Acer K138STi series, L224R series, LK-W16F series User Guide

Acer Projector

K138STi/L224R/LK-W16F Series

User's Guide

Copyright © 2015. Acer Incorporated.
All Rights Reserved.

Acer Projector User's Guide
Original Issue: 09/2015

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 35 ºC/95 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
might cause fire or electric shock. In this case, unplug immediately and
contact your dealer.

vi

6°

6°

• 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.

• The projector should be placed in a horizontal way by means of desktop or
ceiling mount mode only, and its tilt angles should not exceed 6 degrees,
otherwise it would cause dramatical decrease of lamp life or severe safety
concern of system malfunction.

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.

vii

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 6

MHL (Mobile High-Definition Link) Control 8

Getting Started 9

Connecting the Projector 9

DC 5V Out for Device Charge 10

Turning the Projector On/Off 11

Turning on the Projector 11

Turning the projector off 12

Adjusting the Projected Image 13

Adjusting the Height of Projected Image 13

How to optimize image size and distance 14

Under Operation with Battery 15

LED Indicator / Messages 15

Display Mode and Battery Capacity 16

DC 5V Out for Device Charge 16

User Controls 17

Installation menu 17

Onscreen Display (OSD) Menus 18

Color 19

Image 20

Setting 22

Management 22

Audio 23

Contents

3D 23

Language 24

Appendices 25

Troubleshooting 25

LED & Alarm Definition Listing 30

LED Indicator / Messages 30

Specifications 31

Display Mode and Battery Capacity 33

Compatibility modes 34

Regulations and safety notices 38

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.

• Built-in battery

• Support wireless projection

®

technology

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

enable optimum performance in any situation.

entertainment.

approach and physical efficiency improvement.

®

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

®

Windows

8.1, Windows® 10, Macintosh® OS compliant.

+

.

2

English

INFO

USB Disp.

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

Remote control AAA battery x 2 (option) User's guide

Quick start guide Carrying case VGA cable

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

WirelessHD-Kit

(option)

User's guide

(for multi-media and

wireless functions)

WirelessAndroid-Kit

(option)

Quick start guide

(for multi-media and

wireless functions)

WirelessCAST

(option)

English

Projector Overview

4

2

1

3

5

6

6

VGA IN

DC 5V OUT

WIRELESS

PROJECTION-KIT

USB

1

42 5 63 7 1398 11 1210

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 8 Micro SD slot

2

Kensington

3 Battery on/off button (see Note 1.) 10 Audio out connector

PC analog signal/HDTV/component

4

video input connector (VGA IN)

5 Audio input connector 12 DC Input

6 HDMI/MHL connector 13

USB Connector, see Note 2. (Support

7

USB flash disk and flash memory
storage access)

TM

lock port

9 LAN (RJ45 Port for 10/100M Ethernet)

5V DC output connector (device charge

11

only)

For Acer WirelessProjection-Kit only,
see Note 3.

4

English

10

1
2
3

4

5 5

9

8

8

11

12

7

6

13

Note 1: The design mechanism of "Battery On/Off button" is to
protect projector from powering on by touching power button
accidentally. To power on projector, press "Battery On/Off"
button first and then press power button within 60 sec.
Note 2: It is not allowed to plug in Acer WirelessProjection-Kit or
other USB WiFi dongle.
Note 3: Acer WirelessProjection-Kit is only allowed to be installed
while projector is off; forbidden to plug out or installed while
projector is active.

Control Panel

# Icon Function Description
1 TEMP LED Indicator Overheat temperature warning
2 LAMP LED Indicator Lamp problem warning

3 BATT LED Indicator

4POWER

5 Volume

6MENU

Show battery status by colors
(Details see LED indicator page)

See the contents in "Turning the Projector
On/Off" section.

Increases/decreases the volume.

• 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.

English

# Icon Function Description

• Press "BACK" to go back one menu

Back/Exit

7

Stop

8 Keystone

9SOURCE

10

11

12 Ambient light sensor

13 Display Key

Four directional select
keys

Select/Enter

Play/Pause

step.

• To exit the file.
(only for Navigation mode)

Discontinues playback. (only for Multi­Media mode)

Adjusts the image to compensate for
distortion caused by tilting the projector.
(±20 degrees)

Changes the active source.

Use to select items or make
adjustments to your selection.

Press to select/enter the file. (only for
Navigation mode)

Toggles between playback and pause. (only
for Multi-Media mode)

Detect ambient light if LumiSense+ is
triggered.

Long press DOWN key will pop up a screen
to ask if end user needs to do screen off.

5

6

English

1

INFO

USB Disp.

7

5

16

17

18

19

9

10

11

12

13

14

15

21

22

23

24

25

26

27

4

2
3

Model No:T-2505

MC.JLH11.00B

20

6

8

Remote Control Layout

# Icon Function Description

1

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

Infrared
transmitter

Sends signals to the projector.

3 MUTE No function.

4 RATIO No function.

Select/Enter Press to select/enter the file. (only for Navigation mode)

5

6

7

8

9

10

11 FREEZE No function.

12 HIDE No function.

13

Play/Pause

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



Four
directional
select keys

Display Key



BACK Press "BACK" to go back one menu step.

STOP Press to stop playback.

INFO
(Information)

USB Disp.
(USB Display)

Toggles between playback and pause. (only for Multi-Media
mode)

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

Long press DOWN key will pop up a screen to ask if end user
needs to do screen off.

No function.

No function.