Acer GM712/D4K2107 Manuel utilisateur

Acer Projector User's Guide

Original Issue: 10/2021

Acer Projector

GM712/D4K2107

User's Guide

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."

iii

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.

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

•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.

•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.

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 isasafety 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 willoften require extensive work by a qualified technician to

restore the product tonormal condition.

Warning! For safetyreasons, do not use non-compliant parts when adding

or changing components. Consult yourreseller 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 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

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.

•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.

•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

qualified 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.

•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.

6°

vii

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

Mercury advisory

For projectors or electronic products containing an LCD/CRT monitor or display:

Lamp(s) inside this product contain mercury and must be recycled or disposed of

according to local, state or federal laws. For more information, contact the

Electronic Industries Alliance at www.eiae.org. For lamp-specific disposal

information, check www.lamprecycle.org

Do not stare into the beam, RG2

"As with any bright source, do not stare into the direct beam, RG2 IEC 62471-

5:2015"

“Lamp(s) contain Mercury,

Dispose Properly.”

RG2

viii

First things first

Usage Notes

Do:

•Please plug in the UWA5 wireless dongle in the Wireless Kit port before

opening the projector for the first time.

•If user open the projector first, then plug in the UWA5 wireless dongle,

please re-start your projector.

•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 lamp is on. The bright light 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 changing the lamp, please allow unit to cool down, and follow all changing

instructions.

•This product will detect the life of the lamp itself. Please be sure to change the lamp

when it shows warning messages.

•Reset the "Lamp Hour Reset" function from the Onscreen display "Management"

menu after replacing the lamp module.

•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.

•When the lamp reaches the end of its life, it will burn out and may make a loud

popping sound. If this happens, the projector will not turn back on until the lamp

module has been replaced. To replace the lamp, contact your local dealer or Acer

service center.

Cleaning the lens

•Before cleaning the lens, be sure to turn off the projector and unplug the

power cord to allow the projector to cool down for at least 30 minutes.

•Use a compressed air tank to remove the dust.

•Use a special cloth for cleaning lens and gently wipe the lens. Do not touch

the lens with your fingers.

•Do not use alkaline/acid detergents or volatile solvents such as alcohol for

cleaning lens. If the lens is damaged due to the cleaning process, it is not

covered by the warranty.

Warning:

•Do not use a spray containing flammable gases to remove dust or dirt from the lens.

This may cause a fire due to excessive heat inside the projector.

•Do not clean the lens if the projector is warming up as this may cause the lens’ surface

film to peel off.

•Do not wipe or tap the lens with a hard object.

Information for your safety and comfort iii

First things first viii

Usage Notes viii

Precautions viii

Cleaning the lens ix

Introduction 1

Product Features 1

Package Overview 2

Projector Overview 3

Projector Outlook 3

Control Panel 5

Remote Control Layout 6

Getting Started 8

Connecting the Projector 8

Turning the Projector On/Off 10

Turning on the Projector 10

Turning the projector off 10

Adjusting the Projected Image 12

Adjusting the Height of Projected Image 12

How to get a preferred image size by adjusting

distance and zoom 13

User Controls 14

Onscreen Display (OSD) Menus 14

Color 15

Image 18

Setting 21

Management 21

Audio 22

Appendices 23

Troubleshooting 23

LED & Alarm Definition Listing 28

Replacing the Lamp (For service personnel only) 29

Contents

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