Acer Pf 801 Users Guide

11
EnglishTurning the projector off
1 To turn the projector off, press the power button. This message appears: 
Please press the power button again to complete the shutdown process. 
Press the power button again.
2 The LED power indicator will turn RED and blink rapidly after the projector 
is turned off, and the fan(s) will continue to operate for about 2 minutes to 
ensure that the system cools properly.
3 As long as the power cord remains plugged in, you can press the power 
button to turn the...

12
English
Adjusting the Projected Image
Adjusting the Height of Projected Image
The projector is equipped with elevator feet for adjusting the height of image.
To raise/lower the image:
1 Raise the image to the desired height angle (Illustration #1), then pull out 
the stand feet into position.
2 Use Tilt adjusting wheel (Illustration #2) to fine-tune the display angle.
3 Use Lens shift control rings to move the image to the ideal position. (refer 
to page 17)
1
2Elevator feet
Tilt adjusting wheels...

13
EnglishHow to optimize image size and distance
Consult the table below to find the optimal image sizes achievable when the 
projector is positioned at a desired distance from the screen. Example: If the 
projector is 3 m from the screen, good image quality is possible for image sizes 
between 59 and 91.
Note: Remind as below figure, the space of 147 cm height is 
required when located at 3m distance.
Figure: Fixed distance with different zoom and screen size.
91
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14
EnglishDesired
Distance 
(m)
Screen size
TopScreen sizeTop
(Min zoom) (Max zoom)
Diagonal 
(inch)
W (cm) x H (cm) From base 
to top of 
image (cm)
Diagonal 
(inch)
W (cm) x H (cm)From base to 
top of image 
(cm)

1.5 30 66 x 37 48 45 100 x 56 73
2 40 88 x 49 64 60 134 x 75 98
2.5 50 110 x 62 80 76 167 x 94 122
359132 x 749691201 x 113147
3.5 69 154 x 86 112 106 234 x 132 171
4 79 176 x 99 128 121 268 x 151 196
4.5 89 197 x 111 144 136 301 x 169 220
5 99 219 x 123 160 151 335 x 188 245
6 119 263 x 148...

15
EnglishHow to get a preferred image size by adjusting 
distance and zoom
The table below shows how to achieve a desired image size by adjusting either 
the position or the zoom ring. For example: to obtain an image size of 50 set 
the projector at a distance 1.7 m and 2.5 m from the screen and adjust the zoom 
level accordingly.
HeightForm base to top 
of image
Desired Distance1.7 m
2.5 m
50
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16
English
Screen size Distance (m)Top (cm)
Diagonal 
(inch)
W (cm) x H (cm)Max zoom
Min zoom
From base to top of 
image

30 66 X 37 1.0 1.5 49
40 89 X 50 1.3 2.0 65
50111 X 621.72.581
60 133 X 75 2.0 3.0 97
70 155 X 87 2.3 3.5 113
80 177 X 100 2.6 4.0 130
90 199 X 112 3.0 4.5 146
100 221 X 125 3.3 5.0 162
120 266 X 149 4.0 6.1 194
150 332 X 187 5.0 7.6 243
180 398 X 224 6.0 9.1 291
200 443 X 249 6.6 10.1 324
250 553 X 311 8.3 12.6 405
300 664 X 374 9.9 486
Zoom Ratio: 1.5x
Downloaded From...

17
EnglishHow to get a preferred image position by adjusting 
lens shift
The projector is equipped with lens shift for adjusting the position of projected 
image right and left or up and down without requiring you to physically move 
the projector.
Note: The figures shown in this section are for reference only not 
approximate value. The figures between units can be different due to 
assembly tolerance.
Vertical Lens 
Shift ring
Horizontal 
Lens Shift ring
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18
English
Adjusting the horizontal or vertical image position
The vertical image height can be adjusted between 5% and 30% of the image 
height. (The minimum vertical image offset is fixed at 5% of the image height 
above the centre of the projector lens.)
With the lens in the centre position the horizontal image position can be 
adjusted to the left or right by up to a maximum of 15% of the image width. 
100% (H)
5%
25%
100% (H)
25%
Screen
Maximum Shift
Distance (L)
Screen Height
LAMP...

19
English
Note: The maximum shift of vertical (horizontal) image adjustment can be 
limited by horizontal (vertical) image position. Please refer below diagram.
LAMP
TEMPSOURCERESYNCMENU
ZOOM
HH x 15%
V
H x 15%
V
V x 25%
H x 5%H x 5%
130%(V), 0%(H)
-15%(H)15%(H)
105%(V)
117.5%(V) -7.5%(H)7.5%(H)
Offset max= 
V x 30%
Offset min= V x 5%
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19
EnglishUser Controls
Installation menu
The installation menu provides an onscreen display (OSD) for projector 
installation and maintenance. Use the OSD only when the message No signal 
input is displayed on the screen. 
The menu options include settings and adjustments for screen size and distance, 
focus, keystone correction and more.
1 Turn on the projector by pressing Power button on the control pad.
2 Press the menu button on the control pad to launch the OSD for projector 
installation and...