Acer K138ST series, L224 series, LK-W16 series User Guide

Acer Projector

K138ST/L224/LK-W16 Series

User's Guide

Copyright © 2015. Acer Incorporated.
All Rights Reserved.

Acer Projector User's Guide
Original Issue: 03/2015

Changes may be made periodically to the information in this publication without obligation
to notify any person of such revisions or changes. Such changes will be incorporated in new
editions of this manual or supplementary documents and publications. This company makes
no representations or warranties, either expressed or implied, with respect to the contents
hereof and specifically disclaims the implied warranties of merchantability or fitness for a
particular purpose.

Record the model number, serial number, purchase date and place of purchase information in
the space provided below. The serial number and model number are recorded on the label
affixed to your projector. All correspondence concerning your unit should include the serial
number, model number and purchase information.

No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in
any form or by any means, electronically, mechanically, by photocopy, recording or otherwise,
without the prior written permission of Acer Incorporated.

Model number: _________________________________

Serial number: __________________________________

Date of purchase: _______________________________

Place of purchase: ______________________________

Acer and the Acer logo are registered trademarks of Acer Incorporated. Other companies' product
names or trademarks are used herein for identification purposes only and belong to their respective
companies.

"HDMI™, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered
trademarks of HDMI Licensing LLC."

For DTS patents, see http://patents.dts.com.

Manufactured under license from DTS Licensing Limited. DTS, the Symbol, & DTS and the Symbol
together are registered trademarks, and DTS Sound is a trademark of DTS, Inc. © DTS, Inc. All Rights
Reserved.

Information for your safety and comfort

Read these instructions carefully. Keep this document for future reference.
Follow all warnings and instructions marked on the product.

Turning the product off before cleaning

Unplug this product from the wall outlet before cleaning. Do not use liquid
cleaners or aerosol cleaners. Use a damp cloth for cleaning.

Caution for plug as disconnecting device

Observe the following guidelines when connecting and disconnecting power to
the external power supply unit:

• Install the power supply unit before connecting the power cord to the AC

power outlet.

• Unplug the power cord before removing the power supply unit from the

projector.

• If the system has multiple sources of power, disconnect power from the

system by unplugging all power cords from the power supplies.

Caution for Accessibility

Be sure that the power outlet you plug the power cord into is easily accessible
and located as close to the equipment operator as possible. When you need to
disconnect power to the equipment, be sure to unplug the power cord from the
electrical outlet.

iii

Warnings!

• Do not use this product near water.

• Do not place this product on an unstable cart, stand or table. If the product

falls, it could be seriously damaged.

• Slots and openings are provided for ventilation to ensure reliable

operation of the product and to protect it from overheating. These
openings must not be blocked or covered. The openings should never be
blocked by placing the product on a bed, sofa, rug or other similar surface.

This product should never be placed near or over a radiator or heat register, or
in a built-in installation unless proper ventilation is provided.

• Never push objects of any kind into this product through cabinet slots as

they may touch dangerous voltage points or short-out parts that could
result in a fire or electric shock. Never spill liquid of any kind onto or into
the product.

iv

• To avoid damage of internal components and to prevent battery leakage,

do not place the product on a vibrating surface.

• Never use it under sporting, exercising, or any vibrating environment

which will probably cause unexpected short current or damage rotor
devices.

Using electrical power

• This product should be operated from the type of power indicated on the

marking label. If you are not sure of the type of power available, consult
your dealer or local power company.

• Do not allow anything to rest on the power cord. Do not locate this

product where people will walk on the cord.

• If an extension cord is used with this product, make sure that the total

ampere rating of the equipment plugged into the extension cord does not
exceed the extension cord ampere rating. Also, make sure that the total
rating of all products plugged into the wall outlet does not exceed the fuse
rating.

• Do not overload a power outlet, strip or receptacle by plugging in too

many devices. The overall system load must not exceed 80% of the branch
circuit rating. If power strips are used, the load should not exceed 80% of
the power strip's input rating.

• This product's AC adapter is equipped with a three-wire grounded plug.

The plug only fits in a grounded power outlet. Make sure the power outlet
is properly grounded before inserting the AC adapter plug. Do not insert
the plug into a non-grounded power outlet. Contact your electrician for
details.

Warning! The grounding pin is a safety feature. Using a power outlet that is
not properly grounded may result in electric shock and/or injury.

