HP sb21 HP Digital Projectors xb31 and sb21 - (European English) Owner Manual - Page 18

Projected image size diagonal

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operation Adjusting the hp xb31 zoom and focus Zoom is adjusted by rotating the zoom ring. Rotate the focus ring until the image is clear. The projector will focus at distances from 1.14 m to 12 m (3.7 feet to 39.4 feet). Zoom Ring Focus Ring xb31 Projected image size (diagonal) Calculating the Projected Image Size The screen diagonal dimension can be approximated by using one of these formulas: Zoomed out 7.5*Distance(ft.)=Diagonal(in.) 0.625*Distance(m)=Diagonal(m) or Zoomed in 6.25*Distance(ft.)=Diagonal(in.) 0.52*Distance(m)=Diagonal(m) Focal Distance For example: If your xb31 is 10 feet from the screen, the approximate zoomed out screen diagonal dimension will be 7.5*10 = 75 inches. Screen Max. (Diagonal) Min. Screen Max.(WxH) Size Min.(WxH) Focal Distance 28" 23" 22.4"x16.8" 18.4"x13.8" 3.7' 98" 82" 78.4"x58.8" 65.6"x49.2" 13.1' 123" 103" 98.4"x73.8" 82.4"x61.8" 16.4' 197" 164" 157.6"x118.2" 131.2"x98.4" 26.2' 246" 205" 196.8"x147.6" 164.0"x123.0" 32.8' 295" 246" 236.0"x177.0" 196.8"x147.6" 39.4' NOTE: This graph is for user's reference only. 18

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18
Adjusting the hp xb31 zoom and focus
Zoom is adjusted by rotating the zoom ring.
Rotate the focus ring until the image is clear.
The projector will focus at distances from 1.14 m to 12 m (3.7 feet to 39.4 feet).
Projected image size (diagonal)
Max.
28”
98”
123”
197”
246”
295”
Screen
(Diagonal)
Min.
23”
82”
103”
164”
205”
246”
Max.(WxH)
22.4”x16.8”
78.4”x58.8”
98.4”x73.8”
157.6”x118.2”
196.8”x147.6”
236.0”x177.0”
Screen
Size
Min.(WxH)
18.4”x13.8”
65.6”x49.2”
82.4”x61.8”
131.2”x98.4”
164.0”x123.0”
196.8”x147.6”
Focal Distance
3.7’
13.1’
16.4’
26.2’
32.8’
39.4’
NOTE:
This graph is for user’s reference only.
operation
xb31
Calculating the Projected
Image Size
The screen diagonal dimension
can be approximated by using one
of these formulas:
Zoomed out
7.5*Distance(ft.)=Diagonal(in.)
0.625*Distance(m)=Diagonal(m)
or
Zoomed in
6.25*Distance(ft.)=Diagonal(in.)
0.52*Distance(m)=Diagonal(m)
For example:
If your xb31 is 10 feet from the
screen, the approximate zoomed
out screen diagonal dimension will
be 7.5*10 = 75 inches.
Zoom Ring
Focus Ring
Focal
Distance