BenQ MH741 Manual de usuario

MH741

Digital Projector

User Manual

Table of contents2

Ta b l e o f c o n t e n t s

Important safety

instructions ................... 3

Introduction.................. 7

Projector features.....................................7

Shipping contents ......................................8

Projector exterior view...........................9

Controls and functions ..........................11

Positioning your

projector ..................... 18

Choosing a location................................18

Obtaining a preferred projected

image size..................................................19

Connection ................. 21

Connecting video source devices........22

Playing sound through the

projector...................................................23

Operation ................... 24

Starting up the projector ......................24

Adjusting the projected image .............25

Using the menus......................................28

Securing the projector...........................29

Utilizing the password function ...........29

Switching input signal .............................32

Magnifying and searching for details ...33

Selecting the aspect ratio ......................33

Optimizing the image .............................35

Setting the presentation timer.............39

Remote paging operations ....................40

Freezing the image ..................................40

Hiding the image......................................40

Locking control keys ..............................41

Operating in a high altitude

environment............................................. 41

Adjusting the sound ............................... 41

Using the test pattern............................ 42

Using the teaching templates............... 43

Using the quick install............................ 43

Shutting down the projector ............... 44

Menu operation ...................................... 45

Maintenance ............... 56

Care of the projector............................ 56

Lamp information ................................... 57

Troubleshooting......... 64

Specifications.............. 65

Projector specifications......................... 65

Dimensions .............................................. 66

Timing chart............................................. 67

Warranty and

information................. 73

Important safety instructions 3

Important safety instructions

Your projector is designed and tested to meet the latest standards for safety of information

technology equipment. However, to ensure safe use of this product, it is important that

you follow the instructions mentioned in this manual and marked on the product.

Safety Instructions

1. Please read this manual before

you operate your projector. Save

it for future reference.

2. Do not look straight at the

projector lens during operation.

The intense light beam may damage

your eyes.

3. Refer servicing to qualified

service personnel.

4. Always open the lens shutter or

remove the lens cap when the

projector lamp is on.

5. In some countries, the line voltage is

NOT stable. This projector is

designed to operate safely within a

mains voltage between 100 to 240

volts AC, but could fail if power cuts

or surges of ±10 volts occur. In

areas where the mains voltage

may fluctuate or cut out, it is

recommended that you connect

your projector through a power

stabilizer, surge protector or

uninterruptible power supply

(UPS).

Important safety instructions4

Safety Instructions

6. Do not block the projection lens with

any objects when the projector is

under operation as this could cause

the objects to become heated and

deformed or even cause a fire. To

temporarily turn off the lamp, press

ECO BLANK on the projector or

remote control.

7. The lamp becomes extremely hot

during operation. Allow the projector

to cool for approximately 45 minutes

prior to removing the lamp assembly

for replacement.

8. Do not operate lamps beyond the

rated lamp life. Excessive operation of

lamps beyond the rated life could

cause them to break on rare

occasions.

9. Never replace the lamp assembly or

any electronic components unless the

projector is unplugged.

10. Do not place this product on an

unstable cart, stand, or table. The

product may fall, sustaining serious

damage.

11. Do not attempt to disassemble this

projector. There are dangerous high

voltages inside which may cause death

if you should come into contact with

live parts. The only user serviceable

part is the lamp which has its own

removable cover.

Under no circumstances should you

ever undo or remove any other

covers. Refer servicing only to

suitably qualified professional service

personnel.

Important safety instructions 5

Safety Instructions (Continued)

12. When the projector is under

operation, you may sense some

heated air and odor from its

ventilation grill. It is a normal

phenomenon and not a product

defect.

13. Do not place this projector in any

of the following environments.

- Space that is poorly ventilated or

confined. Allow at least 50 cm

clearance from walls and free flow of

air around the projector.

- Locations where temperatures may

become excessively high, such as the

inside of a car with all windows rolled

up.

- Locations where excessive humidity,

dust, or cigarette smoke may

contaminate optical components,

shortening the projector's life span

and darkening the image.

- Locations near fire alarms

- Locations with an ambient

temperature above 40°C / 104°F

- Locations where the altitudes are

higher than 3000 m (10000 feet).

14. Do not block the ventilation holes.

- Do not place this projector on a

blanket, bedding or any other soft

surface.

- Do not cover this projector with a

cloth or any other item.

- Do not place inflammables near the

projector.

If the ventilation holes are seriously

obstructed, overheating inside the

projector may result in a fire.

15. Always place the projector on a

level, horizontal surface during

operation.

- Do not use if tilted at an angle of more

than 10 degrees left to right, nor at

angle of more than 15 degrees front

to back. Using the projector when it is

not fully horizontal may cause a

malfunction of, or damage to, the

lamp.

3000 m

(10000 feet)

0 m

(0 feet)

Important safety instructions6

Safety Instructions (Continued)

16. Do not stand the projector on end

vertically. Doing so may cause the

projector to fall over, causing injury or

resulting in damage to the projector.

17. Do not step on the projector or place

any objects upon it. Besides probable

physical damage to the projector,

doing so may result in accidents and

possible injury.