Note: The grounding pin also provides good protection from unexpected
noise produced by other nearby electrical devices that may interfere with
the performance of this product.

• Use the product only with the supplied power supply cord set. If you need

to replace the power cord set, make sure that the new power cord meets
the following requirements: detachable type, UL listed/CSA certified, VDE
approved or its equivalent, 4.5 meters (15 feet) maximum length.

Product servicing

Do not attempt to service this product yourself, as opening or removing covers
may expose you to dangerous voltage points or other risks. Refer all servicing to
qualified service personnel.

Unplug this product from the wall outlet and refer servicing to qualified service
personnel when:

• the power cord or plug is damaged, cut or frayed

• liquid was spilled into the product

• the product was exposed to rain or water

• the product has been dropped or the case has been damaged

• the product exhibits a distinct change in performance, indicating a need

for service

• the product does not operate normally after following the operating

instructions

Note: Adjust only those controls that are covered by the operating
instructions, since improper adjustment of other controls may result in
damage and will often require extensive work by a qualified technician to
restore the product to normal condition.

Warning! For safety reasons, do not use non-compliant parts when adding
or changing components. Consult your reseller for purchase options.

v

Your device and its enhancements may contain small parts. Keep them out of
the reach of small children.

Additional safety information

• Do not look into the projector's lens when the light is on. The bright may

hurt your eyes.

• Turn on the projector first and then signal sources

• Do not place the product in following environments:

• Space that is poorly ventilated or confined. At least 50cm clearance from walls
and free flow of air around the projector is necessary.

• Locations where temperatures may become excessively high, such as inside of a
car with all windows rolled up.

• Locations where excessive humidity, dust, or cigarette smoke may contaminate
optical components, shortening the life span and darkening the image.

• Locations near fire alarms.

• Locations with an ambient temperature above 40 ºC/104 ºF.

• Locations where the altitudes are higher than 10000 feet.

• Unplug immediately if there is something wrong with your projector. Do

not operate if smoke, strange noise or odor comes out of your projector. It

vi

might cause fire or electric shock. In this case, unplug immediately and
contact your dealer.

• Do not keep using this product to break or drop it. In this case contact your

dealer for inspection.

• Do not face the projector lens to the sun. It can lead to fire.

• When switching the projector off, suggest to ensure the projector

completes its cooling cycle before disconnecting power.

• Do not frequently turn off the main power abruptly or unplug the

projector during operation. The best way is to wait for the fan to turn off
before turning main power off.

• Do not touch air outlet grille and bottom plate which becomes hot.

• Clean the air filter frequently if have. The temperature inside may rise and

cause damage when the filter/ventilation slots clogged with dirt or dust.

• Do not look into the air outlet grille when projector is operating. It may

hurt your eyes.

• Always open the lens shutter or remove the lens cap when the projector is

on.

• Do not block the projector lens with any object when the projector is

under operation as this could cause the object to become heated and
deformed or even cause a fire.

• Do not attempt to disassemble this projector. There are dangerous high

voltages inside which may hurt you. Refer servicing only to suitable
qualified professional service personnel.

• Do not stand the projector on end vertically. It may cause the projector to

fall over, causing injury or damage.

Caution for Listening

To protect your hearing, follow these instructions.

• Increase the volume gradually until you can hear clearly and comfortably.

• Do not increase the volume level after your ears have adjusted.

• Do not listen to music at high volumes for extended periods.

• Do not increase the volume to block out noisy surroundings.

• Decrease the volume if you can't hear people speaking near you.

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Disposal instructions

Do not throw this electronic device into the trash when discarding. To minimize
pollution and ensure utmost protection of the global environment, please
recycle. For more information on the Waste from Electrical and Electronics
Equipment (WEEE) regulations, visit
http://www.acer-group.com/public/Sustainability/sustainability01.htm

viii

First things first

Usage Notes

Do:

• Turn off the product before cleaning.

• Use a soft cloth moistened with mild detergent to clean the display

housing.

• Disconnect the power plug from AC outlet if the product is not being used

for a long period of time.

Don't:

• Block the slots and openings on the unit provided for ventilation.

• Use abrasive cleaners, waxes or solvents to clean the unit.

• Use under the following conditions:

• In extremely hot, cold or humid environments.

• In areas susceptible to excessive dust and dirt.

• Near any appliance that generates a strong magnetic field.

• Place In direct sunlight.

Precautions

Follow all warnings, precautions and maintenance as recommended in this
user's guide to maximize the life of your unit.

