Acer Projector P7500 User Manual

							11
EnglishAdjusting 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 16)
1
2Elevator feet
Tilt adjusting wheels 
						

							12
English
How 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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Height: 147cm
Form base to 
top of image
3m
Desired Distance
Height: 
96cm 
						

							13
English
Desired
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 148 193 181 402 x 226 294
7 139 307 x 173 225 212 469 x 264 343
8 159 351 x 197 257 242 535 x 301 392
9 178 395 x 222 289 272 602 x 339 441
10 198 439 x 247 321 302 669 x 377 489
11 218 483 x 272 353 333 736 x 414 538
12 238 527 x 296 385 363 803 x 452 587
Zoom Ratio: 1.5x 
						

							14
English
How 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
5
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ens
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be
el
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at 
						

							15
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 
						

							16
English
How 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 
						

							17
EnglishAdjusting 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
TEMPSOURCERESYNCMENU
ZOOM
Left Side (15%W)Screen Width (100%W)Right Side (15%W) 
						

							18
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% 
						

							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 maintenance.
 
3 The background pattern acts as a guide to adjusting the calibration and 
alignment settings, such as screen size and distance, focus and more .
4 The Installation menu includes the following options:
•Projection method
•Menu location
•Keystone settings
•Language settings
•Reset to factory default function
Use the up and down arrow keys to select an option, the left and right 
arrow keys to adjust selected option settings, and the right arrow key to 
enter a submenu for feature setting. The new settings will be saved 
automatically upon exiting the menu.
5 Push the menu button anytime to exit the menu and return to the Acer 
welcome screen.
 
 
  
						

							20
English
Acer Empowering Technology
Empowering  KeyAcer Empowering Key provides four 
Acer unique functions, they are Acer 
eView Management, Acer eTimer 
Management and Acer ePower 
Management respectively. Press   
key for more than one second to launch 
the Onscreen display main menu to 
modify its function.
Acer eView ManagementPress   to launch Acer eView 
Management  submenu.
Acer eView Management is for 
display mode selection. Please refer to 
Onscreen Display Menus section for 
more detail.
Acer eTimer ManagementPress   to launch Acer eTimer 
Management submenu.
Acer eTimer Management provides 
the reminding function for presentation 
time control. Please refer to Onscreen 
Display Menus section for more detail.
Acer ePower ManagementPress   to launch Acer ePower 
Management.
Acer ePower Management provides 
user one shortcut to save lamp and 
projector life. Please refer to Onscreen 
Display section for more detail.