18. Do not place liquids near or on the

projector. Liquids spilled into the

projector may cause it to fail. If the

projector does become wet,

disconnect it from the power supply's

wall socket and call BenQ to have the

projector serviced.

19. This product is capable of displaying

inverted images for ceiling mount

installation.

Use only BenQ's Ceiling Mount Kit for

mounting the projector and ensure it is

securely installed.

Ceiling mounting the

projector

We want you to have a pleasant experience

using your BenQ projector, so we need to bring

this safety matter to your attention to prevent

possible damage to person and property.

If you intend to mount your projector

on the ceiling, we strongly recommend

that you use a proper fitting BenQ

projector ceiling mount kit and that

you ensure it is securely and safely

installed.

If you use a non-BenQ brand

projector ceiling mount kit, there is a

safety risk that the projector may fall

from the ceiling due to an improper

attachment through the use of the

wrong gauge or length screws.

You can purchase a BenQ projector

ceiling mount kit from the place you

purchased your BenQ projector. BenQ

recommends that you also purchase a

separate Kensington lock compatible

security cable and attach it securely to

both the Kensington lock slot on the

projector and the base of the ceiling

mount bracket. This will perform the

secondary role of restraining the

projector should its attachment to the

mounting bracket become loose.

Hg - Lamp contains mercury. Manage

in accordance with local disposal laws.

See www.lamprecycle.org.

Introduction 7

Introduction

Projector features

The projector offers the following features

•SmartEco™ starts your dynamic power saving

The SmartEco™ technology offers a new way of operating the projector lamp system

and saves lamp power up to 70% depending on the content brightness level.

•Longer lamp life with SmartEco™ technology

The SmartEco™ technology lowers the power consumption and increases the lamp life

when SmartEco mode is selected.

•HDMI/MHL compatible

You can project the content from your smart devices via HDMI-1/MHL connection.

•ECO BLANK saves 70% of lamp power

By pressing the ECO BLANK button to hide the image and immediately lower 70% of

the lamp power at the same time.

•USB MINI-B jack to use the page up/down commands (like Microsoft PowerPoint)

using the remote control when connected a PC.

•USB TYPE A jack to support 5V/1.5A output.

•Less than 0.5W in standby condition

Less than 0.5W power consumption under standby mode.

•Filter Free

Filter free design to lower maintenance and operating costs.

•One-key auto-adjustment

Pressing AUTO on the keypad or remote control to show the best picture quality

immediately.

•Built-in 10W speaker(s)

Built-in 10W speaker(s) providing mixed mono audio when an audio input is

connected.

•Quick Cooling, Auto Power Off, Signal Power On, Direct Power On Quick

Cooling function speeds up the cooling process when turning off the projector. Auto

Power Off function allows the projector to turn off automatically if no input signal is

detected after a set period of time. Signal Power On function turns on your

projector automatically once detecting the signal input and Direct Power On boots

up the projector automatically when the power is connected.

•Instant Restart

Selectable Instant Restart function enables you to restart the projector immediately

within 90 seconds after turning it off.

•3D Function supported

Various 3D formats make the 3D function more flexible. By presenting the depth of the

images, you can wear BenQ 3D glasses to enjoy the 3D movies, videos and sporting

events in a more realistic way.

• Auto keystone function to correct image keystoning automatically.

• The apparent brightness of the projected image will vary depending on the ambient lighting

conditions, selected input signal contrast/brightness settings, and is directly proportional to

projection distance.

• The lamp brightness will decline over time and may vary within the lamp manufacturers

specifications. This is normal and expected behavior.

Introduction8

Shipping contents

Carefully unpack and verify that you have all of the items shown below. If any of these items

are missing, please contact your place of purchase.

Standard accessories

The supplied accessories will be suitable for your region, and may differ from those illustrated.

Optional accessories

*The warranty card is only supplied in some specific regions. Please consult your dealer for

detailed information.

Projector Remote control with battery

Power cord VGA cable Soft carry case

Quick start guide User manual CD Warranty card*

1. Spare lamp kit

2. Ceiling mount kit

3. Soft carry case

4. 3D glasses

Digital Projector

Quick Start Guide

Introduction 9

Projector exterior view

1. Lamp compartment cover

2. External control panel

(See "Projector" on page 11 for

details.)

3. Focus ring and Zoom ring

4. Vent (cool air intake)

5. Lens cap & string

6. Projection lens

7. Front IR remote sensor

8. HDMI-1 input jack

9. VIDEO input jack

10. HDMI-2/MHL input jack

11. Audio (L/R) input jack

12. Audio input/output jack

13. MONITOR-OUT output jack

14. RS232 control port

15. PC input jack

16. Kensington anti-theft lock slot

17. Rear adjuster foot

18. Rear IR remote sensor

19. USB Mini-B port

20. Front adjuster foot

21. Microphone jack

22. S-VIDEO input jack

23. USB Type-A port

24. AC power cord inlet

Front/upper side

Rear/lower side

13108

161922 2024 18 1723

1411 1512

Introduction10

25. Front adjuster foot

26. Ceiling mount holes

27. Rear adjuster foot

Bottom side

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