Warning:

• Do not look into the projector's lens when the light is on. The bright may hurt your

eyes.

• To reduce the risk of fire or electric shock, do not expose this product to rain or

moisture.

• Please do not open or disassemble the product as this may cause electric shock.

• When switching the projector off, please ensure the projector completes its cooling

cycle before disconnecting power.

• Turn on the projector first and then the signal sources.

• Do not use lens cap when projector is in operation.

Information for your safety and comfort iii

First things first viii

Usage Notes viii

Precautions viii

Introduction 1

Product Features 1

Package Overview 2

Projector Overview 3

Projector Outlook 3

Control Panel 4

Remote Control Layout 5

MHL (Mobile High-Definition Link) Control 7

Getting Started 8

Connecting the Projector 8

Turning the Projector On/Off 9

Turning on the Projector 9

Turning the projector off 10

Adjusting the Projected Image 11

Adjusting the Height of Projected Image 11

How to optimize image size and distance 12

User Controls 13

Installation menu 13

Onscreen Display (OSD) Menus 14

Color 15

Image 16

Setting 17

Management 18

Audio 18

3D 19

Language 19

Appendices 20

Troubleshooting 20

Contents

LED & Alarm Definition Listing 24

Specifications 25

Compatibility modes 26

Regulations and safety notices 30

English

Introduction

Product Features

This product is a single-chip DLP® projector. Outstanding features include:

1

• DLP

• 1280 x 800 WXGA resolution

• Versatile display modes (Bright, Standard, Movie, Picture, Game, User)

• Compact size projector facilitates business purposes and home

• Acer EcoProjeciton Technology delivers Intelligent power management

• Equipped with HDMI™ connection supporting HDCP.

• Advanced digital keystone correction delivers optimum presentations.

• Multi-language on screen display (OSD) menus.

• 1.7x digital zoom and pan move function.

• Environmental light source and longer life by LED solution.

• Microsoft

• Support MHL V2.0 signal display.

• Support LumiSense

• Support BT audio speaker.

• Built-in two 3 Watts speaker with dts™ feature.

®

technology

4:3/16:9/Full/L.Box aspect ratio supported.

enable optimum performance in any situation.

entertainment.

approach and physical efficiency improvement.

®

OS compliant.

Windows® XP, Vista®, Windows® 7, Windows® 8, Macintosh®

+

.

2

English

DC 5V IN

MHL HDMI

Package Overview

This projector comes with all the items shown below. Check to make sure your
unit is complete. Contact your dealer immediately if any thing is missing.

Projector Power cord AC to DC power adapter

XXXXXX

3V

Remote control Battery User's guide

Quick start guide Carrying case VGA cable

WirelessAndroid-Kit

MHL cable (option) HDMI cable (option) WirelessHD-Kit

(option)

(option)

WirelessCAST

(option)

English

Projector Overview

4

2

1

3

5

6

6

DC 5V OUT

VGA IN

1

32 4 5 7 86

Projector Outlook

Front / upper side

# Description # Description

1

Projection lens

2

Tilt adjusting wheel

3

Focus ring

Rear side

4

Control panel

5

Power button

6

Speakers

3

# Description # Description

1 Remote control receiver 5 HDMI/ MHL connector

2

Kensington

PC analog signal/HDTV/component

3

video input connector (VGA, VGA IN,
VGA IN 1, VGA IN 2)

4 Audio input connector 8 DC Input

TM

lock port

6 Audio out connector

7 5V DC output connector

4

English

9

1
2

3

4 4

8

7

7

10

11

6

5

12

Control Panel

# Icon Function Description
1 TEMP Temp Indicator LED
2 LAMP Lamp Indicator LED
3 POWER See the contents in "Turning the Projector

4 Volume Increases/decreases the volume.

On/Off" section.

5MENU • Press "MENU" to launch the Onscreen

6MODE

7 Keystone Adjusts the image to compensate for

8 SOURCE Changes the active source.
9 Four directional select

keys

10 RESYNC Automatically synchronizes the projector

11 Ambient light sensor
12 Display Key Long press DOWN key will pop up a screen

display (OSD) menu, back to the
previous step for the OSD menu
operation or exit the OSD menu.

• Confirm your selection of items.

Press "MODE" to select the display mode
from Bright, Standard, Movie, Picture,
Game and User.

distortion caused by tilting the projector.
(±20 degrees)

Use to select items or make
adjustments to your selection.

to the input source.

to ask if end user needs to do screen off.

