Acer C20 User Manual

Copyright © 2010. Acer Incorporated.
All Rights Reserved.

Acer Projector C20 Series User's Guide
Original Issue: 09/2010

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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 specically disclaims the
implied warranties of merchantability or tness 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 afxed 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.

Acer Projector C20 Series

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 identication purposes only and belong to their respective companies.

"HDMITM, the HDMI logo and High-Denition Multimedia Interface are trademarks or registered trademarks of HDMI

Licensing LLC."

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.

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Warning:

• 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 re or electric shock. Never spill liquid of any kind onto or into the product.

• 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, lamp.

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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 ts in a grounded power outlet. Make sure

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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.

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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 certied, VDE approved or its equivalent, 4.6 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 qualied service personnel.

Unplug this product from the wall outlet and refer servicing to qualied 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

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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 qualied technician to restore the product to normal condition.

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

purchase options.

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 lamp is on. The bright may hurt your eyes.

• Turn on the projector rst and then signal sources

• Do not place the product in following environments:

• Space that is poorly ventilated or conned. At least 50cm clearance from walls and free ow 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 re 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 might cause re 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 re.

• When switching the projector off, suggest to ensure the projector completes its cooling cycle before disconnecting power.

• Do not frequrntly turn off the mail 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 lter frequently if have. The temperature inside may rise and cause damage when the lter/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 re. To temporarily turn off the lamp, press HIDE on the remote control.

• The lamp becomes extremely hot during operation. Allow the projector to cool for approximately 45 minutes prior to removing the lamp

assembly for replacement.

• Do not operate lamps beyond the rated lamp life. It could cause it to break on rare occasions.

• Never replace the lamp assembly or any electronic components unless the projector is unplugged.

• The product will detect the life of the lamp itself. Please be sure to change the lamp when is showing warning message.

• When changing the lamp, please allow unit to cool down, and follow all changing instructions.

• Reset the "Lamp Hour Reset" function from the Onscreen display "Management" menu after replacing the lamp module.

• Do not attempt to disassemble this projector. There are dangerous high voltages inside which may hurt you. The only user serviceable

part is the lamp which has its own removable cover. Refer servicing only to suitable qualied professional service personnel.

• Do not stand the projector on end vertically. It may cause the projector to fall over, causing injury or damage.

• This product is capable of displaying inverted images for ceiling mount installation. Only use acer ceiling mount kit for mounting the
projector and ensure it is securely installed.

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.

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

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First things rst

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 eld.

• 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.

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Warning!

• To reduce the risk of re 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 rst and then the signal sources.

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

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# Description

1 Power Button

2 Enter Button

3 Battery Indicator

4 Auto Search Source Button

5 Navigation/Volume Button

(up/down/left/right)

6 Menu/Esc Button

7 Focus Dial

8 VGA/Component Input

Connector

9 Mini HDMI Connector

10 Speaker

11 Audio Out Connector

12 AV Input Connector

13 MicroSD Card Slot

14 Micro USB port

15 Through-hole for straps

16 Lens

17 IR Receiver

18 DC Input

19 Screw Hole for Tripod

Convertor

20 Battery Cover

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20

3

1

2

9

8

7

18

10

11

12

13

14

19

15

17

16

6

4

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 & Battery

Power adaptor with

AC Plug

Universal-to-D-Sub

Cable

2.5mm-to-3.5mm A/V

Cable

Micro USB to USB A

Cable.

Mini HDMI Adapter

(Optional)

Adapter for

iPod/iPhone

(Optional)

Pouch USB Cable Quick start guide

Intrduction

Product Overview

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Installing the Battery

1. Remove the battery cover. (illustration #1~3)

2. Insert the battery with the electrical contact
facing downward and away from the lens.

(illustration #4)

3. Ensure that the battery pull tab extends from

under the battery. (illustration #5)

4. Slide the battery cover back into place over
the battery pull tab. (illustration #6~7)

1

2

3

4

5

7

6

1. Remove protection cap and insert the plug.
(illustration #1~2)

2. Connect the charger. (illustration #3~4)

3. During charging the LED indicator lights red.
(illustration #5)

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Warning: Projector will not charge while

operating.

4. The LED Charge Indicator will go off when

battery is fully charged. This process may take
up to 2.5 hours.

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Note: Led indicator

Operation

Battery charging

Charge complete

Charging the Battery

2

1

3

4

5

Getting Started

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Note: After the projector is turned off, the battery may not start charging right away due to over temperature

protection.

