BenQ HT4050 Manual

BenQ videoprojektorer HT4050

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HT4050

Digital Projector

Home Cinema Series

User Manual

Table of contents

Important safety

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

Projector features........ 7

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

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

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

Positioning your

projector ..................... 16

Choosing a location................................16

Obtaining a preferred projected

image size ..................................................17

Shifting the projection lens ...................19

Connection ................. 20

HDMI connection ...................................21

Smart devices connection .....................22

Component Video connection ............24

Video connection ....................................25

PC connection .........................................26

Connecting video source devices........27

Playing sound through the

projector...................................................28

Operation ................... 29

Starting up the projector ......................29

Adjusting the projected image.............31

Menu Functions .......... 34

About the OSD Menus..........................34

Using the Basic OSD menu...................36

Using the Advanced OSD menu..........40

Securing the projector...........................41

Utilizing the password function ...........41

Switching input signal .............................44

Picture menu .......................................... 45

Audio Setup menu ................................ 51

Display menu .......................................... 52

System Setup : Basic menu .................. 54

System Setup : Advanced menu ......... 55

Information menu .................................. 57

Shutting down the projector ............... 58

Advanced OSD menu structure ......... 59

Maintenance ............... 63

Care of the projector ............................ 63

Lamp information ................................... 64

Troubleshooting ........ 70

Specifications.............. 71

Projector specifications......................... 71

Dimensions .............................................. 72

Timing chart............................................. 73

Warranty and

information................. 79

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).

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

BLANK on the projector or remote

control.

Important safety instructions4

Safety Instructions (Continued)

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.

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.

Important safety instructions 5

Safety Instructions (Continued)

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.

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.

3000 m

(10000 feet)

0 m

(0 feet)

Important safety instructions6

Safety Instructions (Continued)

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.

Projector features 7

Projector features

•Full HD compatible

The projector is compatible with Standard Definition TV (SDTV) 480i, 576i, Enhanced

Definition television (EDTV) 480p, 576p and High Definition TV (HDTV) 720p, 1080i/p

60Hz formats, with the 1080p format providing a true 1:1 image reproduction.

•High picture quality

The projector provides excellent picture quality due to its high resolution, excellent

home theater brightness, high contrast ratio, vivid color and rich gray-scale

reproduction.

•Cinematic color reproduction

The projector features a precision-tuned RGBRGB color wheel to produce realistic

color accuracy depth and range of HDTV standard, ensures that movies are seen with

lifelike colors exactly the way the director intended.

•Rich gray-scale

When viewed in a darkened environment, the automatic gamma control provides

excellent gray-scale display which reveals details in shadows and in night or darkened

scenes.

•Intuitive H/V lens shift

The intuitive control over lens shift lever provides flexibility in setting-up your

projector.

•2D Keystone (Side Projection)

The projector offers horizontal (side to side) keystone correction, enabling a wider

projector installation area. When the projector is placed off center, the 2D keystone

correction feature gives you a wider projector installation flexibility by correcting the

trapezoid effect using horizontal and vertical adjustments.

•User-friendly OSD

Two types of OSD menus are designed for different usage customs: the Basic OSD is

intuitive and consumerlike, while the Advanced OSD offers traditional usability.

•Wide variety of inputs and video formats

The projector supports a wide variety of inputs for connection to your video and PC

equipment, including component video, and composite video, as well as dual HDMI,

PC, and an output trigger for connection to automated screen and environment

lighting systems.

•ISF certified calibration control

To reach a higher standard of performance, the projector incorporates ISF NIGHT and

ISF DAY mode settings in its OSD menus, which requires professional calibration

service from authorized ISF installers.

•3D function

To enjoy the 3D movies, videos, and sporting events in a more realistic way by

presenting the depth of the images through HDMI.

•Audio Enhancer with built-in chamber speaker

BenQ’s newest powerful digital sound enhancement engine incorporates WaveAudio’s

breakthrough algorithms, along with 4 sound modes and additional EQ setting, bringing

dramatic audiovisual enjoyment like no other.

