Adjusting the Projector's Focus
To focus the image, rotate the focus ring until the image is clear.
Adjusting Projection Image Size
Refer to the graphics and table show as below to determine the screen size and
projection distance.
Adjusting the vertical image position
y
Screen Size (16:10)
Diagonal (inch)
70
80
87.2
90
100
Screen Size (4:3)
Diagonal (inch)
60
70
77
80
90
N
N
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Downloaded From projector-manual.com Acer Manuals
Projection Distance (A)
Screen
Projection Distance (B)
WXGA Series
Projection Distance (A)
mm
Inch
1778
20.4
2032
23.5
2215
25.8
2286
26.7
2540
29.9
XGA Series
Projection Distance (A)
mm
Inch
1524
20.6
1778
24.3
1956
27.0
2032
28.0
2286
31.6
Projection Distance A(mm)=Screen size(mm) x 0.296, Tolerance is around 3.1%
Ex: Projection Distance (655mm)=Screen size(2215mm) x 0.296
This table is for user's reference only.
Focus Ring
Projection Distance (B)
mm
Inch
517
7.2
596
10.3
655
12.6
677
13.5
759
16.7
Projection Distance (B)
mm
Inch
522
7.4
617
11.1
684
13.7
712
14.9
802
18.4
mm
182
262
320
343
424
mm
187
282
349
378
468