English

Remote Control Layout

10

11

6

12

7

8

3

2

1

5

4

9

13

14

9

# Icon Function Description

1 Infrared

transmitter

2 POWER Refer to the "Turning the Projector On/Off" section.

Sends signals to the projector.

5

3 SOURCE Changes the active source.

4 MENU • Press "MENU" to launch the Onscreen display (OSD)

menu, back to the previous step for the OSD menu
operation or exit the OSD menu.

• Confirm your selection of items.

5 Four

directional

Use up, down, left, right buttons to select items or make
adjustments to your selection.

select keys

6

FREEZE

7 HIDE Momentarily turns off the video. Press "HIDE" to hide the

8 3D Press "3D" to select 3D models.

9 KEYSTONE Adjusts the image to compensate for distortion caused by

To pause the screen image.

image, press again to display the image.

tilting the projector.

10 RATIO To choose the desired aspect ratio.

11 MODE Press "MODE" to select the display mode from Bright,

12 ZOOM Zooms the projector display in or out.

13 Volume UP Increases the volume.

Standard, Movie, Picture, Game and User.

6

English

# Icon Function Description

14 Volume Down Decreases the volume.

Note: Functions vary depending on model definition.
Note: Before using the remote control for the first time, remove
the transparent insulation tape in the bottom of remote control.

English

1

7

8

4

5 6

3

2

MHL Control Mode

Next Mode

Exit MHL Control

Navigation

MHL Control Mode

Next Mode

Exit MHL Control

Multi-Media

MHL (Mobile High-Definition Link) Control

# Icon Component Description

1 SOURCE Press the "SOURCE" button to toggle between Navigation

2 MENU Press to launch the root memu.

3 Four

directional
select keys

4MODE• Press "MODE" button for one second to activate the

5  Volume Down Decreases the volume. (only for Multi-Media mode)

6  Volume UP Increases the volume. (only for Multi-Media mode)

7 Volume UP Increases the volume. (only for Navigation mode)

8 Volume Down Decreases the volume. (only for Navigation mode)

Note: Functions vary depending on model definition.

or Multi-Media mode.

(only for Navigation mode)

Use up, down, left, right buttons to select items or make
adjustments to your selection.
(only for Navigation mode)

MHL Control Mode.

• To exit, press the "MODE" button again.

7

8

English

DC 5V OUT

VGA IN

R

W

8

D-Sub

D-Sub

5

HDMI

7

USB

MHL

HDMI

HDMI

6

1

2

4

iPod/iPhone/iPad

USB

3

DVD player

iPod/iPhone/iPad battery charging

Getting Started

Connecting the Projector

# Description # Description

1 AC to DC power adapter 5 VGA cable

2 Power cord 6 HDMI cable

3 USB cable for charging device 7 MHL Cable (MicroUSB to HDMI)

4 Audio cable Jack/Jack 8 Audio cable Jack/RCA

Note: To ensure the projector works well with your computer,
please make sure the timing of the display mode is compatible
with the projector.
Note: USB cable needs powered extender if the length is over 5 m.

English

Turning the Projector On/Off

Power button

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 or

the remote control, 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

9

10

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.

English

Adjusting the Projected Image

Tilt adjusting wheel

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:

• Use Tilt adjusting wheel to fine-tune the display angle.

11

12

English

87.1"

87.1"

A

C

Height:
117 cm

1.50 m
Desired Distance

S

c

r

e

e

n

s

i

z

e

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 1.50 m from the screen, good image quality is possible for image
sizes 87.1".

Note: Remind as below figure, the space of 117 cm height is
required when located at 1.50 m distance.

Screen size

Desired

Distance (m)

<A>

0.43 25.0 54 x 34 34

0.86 49.9 108 x 67 67

1.00 58.0 125 x 78 78

1.14 66.2 143 x 89 89

1.28 74.3 160 x 100 100

1.42 82.4 178 x 111 111

1.50 87.1 188 x 117 117

1.72 99.8 215 x 134 134

Zoom Ratio: 1.0x

Diagonal (inch)

<B>

(Min zoom)

W (cm) x H (cm)

Top

From base to top of

image (cm)

<C>

13

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.

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 Press the "MENU" anytime to exit the menu and return to the Acer

welcome screen.

Note: The OSD screenshot is for reference only and may differ from the
actual design.

