Acer K135 Manual

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English
Note: H. Position, V. Position, Frequency and Tracking functions 
are not supported under HDMI, DVI or Video mode.
Note: Sharpness functions is not supported under HDMI (RGB) or 
Computer mode.
Note: HDMI Color Range and HDMI Scan Info functions are only 
supported under HDMI mode. H. Position
•Press   to move the image left.
•Press   to move the image right.
V. Position
•Press   to move the image down.
•Press   to move the image up.
Frequency Frequency changes the projectors refresh rate to match the 
frequency of your computer’s graphics card. If you can see a vertical 
flickering bar in the projected image, use this function to make the 
necessary adjustments.
Tracking Synchronizes the signal timing of the projector with the graphics card. 
If you experience an unstable or flickering image, use this function to 
correct it.
HDMI Color Range Adjust 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.
HDMI Scan Info Adjust the overscan ratio of the HDMI image on screen.
•Auto: Automatically adjust by information from player.
•Underscan: Always no overscan on HDMI image.
•Overscan: Always keep overscan on HDMI image. 
						

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Setting
Management
Menu Location Choose the menu location on the display screen.
Reset
Press the   button and choose Yes to return the parameters 
on all menus to the factory default settings.
ECO Mode Choose On to dim the projector lamp which will lower power 
consumption, extend the lamp life and reduce noise. Choose Off 
to return normal mode.
High Altitude Choose On to turn on High Altitude mode. Operate the fans at 
full speed continuously to allow for proper high altitude cooling of 
the projector.
Turn Off Mode
•Instant Off: Shuts down the projector without fan cooling.
•Instant Resume: Resumes the system when the Power button 
is pressed again within 2 minutes.
Auto Shutdown The projector will automatically shutdown when there is no signal 
input after the allocated time. (default is 120 minutes)
LED Calibration
Press   after choosing Yes, please wait for 10 seconds to finish 
the white color fine tune process. It helps to adjust LED color 
performance. 
						

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EnglishAudio
3D
Volume•Press   to decrease the volume.
•Press   to increase the volume.
Mute
•Choose On to mute the volume. 
•Choose Off to restore the volume. 
Alarm Volume
•Select this function to adjust the volume of any warning 
notifications.
Audio Out
•Choose Speaker to play sound through the projectors 
speaker.(internal)
•Choose Audio Jack to play sound from your headphone 
or audio amplifier. (external)
3D Choose On to enable DLP 3D function.
•On: Choose this item while using DLP 3D glasses, quad 
buffer (NVIDIA/ATI...) graphic card and HQFS format file or 
DVD with corresponding SW player.
•Off: Turn off 3D mode.
3D Sync Invert If you see a discrete or overlapping image while wearing DLP 3D 
glasses, you may need to execute Invert to get best match of 
left/right image sequence to get the correct image (for DLP 3D). 
						

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Note: It needs correct settings on graphic card 3D application program for 
correct 3D display.
Note: The SW players, such as Stereoscopic Player and DDD TriDef Media 
Player can support 3D format files. You can download these three players 
on web page below,
- Stereoscopic Player (Trial): http://www.3dtv.at/Downloads/Index_en.aspx
- DDD TriDef Media Player (Trial): 
http://www.tridef.com/download/TriDef-3-D-Experience-4.0.2.html
Note: 3D Sync Invert is only available when 3D is enabled.
Note: There has reminder screen if 3D still enable when power on projector. 
Please adjust setting depended on your purpose.
Language
3D Warning Message Choose On to display the 3D warning message.
Language
Choose the multilingual OSD menu. Use the   or   key to 
select your preferred menu language.
•Press   to confirm the selection. 
						

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EnglishAppendices
Troubleshooting
If you experience a problem with your Acer projector, refer to the following 
troubleshooting guide. If the problem persists, please contact your local reseller 
or service center.
Image Problems and Solutions
# Problem Solution
1 No image appears 
onscreen•Connected as described in the Getting Started 
section.
•Ensure none of the connector pins are bent or 
broken.
•Make sure the projector is switched on.
2 Partial, scrolling 
or incorrectly 
displayed image 
(For PC (Windows 
95/98/2000/XP/
Vista/Win7/Win 
8))
•For an incorrectly displayed image:•Open My Computer, open the Control 
Panel, and then double-click the Display 
icon.
•Select the Settings tab.•Verify that your display resolution setting is 
lower than or equal to 1080P-EIA.
•Click the Advanced Properties button.
If the problem still appears, change the monitor display 
you are using and follow the steps below:
•Verify that the resolution setting is lower than 
or equal to 1080P-EIA.
•Click the Change button under the 
Monitor tab.
•Click Show all devices. Next, select Standard 
monitor types under the SP box, and choose 
the resolution mode you need under the 
Models box.
•Verify that the resolution setting of the 
monitor display is lower than or equal to 
1080P-EIA. 
						