•SmartEco

SmartEco™ technology saves lamp power consumption up to 70% depending on the

content brightness level when SmartEco mode is selected.

Projector features8

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.

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

detailed information.

Other accessories

For below accessories, please consult your dealer for detailed information.

Batteries

Warranty card User manual CD Quick start guide Power cable

Remote ControlProjector

Spare lamp kit Ceiling mount kit 3D Glasses Carry bag

Wireless FHD Kit

(WDP01)

Projector features10

30. Ceiling mount holes

31. Front adjuster foot

32. Rear adjuster foot

Bottom side

30 30

30 32

Projector features 11

Controls and functions

Projector

9. TEMPerature indicator light

Lights up red if the projector's temperature

becomes too high. See "Indicators" on page

69 for details.

10. Keystone/Arrow keys ( / ▲Up)

Manually corrects distorted images

resulting from an angled projection.

See "Correcting keystone" on page 32 for

details.

11. LAMP indicator light

Indicates the status of the lamp. Lights up

or flashes when the lamp has developed a

problem. See "Indicators" on page 69 for

details.

12. AUTO

Automatically determines the best picture

timings for the displayed image.

13. ► Right/ Increase volume level

Increases volume.

When the On-Screen Display (OSD) menu

is activated, the #6, #10, #13, and #16 keys

are used as directional arrows to select the

desired menu items and to make

adjustments. See "Using the Advanced OSD

menu" on page 40 for details.

14. OK/MODE

Selects an available picture setup mode.

Confirm the selected On-Screen Display

(OSD) menu item. See "Using the

Advanced OSD menu" on page 40 for

details.

15. MENU

Turns on the On-Screen Display (OSD)

menu. Goes back to previous OSD menu,

exits and saves menu settings.

See "Using the

Advanced OSD menu" on page 40 for details.

16. Keystone/Arrow keys ( / ▼Down)

Manually corrects distorted images

resulting from an angled projection. See

"Correcting keystone" on page 32 for

details.

1. FOCUS ring

Used to adjust the projected image

appearance. See "Fine-tuning the image size

and clarity" on page 32 for details.

2. Zoom slide lever

Used to adjust the projected image

appearance. See "Fine-tuning the image size

and clarity" on page 32 for details.

3. LENS SHIFT adjuster

Used to adjust the projector len left, right,

up or down. See "Shifting the projection

lens" on page 19 for details.

4. POWER indicator light

Lights up or flashes when the projector is

under operation. See "Indicators" on page

69 for details.

5. SOURCE

Displays the source selection bar. See

"Switching input signal" on page 44 for

details.

6. ◄ Left/ Decrease volume level

Decreases volume.

7. POWER

Toggles the projector between standby

mode and on.

See "Starting up the projector" on page 29

and "Shutting down the projector" on page

58 for details.

8. BACK

Goes back to previous OSD menu, exits and

saves menu settings.

Projector features12

Remote control

1. ON, OFF

Toggles the projector between on and off

mode.

2. 3D, INVERT

Launches the 3D menu and toggles the

invert function between on and off.

3. Arrow keys (▲ Up/▼ Down/◄ Left/

► Right)

When the On-Screen Display (OSD) menu

is activated, these keys are used as

directional arrows to select the desired

menu items and to make adjustments.

When the OSD menu is off and you are

under the MHL connection mode, these

arrows keys are available for controlling

your smart device.

4. OK

Confirms the selected OSD menu item.

When the OSD menu is off and you are

under the MHL connection mode, use the

key to confirm the selection on the OSD

of your smart device.

5. BACK

Goes back to previous OSD menu, exits

and saves menu settings.

When the OSD menu is off and you are

under the MHL connection mode, use the

key to return or exit the OSD menu of

your smart device.

6. , ,

•Mute: Toggles projector audio

between on and off.

•Volume Down: Decreases the

projector volume.

•Volume Up: Increases the projector

volume.