14

English

Setting

Main menu

Sub menu

Onscreen 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.

Note: Some of the following OSD settings may not be available. Please refer
to the actual OSD of your projector.

English

Color

15

LumiSense

Display Mode

Wall color

Brightness

Contrast

Saturation

Tint

+

The light sensor of LumiSense+ technology can intelligently
optimizes the brightness and color saturation of projected image
based on actual ambient light. The feature greatly enhances dark
detail visibility and color saturation.

• Off: For normal mode. (ambient light sensor is off)

• Auto Bright: Light sensor is on to automatically detect

ambient light and optimize the brightness and color
saturation of projected image.

• Dynamic Black:automatically optimize the display of dark

movie scenes enabling them to be shown in incredible detail.

<Note> Dynamic Black shows up while in Movie mode.

There 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.

Use 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.

Adjust the brightness of the image.

• Press to darken image.

• Press to lighten the image.

"Contrast" 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.

Adjust 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.

Adjust 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.

16

English

Advanced Color Temperature

Use this function to choose CT1, CT2, CT3.

Degamma

Effects the representation of dark scenery. With greater gamma
value, dark scenery will look brighter.

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

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

Auto Keystone Automatically adjusts vertical image.

Manual Keystone Adjust image distortion caused by tilting projection. (±20 degrees)

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.

<Note> The Manual Keystone function is unavailable under Auto
Keystone setting to "On".

Sharpness Adjust the sharpness of the image.

• Press to decrease the sharpness.

• Press to increase the sharpness.

17

English

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 projector's refresh rate to match the

Tracking Synchronizes the signal timing of the projector with the graphics card.

HDMI Color Range Adjust the color range of the HDMI image data to correct color display

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.

If you experience an unstable or flickering image, use this function to
correct it.

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.

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.

Setting

DC 5V Out (Standby) Default is "Off". Choose "On" to enable DC 5V OUT connection.

Reset

Press the button and choose "Yes" to return the parameters
on all menus to the factory default settings.

18

English

Management

ECO Mode Choose "On" to dim the projector LED brightness which will lower

High Altitude Choose "On" to turn on High Altitude mode. Operate the fans at

Turn Off Mode

power consumption, extend the LED life and reduce noise. Choose
"Off" to return normal mode.

full speed continuously to allow for proper high altitude cooling of
the projector.

• 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

AC Power On Choose "On" to power on projector while AC power plug in.

LED Calibration

input after the allocated time. (default is 120 minutes)

Press after choosing "Yes", please wait for 10 seconds to finish
the white color fine tune process. It helps to adjust LED color

performance.

Audio

Volume

Volume Boost Choose "On" to increase volume for low volume content.

BT Speaker Adjust Bluetooth Headset Speaker. Show "Connected" or "Not-

DTS Sound

Treble Adjust tones of high frequency.

Bass Adjust tones of low frequency.

Mute

Alarm Volume Select this function to adjust the volume of any warning

• Press to decrease the volume.

• Press to increase the volume.

Connected" and Press , to enter pop-up menu.

• Bluetooth: Turn on/off the Bluetooth.

• Device Search: This function to list BT speakers (which is in

paring mode and with A2DP service) and connect manually

by user.
<Note> Internal speaker off while BT speaker connection is
connected successfully.

DTS Sound
post processing techniques to expand the sound image, enhance
bass, improve definition and add natural surround effects.

™ is a sound enrichment suite that includes several

• Choose "On" to enable DTS Sound.

• Choose "Off" to disable DTS Sound.

• Choose "On" to mute the volume.

• Choose "Off" to restore the volume.

notifications.

English

3D

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 L/R Invert If you see a discrete or overlapping image while wearing DLP 3D

3D Warning Message Choose "On" to display the 3D warning message.

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 L/R 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.

glasses, you may need to execute "Invert" to get best match of
left/right image sequence to get the correct image (for DLP 3D).

19

Language

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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English

Appendices

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

2 Partial, scrolling

or incorrectly
displayed image
(For PC (Windows
95/98/2000/XP/
Vista/Win7/Win

8))

• 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.

• 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)

4 The screen of the

notebook
computer is not
displaying your
presentation

5 Image is unstable

or flickering

6 Image has vertical

flickering bar

7 Image is out of

focus

• 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.

• If you are using a Microsoft

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 computer's manual for detailed information.

• If you are using an Apple

notebook: In System Preferences, open Display and
select Video Mirroring "On".