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3 Partial, scrolling 
or incorrectly 
displayed image 
(for notebooks)•For an incorrectly displayed image:•Follow the steps for item 2 (above) to adjust 
the resolution of your computer.
•Press the toggle output settings. Example: 
[Fn]+[F4], Compaq [Fn]+[F4], Dell [Fn]+[F8], 
Gateway [Fn]+[F4], IBM [Fn]+[F7], HP [Fn]+[F4], 
NEC [Fn]+[F3], Toshiba [Fn]+[F5]
•If you experience difficulty changing resolutions or 
your monitor freezes, restart all equipment 
including the projector.
4 The screen of the 
notebook 
computer is not 
displaying your 
presentation
•If you are using a Microsoft® Windows® based 
notebook: Some notebook PCs may deactivate their 
own screens when a second display device is in use. 
Each has a different way to be reactivated. Refer to 
your computers manual for detailed information.
•If you are using an Apple® Mac® OS based 
notebook: In System Preferences, open Display and 
select Video Mirroring On.
5 Image is unstable 
or flickering
•Adjust the Tracking to correct it. Refer to the 
Image section for more information.
•Change the display color depth settings on your 
computer.
6 Image has vertical 
flickering bar
•Use Frequency to make an adjustment. Refer to 
the Image section for more information.
•Check and reconfigure the display mode of your 
graphics card to make it compatible with the 
projector.
7 Image is out of 
focus
•Adjusts the focus ring on the projector lens.
•Make sure the projection screen is within the 
required distance of 3.18-8.46 feet (0.97-2.58 meters) 
from the projector. Refer to the How to Get a 
Preferred Image Size by Adjusting Distance and 
Zoom section for more information.
8 Image is stretched 
when displaying a 
widescreen 
DVD titleWhen you play a DVD encoded in anamorphic or 16:9 
aspect ratio you may need to adjust the following 
settings:
•If you play a 4:3 format DVD title, please change the 
format to 4:3 in the projector OSD.
•If the image is still stretched, you will also need to 
adjust the aspect ratio. Set up the display format to 
16:9 (wide) aspect ratio on your DVD player.
•If you play an Letterbox(LBX) format DVD title, 
please change the format to Letterbox(LBX) in the 
projector OSD. 
						

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Problems with the Projector
9 Image is too small 
or too large•Adjust the zoom ring on the top of the projector.
•Move the projector closer to or further from the 
screen.
•Press MENU on the remote control or on the 
control panel. Go to Image --> Aspect Ratio and 
try different settings.
10 Image has slanted 
sides
•If possible, reposition the projector so that it is 
centered on the screen.
•Press the Keystone on the OSD until the sides are 
vertical.
11 Image is reversed
•Select Image --> Projection Mode on the OSD and 
adjust the projection direction.
# Condition Solution
1 The projector stops responding 
to all controlsIf possible, turn off the projector, then 
unplug the power cord and wait at least 30 
seconds before reconnecting power. 
						

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OSD Messages
# Condition Message Reminder
1 Message Fan Fail - the system fan is not working.
Projector Overheated - the projector has exceeded its 
recommended operating temperature and must be allowed to 
cool down before it may be used. 
						

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EnglishLED & Alarm Definition Listing
LED Messages
Note: When power on, click any key, Menu/Up/Down/Left/Right 
key LED will all be trigger.
MessageMenu Lamp
(UP/Down 
LED)Temp
(Left/Right 
LED)Power LED Power LED 
BLUE BLUE BLUE RED BLUE
Input Power Plug --- Flash On 
to OFF 
100msFlash On 
to OFF 
100msFlash On 
to OFF 
100ms---
Standy by --- --- --- ON ---
Power buttom on ON 1sec 
then offON 1sec 
then offON 1sec 
then off--- ON
Lamp retry --- --- --- --- Quick 
Flashing 
Power button 
OFF; Standby 
Mode)--- --- --- ON ---
Error (Thermal 
fail)--- --- ON --- ON
Error (Fan Lock) --- --- Quick 
Flashing--- ON
Error (Lamp 
Break down)--- ON --- --- ON 
						

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Specifications
The specifications listed below are subject to change without notice. For final 
specs, please refer to Acers published marketing specifications.
Projection system
DLP®
Resolution WXGA (1280 x 800)
Computer compatibility IBM PC and compatibles, Apple Macintosh, iMac and 
VESA standards: SXGA, XGA, SVGA, VGA, WXGA
Aspect ratio Full, 4:3, 16:9, L.Box
Displayable colors 16.7 million colors
Projection lens YM101, fixed lens, F/2.0
Projection screen size (diagonal) 30 (0.76 m) - 80 (2.03 m)
Projection distance 3.18 (0.97 m) - 8.46 (2.58 m)
Throw ratio 40 @ 1.292 m (1.5:1)
Horizontal scan rate 30 k - 100 kHz
Vertical refresh scan rate 50 - 120 Hz
Keystone correction +/- 40 degrees
Weight K135/K135P/K135S/L221/LK-W12: 0.43 Kg (0.95 Ibs)
K132/L221F/LK-W12L: 0.415 Kg (0.92 Ibs)
Dimensions (W x D x H) 140 mm x 116 mm x 41 mm (5.51 x 4.57 x 1.61)
Power supply AC 100 – 240 V, 50-60 Hz
Power consumption Normal mode: 55 W +/- 20% @ 110 Vac (Bright mode 
@ full power)
ECO mode: 45 W +/-20% @ 110 Vac (Movie mode @ 
eco power)
Standby < 0.5 W
Operating temperature 5 ºC to 40 ºC / 41 ºF to 104 ºF
I/O connectors
•DC input x1
•Micro SD x1 (for K135/K135P/K135S/L221/
LK-W12 only)
•USB x1: for multimedia (for K135/K135P/K135S/
L221/LK-W12 only)
•Mini USB x1 (for K132/L221F/LK-W12L only)
•HDMI (MHL) x1
•Universal input x1