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Warning:

Battery charging The accessory batteries have a small amount power at the time of purchase. The  rst

charge should last for 6 hours and the machine should not be used during charging.

Battery indicator Indication for 3 stages or sections. ( 50%/20%/5%)
Notes on battery

use

1. When the batteries are used, charging will automatically stop if their temperature is

greater than 45℃.

2. After they cool down, charging will resume and you do not have to plug or unplug the
batteries/adapter.

3. It is not recommended to charge the batteries immediately after use.

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5

D-Sub

1

DVD player

HDMI

6

8

4

iPod/iPhone

Micro SD

3

USB

USB disk

2

USB

USB

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R

W

Connecting the Projector

# Description

1 Universal-to-D-Sub Cable

2 USB Cable

3 Micro USB to USB A Cable

4 2.5mm-to-3.5mm A/V Cable

5 Universal to RCA Cable

6 HDMI Cable (mini-to-STD)

7 Audio Cable Jack/RCA

8 Adapter for iPod/iPhone

Adjusting the Projected Image

screen size

20"

screen size

20"

0.974m
Desired Distance

Height:

25cm

Desired

Distance

(m)

Screen Size

Diagonal (inch) W(cm) x H(cm)

0.245 5.0 11 x 6

0.500 10.3 23 x 13

0.700 14.4 32 x 18

0.974 20.0 44 x 25

1.500 30.8 68 x 38

2.000 41.1 91 x 51

2.500 51.3 114 x 64

3.215 66.0 146 x 82

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Note: To ensure the projector works well with

your computer, please make sure the timing of
the display mode is compatible
with the projector.

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00: 05 00: 28

User Controls

How to Use the Menu

1. Display the Main Menu. ( )

2. Highlight the desired option ( | | )

3. Enter the desired option. ( )

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Source: Composite AV, VGA, Component and HDMI

4. Highlight the desired item. ( | ＿ ￣ | )

5. Select the item. ( )

6. Press ( ) to go up one directory.

Under external signal mode, press ( ) to bring
out the OSD.
The OSD disappears in 5 seconds if there is no
OSD operation.
The projector will automatically shut down if the
projector is idle at its main menu or sub menu
for 3 minutes. (Only in the battery state.)

Composite, HDMI or
Component source

VGA source

Bright mode: Full
LED power.

STD mode:
Standard LED
power.

Front Desktop.

Rear Desktop.

Front Inverted.

Rear Inverted.

4x3 aspect ratio.

16x9 aspect ratio.

Auto aspect ratio.

Contrast: adjust
contrast

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Note: External signal mode

is applicable for connecting

VGA, Composite, HDMI and

Component signals.
Note: The rst time you use
the projector, you can select
your preferred language from
the quick menu after the
startup screen displays.

H. Position: adjust the
horizontal position.

V. Position: adjust the

vertical position.

Frequency: change
the display data
frequency to match
the frequency of your
computer’s graphic
card. Use this function
only if the image

appears to icker

vertically.

Phase: synchronize
the signal timing of
the display with the
graphic card. If the
image appears to be

unstable or ickers,

use this function to
correct it.

Source: Internal Memory, Micro SD Card, and USB Flash Drive

Videos

Main menu

Item

Internal Memory Micro SD Card USB Flash Drive

Adjust Volume

Fast forward

Rewind

Play /Pause

Exit Video mode

Source: Internal Memory, Micro SD Card, and USB Flash Drive

Main menu Item

Internal Memory

Photos

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Micro SD Card

USB Flash Drive

Presentation

Setting

Using MPtG Converter Tool

Photo Setting

Slideshow Duration Timer: Select duration of slideshow
(Off, 2 sec., 5 sec., 10 sec.).

Slideshow Repeat: Enable slideshow repeat (Off, On).

Video Setting

Play Mode: Select play mode (Once, Repeat, Repeat
Once).

System Setting

Language: Select preferred language for on-screen
menus.

Brightness: Select LED mode (STD, ECO).

Projection: Select the projection mode (Front Desktop,
Rear Desktop, Front Inverted, Rear Inverted).

Version: Displays rmware version.

Download MPtG converter tool from internal memory of projector.

You can use this tool to transfer PPT/PDF les to projector.

To install converter tool:

1. Connect the projector for data transfer.

2. Browse internal memory of Projector (like a USB memory stick) to
download converter “mptg.exe” from a folder “Converter”.