®

Windows® based

®

Mac® OS based

• Adjust the "Tracking" to correct it. Refer to the

"Image" section for more information.

• Change the display color depth settings on your

computer.

• 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.

• Adjust the focus ring on the projector lens.

• Make sure the projection screen is within the

required distance of 1.4~5.7 feet (0.4~1.7 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 title

When 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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English

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.

Problems with the Projector

# Condition Solution

1 The projector stops responding

to all controls

If possible, turn off the projector, then
unplug the power cord and wait at least 30
seconds before reconnecting power.

English

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.

23

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English

LED & Alarm Definition Listing

LED Messages

Message

Standy by ON --- --- ---

Power on --- ON --- ---

Over Heat --- ON --- ON

Fan Fail --- ON --- Flash (2s interval)

LED Fail --- ON ON ---

Note: When power on, click any key, Menu/Up/Down/Left/Right
key LED will all be trigger.

POWER LED LAMP TEMP

Red Blue Red Red

English

Specifications

The specifications listed below are subject to change without notice. For final
specs, please refer to Acer's published marketing specifications.

25

Projection system

Resolution WXGA (1280 x 800)

Computer compatibility IBM PC and compatibles, Apple Macintosh, iMac and

Aspect ratio Full, 4:3, 16:9, L.Box

Displayable colors 16.7 million colors

Projection lens F = 1.9, f = 8.02 mm , 1:1.0 manual zoom and manual

Projection screen size (diagonal) 25" (63cm) ~ 100" (254cm)

Projection distance 1.4' (0.4m) ~ 5.7' (1.7m)

Throw ratio 100"@1.72m (0.80 ~ 0.80:1)

Horizontal scan rate 30 k - 100 kHz

Vertical refresh scan rate 50 - 120 Hz

Keystone correction +/- 20 degrees

Audio Internal speaker with 3W x 2 output

Bluetooth Headset Audio Completely backward-compatible with BT1.1, 1.2, 2.0,

Weight 0.95kg (2.0 lbs)

Dimensions (W x D x H) 240 mm x 147 mm x 59 mm (9.45" x 5.79" x 2.32")

Power supply 100V~240V AC to DC 19V 4.74A Adapter, 50-60 Hz

Power consumption Normal mode: 80 W +/- 10 % @ 110Vac (Bright mode

Operating temperature 5 ºC to 40 ºC / 41 ºF to 104 ºF

I/O connectors

®

DLP

VESA standards: SXGA, XGA, SVGA, VGA, WXGA

focus

2.1 systems

@ full power)
ECO mode: 38W +/-10 % @ 110Vac (Movie mode @

eco power)
Standby < 0.5 W

• DC input x1

• USB x 1

• Audio In x1

• HDMI (MHL) x1

• VGA IN x1

• Audio Out x1

Standard package contents

• Power cord x1

• AC to DC power adapter

• VGA cable x1

• Remote control x1

• Battery x1 (for remote control) (option)

• User's guide (CD-ROM) x1

• Quick start guide x1

• Carrying case x1

* Design and specifications are subject to change without notice.

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English

Compatibility modes

A. VGA Analog

1 VGA Analog - PC Signal

Modes Resolution V.Frequency [Hz] H.Frequency [KHz]

VGA 640x480 60 31.5

640x480 75 37.5

SVGA 800x600 56 35.1

800x600 60 37.9
800x600 75 46.9
800x600 120 77.4

XGA 1024x768 60 48.4

1024x768 70 56.5
1024x768 75 60.0
1024x768 120 99.0

SXGA 1152x864 75 67.5

1280x1024 60 64.0
1280x1024 75 80.0

QuadVGA 1280x960 60 60.0

1280x960 75 75.2

SXGA+ 1400x1050 60 65.3
PowerBook G4 640x480 60 31.4
PowerBook G4
PowerBook G4
PowerBook G4 1024x768 60 48.4
PowerBook G4 1152x870 75 68.7
PowerBook G4 1280x960 75 75.0

i Mac DV (G3) 1024x768 75 60.0

640x480 66.6 (67) 34.9
800x600 60 37.9

English

2 VGA Analog - Extended Wide timing

Modes Resolution V.Frequency [Hz] H.Frequency [KHz]
WXGA 1280x768 60 47.8

1280x768 75 60.3
1280x720 60 44.8
1280x800 60 49.6
1280x800 120 101.5
1440x900 60 59.9