7. MHL Control buttons

( Backward, Play/Pause,

Forward, Rewind,

Stop, Fast forward)

Goes to the previous file/Plays/Pauses/

Goes to the next file/Rewinds/Stops/Fast-

forwards during media playback. Only

available when controlling your smart

device in MHL mode.

When you are under the MHL connection

mode and the OSD is off, these buttons are

available for controlling your smart device:

arrow keys, OK, BACK, and MHL control

buttons.

8. KEYSTONE

Launches the 2D Keystone window. Use

the Arrow keys to manually correct

distorted images resulting from an angled

projection.

9. Picture quality adjustment keys

These function keys perform the same

tasks as specified in the OSD menu.

Projector features 13

10. LIGHT

The LED backlight lights up and stays on

for approximately 30 seconds when

pressing any key on the remote control.

Pressing any other keys within the 10

second again turns the LED backlight off.

11. AUTO

Automatically determines the best picture

timings for the displayed image.

12. ECO BLANK

Used to blank the screen picture.

13. MENU

• Accesses the On-Screen Display

(OSD) menu.

• Goes back to previous OSD menu,

exits and saves menu settings.

14. SOURCE

Displays the source selection bar.

15. MODE

Selects an available picture mode.

16. FINE TUNE

Displays the Color Temperature Fine

Tuning window. See "Color

Temperature Fine Tuning" on page 59 for

details.

PIP and SWAP keys are not available.

Projector features14

Remote control effective range

Infra-Red (IR) remote control sensor is located on the

front and the top of the projector. The remote

control must be held at an angle within 30 degrees

perpendicular to the projector's IR remote control

sensor to function correctly. The distance between

the remote control and the sensor should not exceed

8 meters (~ 26 feet).

Make sure that there are no obstacles between the

remote control and the IR sensor on the projector

that might obstruct the infra-red beam.

Approx. ±30°

Projector features 15

Replacing the remote control battery

• Avoid excessive heat and humidity.

• There may be battery damage if the battery is incorrectly replaced.

• Replace only with the same or equivalent type recommended by the battery manufacturer.

• Dispose of the used battery according to the battery manufacturer’s instructions.

• Never throw a battery into a fire. There may be danger of an explosion.

• If the battery is dead or if you will not be using the remote control for a long time, remove

the battery to prevent damage to the remote control from possible battery leakage.

1. Remove the battery compartment cover by

sliding the cover in the direction of the

arrow.

2. Insert the supplied batteries taking note of

the polarity (+/-) as shown here.

3. Replace the cover.

Positioning your projector16

Positioning your projector

Choosing a location

Before choosing an installation location for your projector, take the following factors into

consideration:

• Size and position of your screen

• Electrical outlet location

• Location and distance between the projector and the rest of your equipment

You can install your projector in the following ways.

1. Front Table

Select this location with the projector placed near the floor in front of

the screen.

This is the most common way to position the projector for quick setup

and portability.

Turn on the projector and make the following settings:

MENU > Settings or System Setup : Basic > Projector Position

> Front

2. Rear Table

Select this location with the projector placed near the floor behind the

screen.

Turn on the projector and make the following settings:

MENU > Settings or System Setup : Basic > Projector Position

> Rear

A special rear projection screen is required.

3. Front Ceiling

Select this location with the projector suspended from the ceiling in

front of the screen.

Turn on the projector and make the following settings:

MENU > Settings or System Setup : Basic > Projector Position

> Front Ceiling

Purchase the BenQ Projector Ceiling Mount Kit from your dealer to mount

your projector on the ceiling.

4. Rear Ceiling

Select this location with the projector suspended from the ceiling behind

the screen.

Turn on the projector and make the following settings:

MENU > Settings or System Setup : Basic > Projector Position

> Rear Ceiling

A special rear projection screen and the BenQ Projector Ceiling Mount Kit

are required.

Positioning your projector 17

Obtaining a preferred projected image size

The projected image size is determined by the distance from the projector lens to the

screen, the zoom setting, and the video format.

Projection dimensions

Refer to "Dimensions" on page 72 for the center of lens dimensions of this projector

before calculating the appropriate position.