3. Execute the le "mptg.exe" on your PC/NB, and follow the onscreen

instructions to nish installation.

Click converter to select a PowerPoint or PDF les and start conversion.
The tool will transfer PowerPoint/PDF les to MPtG format. You can copy

all of converted results in media (ex. USB drive) you have and play MPtG

les on Presentation mode of Projector.

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Note: Please make sure the

Microsoft ofce is installed

before playing PtG.

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How to Play iPhone/iPod Media via C20

Adjust C20 source upto “Composite” and make sure to
plug adapter with iPod/iPhone well.

2

1

iPod/iPhone

# Description

1 2.5mm-to-3.5mm A/V Cable

2 Adapter for iPod/iPhone

If using iPod,

Follow below steps:

1. Choose photos and then choose which album you
want. (ex. TOKYO)

2. If by iPod Nano : press when thumbnail mode.

3. If by iPod Classic : press to enter “slideshow”

mode and photo will be output automatically via
C20.

How to play photos

If using iPhone,

Photos

Follow below steps:

1. Press application “Photo” on main screen and

choose album.

2. Press in thumbnail page .

Please make sure Photo setting in advance.
Follow below:

• If by iPod Nano:

Photos → Settings

• If by iPod Classic : Slideshow Settings

a. TV Out: choose On
b. TV Signal: choose NTSC

If using iPhone,

Follow below steps:

1. Press application “Video” in main screen.

2. Press video clip you want in Video clip listing, then

video will be output automatically via C20.

iPod

How to play videos

Same behavior by iPhone and iPod.

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
on-screen

• Ensure the cables/charger/battery
are correctly and securely
connected.

• Ensure the pins of connectors are
not crooked or broken.

• Make sure the projector is switched
on.

2 Image is out

of focus

• Adjust the Focus Dial.

• Make sure the projection screen
is between the required distance

9.6 to 126.6 inches (0.245 to 3.215

meters) from the projector.

3 Image is too

small or too

• Move the projector closer to or
further from the screen.

large

4 Image is

reversed

• Select “Source --> Settings -->
System Setup --> Projection” from
the OSD and adjust the projection
direction.

Audio Problems

1 No sound • Press the button.

Battery Problems

# Problem Solution

1 Battery

capacity is
low

• Remove the battery and clean the
connectors.

• The battery is worn out and needs to
be replaced.

• The battery may not charge right
after the projector is turned off due to
the high temperature emitted by the
projector.

Message Reminder

1 Out of the range

2 High battery consumption

Please see "Compatibility
Modes"

Please change the
battery.

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English

Compatibility Modes

Mode Resolution V-Sync (Hz)

VGA

Composite

Component

HDMI

Multimedia Format: Video

File Format Video Format Max Res. Prole

AVI, MOV,
MP4, 3GP

AVI

AVI

AVI

Photo

File Format File Extension

BMP *.bmp

JPG, JPEG

640x480 60

800x600 60

1024x768 60

1280x720 60

1280x800 60

480i / 480P 60

576i / 576P 50

720P 50 / 60

1080i 50 / 60

H.264

MPEG4 Simple Prole

Xvid Baseline

MJPEG 640X480 30fps Baseline

720X480 30fps

or

720x576 25fps

Baseline

Audio

File Format

AAC, MP3, PCM, ADPCM,

*.jpg, *.jpeg

WMA, OGG

Media Card (micro SD/SDHC)

C20 support Micro SD/SDHC up to 16GB, Class 2~6.

Below are recommended models:

Manufacturer Model Name Capacity

A-Data microSD2G+Adapter 2GB

A-Data MM4GR01GUACU-PA 1GB

APACER MM4GR01GUACE-PA 1GB

Kingmax T02GSEMASI 2GB

Kingston SDC/1GBFE 1GB

Kingston SDC/2GBFE 2GB

PQI AE81-2030R C20HF0730001 2GB

RiDATA E247TNO1GIOBE 1GB

SanDisk SDSDQ-1024-J3K 1GB

SanDisk SDSDQ-2048-E10M 2GB

SanDisk SDSDQ-2048-J3K 2GB

SanDiskn 07186023400PC (SDHC) 4GB

Toshiba SD-C02GR4W 2GB

Transcend TS1GUSD 1GB

Transcend TS2GUSD 2GB

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Note: Video format does not support content with

B-Frame function.