WSXGA+ 1680x1050 60 65.3

1920x1080

(Reduced

Blanking Timing)

1366x768 60 47.7

60 66.6

3 VGA Analog - Component Signal

Modes Resolution V.Frequency [Hz] H.Frequency [KHz]

480i 720x480 59.94(29.97) 15.7

576i 720x576 50(25) 15.6

480p 720x480 59.94 31.5

576p 720x576 50 31.3

720p 1280x720 60 45.0

720p 1280x720 50 37.5

1080i 1920x1080 60 (30) 33.8

1080i 1920x1080 50 (25) 28.1

1080p 1920x1080 23.97/24 27.0

1080p 1920x1080 60 67.5

1080p 1920x1080 50 56.3

27

B. HDMI Digital

1 HDMI - PC Signal

Modes Resolution V.Frequency [Hz] H.Frequency [KHz]

VGA 640x480 60 31.5

640x480 75 37.5

SVGA 800x600 56 35.1

800x600 60 37.9
800x600 75 46.9
800x600 120 77.4

XGA 1024x768 60 48.4

1024x768 70 56.5
1024x768 75 60.0

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English

1024x768 120 99.0

SXGA 1152x864 70 63.8

1152x864 75 67.5
1280x1024 60 64.0
1280x1024 75 80.0

QuadVGA 1280x960 60 60.0

SXGA+ 1400x1050 60 65.3
PowerBook G4 640x480 60 31.4
PowerBook G4
PowerBook G4
PowerBook G4
PowerBook G4

i Mac DV (G3)

640x480 66.6 (67) 34.9

800x600 60 37.9
1024x768 60 48.4
1152x870 75 68.7
1024x768 75 60.0

2 HDMI - Extended Wide timing

Modes Resolution V.Frequency [Hz] H.Frequency [KHz]
WXGA 1280x768 60 47.8

1280x768 75 60.3
1280x720 60 44.8
1280x800 60 49.6
1280x800 120 101.5
1440x900 60 59.9

WSXGA+ 1680x1050 60 65.3

1920x1080

(Reduced Blanking

Timing)

1366x768 60 47.7

60 66.6

English

3 HDMI - Video Signal

Modes Resolution V.Frequency [Hz] H.Frequency [KHz]

480i 720x480(1440x480) 59.94 (29.97) 15.7

576i 720x576(1440x576) 50 (25) 15.6
480p 720x480 59.94 31.5
576p 720x576 50 31.3
720p 1280x720 60 45.0
720p 1280x720 50 37.5

1080i 1920x1080 60 (30) 33.8
1080i 1920x1080 50 (25) 28.1

1080p 1920x1080 23.97/24 27.0
1080p 1920x1080 60 67.5
1080p 1920x1080 50 56.3

Graphic source
monitor range

limits

Horizontal scan rate: 30k~102kHz

Vertical scan rate: 50~120Hz
Max. pixel rate 150MHz

29

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English

Regulations and safety notices

FCC notice

This device has been tested and found to comply with the limits for a Class B
digital device pursuant to Part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This device generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular
installation. If this device does cause harmful interference to radio or television
reception, which can be determined by turning the device off and on, the user
is encouraged to try to correct the interference by one or more of the following
measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the device and receiver.

• Connect the device into an outlet on a circuit different from that to which

the receiver is connected.

• Consult the dealer or an experienced radio/television technician for help.

Notice: Shielded cables

All connections to other computing devices must be made using shielded cables
to maintain compliance with FCC regulations.

Notice: Peripheral devices

Only peripherals (input/output devices, terminals, printers, etc.) certified to
comply with the Class B limits may be attached to this equipment. Operation
with non-certified peripherals is likely to result in interference to radio and TV
reception.

Caution

Changes or modifications not expressly approved by the manufacturer could
void the user's authority, which is granted by the Federal Communications
Commission, to operate this device.

Operation conditions

This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including interference
that may cause undesired operation.

Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated
with minimum distance 20cm between the radiator & your body.

Notice: Canadian users

This Class B digital apparatus complies with Canadian ICES-003.

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English

001

Remarque à l'intention des utilisateurs canadiens

Cet appareil numérique de la classe B est conforme a la norme NMB-003 du
Canada.

Declaration of Conformity for EU countries

Acer hereby declares that this projector series is in compliance with the essential
requirements and other relevant provisions of Directive 1999/5/EC.