The screen aspect ratio is 16:9 and the projected picture is 16:9.

<A> <B>

<C>

<E>

<D>

<F>

<G>

Floor Installation

<F>: Screen <G>: Center of lens

<B>

<A>

<C>

<F>

<G>

<D>

<E>

Ceiling Installation

<F>: Screen <G>: Center of lens

Screen dimensions Projection distance <D> [mm] Lowest/Highest

lens position <E>

[mm]

Diagonal <A>

[inch (mm)]

Height

<B>

[mm]

Width

<C>

[mm]

Min

distance

(with max

zoom)

avg

M ax

distance

(with min

zoom) (min.) (max.)

36.4 (925) 454 806 - - 1500 68 125

40 (1016) 498 886 1018 1333 1647 75 137

50 (1270) 623 1107 1273 1666 2059 93 171

60 (1524) 747 1328 1528 1999 2471 112 205

70 (1778) 872 1550 1782 2332 2882 131 240

80 (2032) 996 1771 2037 2665 3294 149 274

90 (2286) 1121 1992 2291 2999 3706 168 308

100 (2540) 1245 2214 2546 3332 4118 187 342

110 (2794) 1370 2435 2800 3665 4529 205 377

120 (3048) 1494 2657 3055 3998 4941 224 411

130 (3302) 1619 2878 3310 4331 5353 243 445

140 (3556) 1743 3099 3564 4664 5765 262 479

150 (3810) 1868 3321 3819 4998 6177 280 514

160 (4064) 1992 3542 4073 5331 6588 299 548

170 (4318) 2117 3763 4328 5664 7000 318 582

180 (4572) 2241 3985 4583 5997 7412 336 616

190 (4826) 2366 4206 4837 6330 7824 355 651

196.4 (4989) 2446 4348 5000 - - 367 673

Positioning your projector18

There is 5% tolerance among these numbers due to optical component variations. BenQ

recommends that if you intend to permanently install the projector, you should physically test

the projection size and distance using the actual projector before you permanently install it, so

as to make allowance for this projector's optical characteristics. This will help you determine

the exact mounting position so that it best suits your installation location.

Positioning your projector 19

Shifting the projection lens

The lens shift control provides flexibility for installing your projector. It allows the

projector to be positioned off the center of the screen.

The lens shift is expressed as a percentage of the projected image width or height. It is

measured as an offset from the projected image’s horizontal or vertical center. You can

shift the projection lens within the allowable range depending on your desired image

position.

• Lens shift adjustment will not result in a degraded picture quality. In the unlikely event that

the image distortion is produced, see "Correcting keystone" on page 32 for details.

• Do not rotate the lens shift knob after you hear the click. Press lightly when rotating the

knob back to its original position.

Front Table

Normal projection position

Max

0/125V

0.025H 0/025H

Height of projected image

Width projected of image

Shift to Left Shift to Right

Front Ceiling

Max

0/125V

Vertical Shift

Vertical ft Shi

Height of projected image

Center of lens

Connection20

Connection

When connecting a signal source to the projector, be sure to:

1. Turn all equipment off before making any connections.

2. Use the correct signal cables for each source.

3. Ensure the cables are firmly inserted.

• In the connections shown below, some cables may not be included with the projector (see

"Shipping contents" on page 8). They are commercially available from electronics stores.

• The connection illustrations below are for reference only. The rear connecting jacks

available on the projector vary with each projector model.

*For updating the firmware.

1. USB cable*

2. VGA cable

3. HDMI cable

4. Component Video to VGA (D-Sub)

adapter cable

5. Component Video to Component

cable

6. Video cable

7. Audio L/R cable

8. Audio cable

9. HDMI-Micro USB cable

76 8

3 9

Notebook or desktop

computer A/V device

Speakers

Smartphone or

tablet PC

Connection 21

HDMI connection

HDMI (High-Definition Multimedia Interface) supports uncompressed video data

transmission between compatible devices like DTV tuners, DVD players, Blu-ray players

and displays over a single cable. You should use an HDMI cable when making a connection

between the projector and HDMI devices.

