Turn adjustment knob 3 counterclockwise to move
the slider to the center position.
3
Turn adjustment knob 4 counterclockwise to move
the slider to the center position.
(a)
(b)
Adjustment
knob 3
Adjust the front/back and left/right position of the
slider until the Δ marks are aligned as shown in the
following diagram.
4
Tighten the four M6 bolts (a) securing the front/
back position of the slider, and the four M6 bolts (b)
securing the left/right position of the slider.
(b)
Adjustment knob 4
21
Before Attaching