Acer K11 User Manual

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.  Example: If the 
projector is 3 m from the screen, good image quality is possible for image sizes 
71.
¥
Note: Remind as below figure, the space of 118 cm height is 
required when located at 3m distance.
screen size
71screen size
711
AC
3m
Desired Distance
Height: 
118cm 

12
EnglishDesired
Distance (m)
Screen size
Top
(Min zoom)
Diagonal (inch)
W (cm) x H (cm) From base 
to top of 
image (cm)

0.64 15 31 x 22 25
1.2 28 59 x 41 47
2.0 47 98 x 69 79
2.457118 x 8295
2.6 60 125 x 87 101
3.0 71 147 x 103 118
3.4 80 167 x 117 134
Zoom Ratio: 1.0x 

13
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...

14
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....

15
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...

16
English
Color
Display ModeThere are many factory presets optimized for various types of 
images.
•Bright: For brightness optimization.
•Standard: For common environment.
•Video: For playing video in a bright environment.
•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...

17
English
Note: Saturation and Tint functions are not supported under computer 
mode or HDMI mode.
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.
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...

18
English
Note: H. Position, V. Position, Frequency and Tracking functions 
are not supported under DVI or Video mode.
Note: Sharpness functions is not supported under DVI and Computer 
mode. 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...

19
EnglishSetting
Management
Menu Location Choose the menu location on the display screen.
Source Lock When source lock is turned off, the projector will search for other signals if the current input signal is lost. When source lock is 
turned on, it will lock the current source channel unless you 
press Source button on the remote control for the next channel.
Closed Caption Selects a preferred closed captioning mode from CC1, CC2, CC3,  CC4, (CC1 displays captions in the primary language in your area)....

20
English
Audio
Timer
Volume•Press   to decrease the volume.
•Press   to increase the volume.
Mute
•Choose On to mute the volume. 
•Choose Off to restore the volume. 
Power On/Off Volume
•Select this function to adjust the notification volume when 
turning the projector on/off.
Alarm Volume
•Select this function to adjust the volume of any warning 
notifications.
Timer Location
•Choose the location of the timer on the screen.
Timer Start
•Press   to start or stop the timer.
Timer Period
•Press   or   to...