Acer X1140a Users Guide

11
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.
•X1140/X1140A/X1240
If the projector is 3 m from the screen, good image quality is possible for image 
sizes between 72 and 79.
Note: Remind as below figure, the space of 126 cm height is 
required when the projector is located at 3 m distance.
Desired
Distance 
(m)
< A >Minimum Screen Size (Min zoom) Maximum Screen...

12
English
•X1340W
If the projector is 3 m from the screen, good image quality is possible for image 
sizes between 84 and 93.
Note: Remind as below figure, the space of 142 cm height is 
required when the projector is located at 3 m distance.
Desired
Distance 
(m)
< A >Minimum Screen Size (Min zoom) Maximum Screen Size (Max zoom)
Diagonal 
(inch)
< B >W (cm) x H (cm)From base to 
top of image 
(cm)
< C >Diagonal 
(inch)
< B >W (cm) x H (cm)From base to 
top of image 
(cm) 
< C >
1 28 61 x 38 43 31 67 x...

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.
•X1140/X1140A/X1240
To obtain an image size of 70, set the projector at a distance between 2.6 m 
and 2.9 m from the screen and adjust the zoom level accordingly.
Desired Image Size Distance (m) Top (cm)
Diagonal (inch)
< A >W (cm) x H (cm)Max zoom
< B >Min zoom
< C >From base to top of 
image < D >
30 61 x 46 1.2 48
40...

14
English
•X1340W
To obtain an image size of 70 set the projector at a distance between 2.3 m 
and 2.5 m from the screen and adjust the zoom level accordingly.
Desired Image Size Distance (m) Top (cm)
Diagonal (inch)
< A >W (cm) x H (cm)Max zoom
< B >Min zoom
< C >From base to top of 
image < D >
30 65 x 40 1.1 46
40 86 x 54 1.3 1.4 61
50 108 x 67 1.6 1.8 76
60 129 x 81 1.9 2.1 91
70151 x 942.32.5107
80 172 x 108 2.6 2.8 122
90 194 x 121 2.9 3.2 137
100 215 x 135 3.2 3.6 152
120 258 x 162 3.9 4.3 183...

15
EnglishUser Controls
Installation Menu
The Installation menu provides an onscreen display (OSD) for projector 
installation and ma intenance. Use the OSD only when the message No 
signal is displayed on the screen. 
1 Turn on the projector by pressing   (POWER) on the control panel or  remote control.
2 Press MENU on the control panel  or remote control to launch the 
OSD for projector install ation and maintenance.
3 The background pattern acts as a guide to adjusting the calibration  and alignment...

16
English
Acer Empowering Technology
Empowering KeyAcer Empowering Key provides four 
Acer unique functions: Acer eView 
Management, Acer eTimer 
Management, Acer ePower 
Management and Acer e3D 
Management. Press   repeatly to 
cycle through these functions.
Acer eView ManagementPress   to launch Acer eView 
Management.
Acer eView Management is for 
display mode selection. Please refer to 
the Onscreen Display (OSD) Menus 
section for more details.
Acer eTimer ManagementPress   to launch Acer eTimer...

17
EnglishOnscreen Display (OSD) Menus
The projector has multilingual Onscreen Display (OSD) menus 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 control panel or remote 
control.
•When the OSD is displayed, use   to select an item in the main menu. 
After selecting the desired main menu item, press   to enter a submenu 
for feature setting.
•Use   to select the desired item and adjust the settings by using 
....

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.
•Video: For playing video in a bright environment.
•Picture: For graphic picture.
•Game: For game content.
•Education: For education environment.
•User: Memorize user’s settings.
Wall ColorUse this function to choose a proper color according to the 
wall. There are...

19
English
Note: Saturation and Tint functions are not supported under computer 
mode.
Saturation Adjusts a video image from black and white to fully 
saturated colors.•Press   to decrease the 
amount of color in the 
image.
•Press   to increase the amount of color in the 
image.
Tint Adjusts 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.
Color 
Temperature Adjusts the color temperature. At higher color...

20
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
• Ceiling: Turns the image upside down for ceiling-
mounted projection.
Aspect RatioUse this function to choose your desired aspect ratio.
•Auto: Keeps the image with original width-height ratio 
and maximizes the image to fit native horizontal or 
vertical...