Acer K135 Manual

							11
EnglishTurning the Projector On/Off
Turning on the Projector
1 Ensure that the power cord and signal cable are securely connected. The 
Power indicator LED will flash red.
2 Turn on the projector by pressing Power button on the control panel, 
and the Power indicator LED will turn blue.(Illustration #1)
3 Turn on your source (computer, notebook, video player ,etc.). The 
projector will detect your source automatically.
• If the screen displays No Signal, please make sure the signal cables 
are securely connected.
• If you connect to multiple sources at the same time, use the Source 
button on either control panel or the remote control or direct source 
key on the remote control to switch between inputs.
1
Power button 
						

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English
Turning 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 stop blinking and turn solid red to indicate 
standby mode after the projector is turned off.
3 It is now safe to unplug the power cord.
Warning indicators:
• Projector Overheated. Will automatically turn off soon.
This onscreen message indicates that the projector has overheated. 
The projector will automatically shut down. Contact your local dealer 
or service center.
• Fan failed. Will automatically turn off soon.
This onscreen message indicates that the fan has failed. The projector 
will automatically shut down. Contact your local dealer or service 
center.
Note: Whenever the projector automatically shuts down, contact 
your local reseller or service center. 
						

							13
EnglishAdjusting the Projected Image
Adjusting the Height of Projected Image
The projector is equipped with tilt adjusting wheel for adjusting the height of 
image.
To raise/lower the image:
1 Use Tilt adjusting wheel to fine-tune the display angle.
Tilt adjusting wheel 
						

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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 1.34 m from the screen, good image quality is possible for image 
sizes 41.5.
Note: Remind as below figure, the space of 56 cm height is 
required when located at 1.34 m distance.
screen size
41.5screen size
41.51.5
AC
1.34m
Desired Distance
Height: 
56cm 
						

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English
Desired 
Distance (m)
Screen size
Top
(Min zoom)
Diagonal (inch)
W (cm) x H (cm) From base 
to top of 
image (cm)

0.97 30.0 64 x 40 40
1.07 33.2 71 x 45 45
1.3441.589 x 5656
1.61 49.7 107 x 67 67
2.14 66.3 143 x 89 89
2.58 80.0 172 x 108 108
Zoom Ratio: 1.0x 
						

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English
User 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 Mode
•Projection Location
•Auto Keystone settings
•Manual 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.
 
 
  
						

							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.
•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, the screen will return to the main 
menu.
•To exit OSD, press MENU on the remote control again. The OSD menu 
will close and the projector will automatically save the new settings.
Setting Main menu
Sub menu 
						

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English
Color
Display ModeThere are many factory presets optimized for various types of 
images.
•Bright: For brightness optimization.
•Standard: For common environment.
•Movie: For brighter and general movie/video/photo playing.
•Picture: For graphic picture.
•Game: For game content.
•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.
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. 
						

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English
Note: Saturation and Tint functions are not supported under computer 
mode or HDMI mode.
Advanced 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.
Dynamic BlackChoose On to automatically optimize the display of dark movie 
scenes enabling them to be shown in incredible detail. 
						

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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
•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.
•Full: Resize image to fit full screen by width (1280 pixels) and 
height (800 pixels).
•L.Box: Keep original signal aspect ratio and zoom in by 1.333 
times.
Auto Keystone Automatically adjusts vertical image.
Manual Keystone Adjust image distortion caused by tilting projection. (±40 degrees)
 The Manual Keystone function is unavailable under Auto 
Keystone setting to On.
Sharpness Adjusts the sharpness of the image.
•Press   to decrease the sharpness.
•Press   to increase the sharpness.