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...

12
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...

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 

14
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 

15
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 

16
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...

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...

18
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...

19
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. 

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 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:...