Notebook or desktop

computer A/V device

HDMI cable

Connection22

Smart devices connection

The projector can project the content directly from a MHL compatible smart device. Using

an HDMI to Micro USB cable or an HDMI to Micro USB adaptor, you can connect your

smart devices to the projector and then enjoy your content on the big screen.

Some smart devices may not be compatible to the cable that you use. Please consult the

manufacturer of your smart device for detailed information.

Using an HDMI to Micro USB cable

1. Connect one end of the HDMI to Micro USB cable to the HDMI input connector on

the projector.

2. Connect the other end of the HDMI to Micro USB cable to the Micro USB output

socket on your smart device.

3. Switch to the HDMI/MHL input source. To switch input signal, see "Switching input

signal" on page 44 for details.

HDMI to Micro USB cable

Connection 23

Using an HDMI to Micro USB adaptor and an HDMI cable

1. Connect one end of the HDMI cable to the HDMI input connector on the projector.

2. Connect the other end of the HDMI cable to the HDMI input socket on the adaptor.

3. Connect the other end of the adaptor to the Micro USB output socket on your

smart device.

4. Switch to the HDMI/MHL input source. To switch input signal, see "Switching input

signal" on page 44 for details.

HDMI cable

Connection24

Component Video connection

4. Component Video to VGA (D-Sub)

adapter cable

5. Component Video to Component

cable

7. Audio L/R cable

8. Audio cable

75 8

Notebook or desktop

computer A/V device

Speakers

Connection 25

Video connection

6. Video cable

7. Audio L/R cable

8. Audio cable

6 8

Notebook or desktop

computer A/V device

Speakers

Connection26

PC connection

• Many notebooks do not turn on their external video ports when connected to a projector.

Usually a key combo like FN + F3 or CRT/LCD key turns the external display on/o. Locate a

function key labeled CRT/LCD or a function key with a monitor symbol on the notebook.

Press FN and the labeled function key simultaneously. Refer to your notebook's

documentation to find your notebook's key combination.

1. USB cable

2. VGA cable

8. Audio cable

Notebook or desktop

computer A/V device

Speakers

Connection28

Playing sound through the projector

You can make use of the projector (mixed mono) speaker in your presentations, and also

connect separate amplified speakers to the AUDIO OUT socket of the projector.

If you have a separate sound system, you will most likely want to connect the audio output

of your Video source device to that sound system, instead of to the mono audio projector.

Once connected, the audio can be controlled by the projector On-Screen Display (OSD)

menus.

The table below describes the connection methods for different devices, and where the

sound is from.

Device PC Component/Video HDMI 1

HDMI 2/MHL

Audio input port AUDIO IN (mini jack) AUDIO (L/R) HDMI

The projector can play the

sound from... AUDIO IN (mini jack) AUDIO (L/R) HDMI

Audio output port AUDIO OUT AUDIO OUT AUDIO OUT

The selected input signal determines which sound will be played by the projector speaker, and

which sound will be output from the projector when AUDIO OUT is connected. If you select the

COMPUTER/PC signal, the projector can play the sound received from AUDIO IN mini jack. If you

select the COMPONENT/VIDEO signal, the projector can play the sound received from AUDIO

(L/R).

Operation 29

Operation

Starting up the projector

1. Plug the power cord into the projector and into

a wall socket. Turn on the wall socket switch

(where fitted). Check that the POWER

indicator light on the projector lights orange

after power has been applied.

Please use the original accessories (e.g. power cable)

only with the device to avoid possible dangers such as

electric shock and fire.

2. Press POWER on the projector or remote control to start the projector

and a start up tone sounds. The POWER indicator light flashes green and stays

green when the projector is on.

The fans starts operating, and a start-up image display on the screen while it warms

up. The projector does not respond to further commands whiles it is warm up.

(If necessary) Rotate the focus ring to adjust the image clearness.

To turn off the ring tone, see "Power On/Off Ring Tone" on page 60 for details.

