Acer H7531d Dlp Users Guide

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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 74 and 90.
Note: Remind as below figure, the space of 130 cm height is 
required when located at 3m distance.
Figure: Fixed distance with different zoom and screen size.
90
74744
AC B
Height: 130cm 
Form base to 
top of image
Height: 
107cm
3m Desired Distance
Max 
s
c
re
e
n s
ize
Mi
n 
sc
re
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n 
siz
e
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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 37 82 x 46 53 45 99 x 56 65
2 49 109 x 61 71 60 132 x 75 86
2.5 62 137 x 77 89 75 166 x 93 108
374164 x 9210790199 x 112130
3.5 86 191 x 108 125 105 232 x 130 151
4 99 219 x 123 143 120 265 x 149 173
4.5 111 246 x 138 160 135 298 x 168 194
5 123 273 x 154 178 150 331 x 186 216
6 148 328 x 184 214 179 397 x 224 259
7 173 383 x 215 250 209 464 x 261 302
8 197 437 x 246 285 239 530 x 298 346
9 222 492 x 277 321 269 596 x 335 389
10 247 546 x 3 07 357 299 662 x373 423
Zoom Ratio: 1.2x
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							13
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 60 set 
the projector at a distance 2.0 m and 2.4 m from the screen and adjust the zoom 
level accordingly.
A
CD
B
60Desired 
image size
Height: 87cm
Form base to 
top of image
Desired Distance2 m
2.4 m
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English
Desired Image 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 1.2 43
40 89 x 50 1.3 1.6 58
50 111 x 62 1.7 2.0 72
60133 x 752.02.487
70 155 x 87 2.3 2.8 101
80 177 x 100 2.7 3.2 116
90 199 x 112 3.0 3.6 130
100 221 x 125 3.3 4.1 144
120 266 x 149 4.0 4.9 173
150 332 x 187 5.0 6.1 217
180 398 x 224 6.0 7.3 260
200 443 x 249 6.7 8.1 289
250 553x 311 8.4 10.1 361
300 664 x 374 10.0 *** 433
Zoom Ratio: 1.2x
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							15
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
•Projection location
•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.
 
 
 
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							16
English
Acer Empowering Technology
Empowering  KeyAcer Empowering Key provide three 
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.
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							17
EnglishOnscreen Display (OSD) Menus
The projector has multilingual OSD that allow you to make image adjustments 
and change a variety of settings.
Using the OSD menus
•To open the OSD menu, press MENU on the remote control or control 
panel.
•When the OSD is displayed, use the   keys to select any item in the 
main menu. After selecting the desired main menu item, press   to enter 
submenu for feature setting.
•Use the   keys to select the desired item and adjust the settings by 
using the   keys.
•Select the next item to be adjusted in the submenu and adjust as described 
above.
•Press MENU on the remote control or control panel, the screen will 
return to the main menu.
•To exit OSD, press MENU on the remote control or control panel again. 
The OSD menu will close and the projector will automatically save the new 
settings.
Main menu
Sub menuSetting
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							18
English
Color
Display ModeThere are many factory presets optimized for various types of 
images.
•Bright: For brightness optimization.
•Presentation: For meeting presentation with higher 
brightness.
•Standard: For common environment.
•Movie: For brighter and general movie/video/photo playing.
•Dark Cinema: For dark movie content.
•Game: For game content.
•Sports: For sport picture.
•User: Memorize user’s settings.
Wall ColorUse this function to choose a proper color according to the wall. 
There are several choices, including white, light yellow, light blue, 
pink, dark green. It will compensate the color deviation due to the 
wall color to show the correct image tone.
BrightnessAdjust the brightness of the image.
•Press   to darken image.
•Press   to lighten the image.
ContrastContrast controls the difference between the lightest and 
darkest parts of the picture. Adjusting the contrast changes the 
amount of black and white in the image.
•Press   to decrease the contrast.
•Press   to increase the contrast.
Color 
TemperatureAdjust the color temperature. At higher color temperatures, the 
screen looks colder; at lower color temperatures, the screen looks 
warmer.
DegammaEffects the representation of dark scenery. With greater gamma 
value, dark scenery will look brighter.
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English
Note: Saturation and Tint functions are not supported under computer 
mode or HDMI mode.
Note: HDMI Color Range function is only supported under DVI mode.
AdvancedSharpeness
Adjusts the sharpness of the image.
•Press   to decrease the sharpness.
•Press   to increase the sharpness.
Brilliant Color
Produces an expanded on-screen color spectrum that delivers 
enhanced color saturation for bright, true-to-life images. This 
feature is On by default.
Dynamic Black
This feature enables the projector to automatically optimize the 
display of dark movie scenes enabling them to be shown in 
incredible detail.
Color 
ManagementColor R
Adjusts the red color.
Color G
Adjusts the green color.
Color B
Adjusts the blue color.
Color C
Adjusts the cyan color.
Color M
Adjusts the magenta color.
Color Y
Adjusts the yellow color.
Skin Color
Adjusts the skin color.
SaturationAdjusts a video image from black and white to fully saturated 
color.
•Press   to decrease the amount of color in the image.
•Press   to increase the amount of color in the image.
TintAdjusts the color balance of red and green.
•Press   to increase the amount of green in the image.
•Press   to increase the amount of red in the image.
HDMI Color 
RangeAdjust the color range of the HDMI image data to correct color 
display error.
•Auto: Automatically adjust by information from player.
•Limited Range: Prosess the input image as limited color range 
data.
•Full Range:  Prosess the input image as full color range data. 
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English
Image
Projection mode
•Front: The factory default setting.
•Rear: Reverses the image so you can project from behind a 
translucent screen.
Projection 
Location
•Auto: Automatically adjusts projection location of image.
•Desktop: Select this function when the projector is  placed on the 
desk.
•Ceiling: Turns the image upside down for ceiling-mounted 
projection.
Aspect Ratio  Use this function to choose your desired aspect ratio.
•Auto: Keep the image with original width-higth ratio and maxi 
mize the image to fit native horizontal or vertical pixels.
•4:3: The image will be scaled to fit the screen and displayed using 
a 4:3 ratio.
•16:9: The  image will be scaled to fit the width of the screen and 
the height adjusted to display the image using a 16:9 ratio.
•L. Box: Keep original signal aspect ratio and zoom in by 1.333 
times.
Auto Keystone Automatically adjusts vertical image.
Keystone Adjust image distortion caused by tilting projection. (±15 degrees)
 The Manual Keystone funcion is unavailable under Auto 
Keystone setting to On.
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