Compliant with Russian regulatory certification

Radio device regulatory notice

Note: The regulatory information below is for models with
wireless LAN and/or Bluetooth only.

General

This product complies with the radio frequency and safety standards of any
country or region in which it has been approved for wireless use. Depending on
configurations, this product may or may not contain wireless radio devices (such
as wireless LAN and/or Bluetooth modules).

English

Canada — Low-power license-exempt radio
communication devices (RSS-247)

a Common information

Operation is subject to the following two conditions:

1. This device may not cause interference, and

2. This device must accept any interference, including interference
that may cause undesired operation of the device.

b Operation in 2.4 GHz band

To prevent radio interference to the licensed service, this device is
intended to be operated indoors and installation outdoors is subject
to licensing.

List of applicable countries

This device must be used in strict accordance with the regulations and constraints in the
country of use. For further information, please contact the local office in the country of use.
Please see http://ec.europa.eu/enterprise/rtte/implem.htm

for the latest country list.

32

English

Industry Canada statement:

This device complies with ISED's licence-exempt RSSs. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired
operation.

FOR MOBILE DEVICE USAGE (>20cm/low power)

Radiation Exposure Statement:

This equipment complies with ISED radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with minimum distance
20cm between the radiator & your body.

We,

of Conformity

Acer Incorporated

8F, 88, Sec. 1, Xintai 5th Rd., Xizhi, New Taipei City 221, Taiwan

And,

Acer Italy s.r.l.

Via Lepetit, 40, 20020 Lainate (MI) Italy
Tel: [phone] ,Fax: [phone]
www.acer.it

Product: DLP Projector
Trade Name: Acer
Model Number: CWX1428

K138ST/L224/LK-W16

Acer Incorporated

8F, 88, Sec. 1, Xintai 5th Rd., Xizhi

New TaipeiCity 221, Taiwan

We, Acer Incorporated, hereby declare under our sole responsibility that the product described above is in
conformity with the relevant Union

as below and following

harmonized standards and/or other relevant standards have been applied:

EMC Directive: 2014/30/EU

EN 55032:2012+AC:2013, Class B
EN 55024:2010+A1:2015

R&TTE Directive: 1999/5/EC (until Jun 12, 2017)

RED Directive: 2014/53/EU (From Jun 13, 2017)

EN 300 328 V1.9.1
EN 301 893 V1.7.1
EN 300 440-1 V1.6.1
EN 300 440-2 V1.4.1
EN 302 291-1 V1.1.1
EN 302 291-2 V1.1.1

LVD Directive: 2014/35/EU

EN 60950-1:2006/A11:2009/A1:2010/A12:2011/A2:2013
EN 50332-1:2013 EN 50332-2:2013

RoHS Directive: 2011/65/EU

EN 50581:2012

ErP Directive: 2009/125/EC

Regulation (EU) No. 617/ 2013
Regulation (EC) No. 1275/2008; EN 50564:2011

EN 61000-3-2:2014, Class A
EN 61000-3-3:2013

EN 301 511 V9.0.2
EN 301 908-1 V6.2.1
EN 301 908-2 V6.2.1
EN 301 908-13 V6.2.1
EN 301 489-1 V1.9.2
EN 301 489-3 V1.6.1

Regulation (EC) No. 278/2009; EN 50563:2011

EN 301 489-7 V1.3.1
EN 301 489-17 V2.2.1
EN 301 489-24 V1.5.1
EN 50360:2001 EN 50566:2013
EN 62479:2010 EN 62311:2008
EN 62209-1:2006 EN 62209-2:2010

Year to begin affixing CE marking 2017.

_______________________________

RU Jan / Sr. Manager Date
Acer Incorporated (Taipei, Taiwan)

Jan. 01, 2017

Acer America Corporation

333 West San Carlos St.,
Suite 1500
San Jose, CA 95110
U. S. A.

Tel: [phone]

Fax: [phone]

www.acer.com

Federal Communications Commission

Declaration of Conformity

This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including interference
that may cause undesired operation.

The following local Manufacturer / Importer is responsible for this declaration:

P

roduct:

DLP

Projector

Model

Number:

CWX1428

Machine Type:

K138ST/L224/LK

-W16

Name of Responsible Party:

Acer America Corporation

Address of Responsible Party:

333 West San Carlos St.

Suite 1500

San Jose, CA 95110

U. S. A.

Contact Person:

Acer Representative

Phone No.:

254

-298-4000

Fax No.:

254

-298-4147