If the projector is still hot from previous activity, it will run the cooling fan for approximately 90

seconds before energizing the lamp.

3. If this is the first time you turn on the projector, the setup wizard appears to guide

you through setting up the projector. If you have already done this, skip this step and

move on to step 5.

• Use the arrow keys (▲▼◄►/ / / ) on the projector or remote control to move

through the menu items.

• Use OK to confirm the selected menu item.

The Setup Wizard screenshots below are for reference only and may differ from the actual

design.

i. Specify Projector Position.

For more information about

projector position, see "Choosing a

location" on page 16.

Operation30

4. If you are prompted for a password, press the arrow keys to enter a six digit

password. See "Utilizing the password function" on page 41 for details.

5. Switch all of the connected equipment on.

ii. Specify OSD Language.

iii. Specify 2D Keystone.

• While the Auto V-Keystone is

• Press BACK for 2 seconds to

reset the Horizontal keystone

value

• Press ▲ ▼/ to turn off Auto V-

Keystone

• While the Auto V-Keystone is

Off

• Press OK for 2 seconds to

turn on Auto V-Keystone

• Press BACK to reset the

Vertical & Horizontal keystone

value

iv. Specify Auto Source Search.

v. Specify Menu Type.

Now you’ve completed the initial setup.

Operation 31

6. The projector will start to search for input signals. The current input signal being

scanned displays in the upper left corner of the screen. If the projector doesn't

detect a valid signal, the message 'No Signal' will continue displaying until an input

signal is found.

You can also press SOURCE on the projector or remote control to select your

desired input signal. See "Switching input signal" on page 44 for details.

If the frequency/resolution of the input signal exceeds the projector's operating range, you will

see the message 'Out of Range' displayed on a blank screen. Please change to an input signal

which is compatible with the projector's resolution or set the input signal to a lower setting. See

"Timing chart" on page 73 for details.

Adjusting the projected image

Adjusting the projection angle

The projector is equipped with 1 quick-release adjuster foot and 2 rear adjuster foot.

These adjusters change the image height and projection angle. To adjust the projector:

1. Press the quick-release button and lift the

front of the projector. Once the image is

positioned where you want it, release the

quick-release button to lock the foot in

position.

2. Screw the rear adjuster foot to fine tune the

horizontal angle.

To retract the foot, hold up the projector while

pressing the quick-release button, then slowly

lower the projector. Screw the rear adjuster foot

in a reverse direction.

If the projector is not placed on a flat surface or the screen and the projector are not

perpendicular to each other, the projected image becomes trapezoidal. To correct this

situation, see "Correcting keystone" on page 32 for details.

• Do not look into the lens while the lamp is on. The strong light from the lamp may cause

damage to your eyes.

• Be careful when you press the adjuster button as it is close to the exhaust vent where hot air

comes from.

Auto-adjusting the image

In some cases, you may need to optimize the picture quality. To do this, press AUTO on

the projector or remote control. Within 3 seconds, the built-in Intelligent Auto

Adjustment function will re-adjust the values of Frequency and Clock to provide the best

picture quality.

The current source information will be displayed in the upper left corner of the screen for

3 seconds.

• The screen will be blank while AUTO is functioning.

• This function is only available when PC signal (analog RGB) is selected.

2 2

Operation32

Fine-tuning the image size and clarity

1. Adjust the projected image to the size that you

need using the ZOOM slide lever.

2. Then sharpen the image by rotating the FOCUS

ring.

Correcting keystone

Keystoning refers to the situation where the projected image is noticeably wider at either

the top or bottom. It occurs when the projector is not perpendicular to the screen.

You may correct this in ONE of these ways.

•Using the remote control

Press KEYSTONE to display, the 2D Keystone window.

•Using the projector

Press ▲, ▼ ◄, or ► to display the 2D Keystone window.

• While the Auto V-Keystone is On

• Press BACK for 2 seconds to

reset the Horizontal keystone

value

• Press ▲ ▼/ to turn off Auto V-

Keystone

• While the Auto V-Keystone is Off

• Press OK for 2 seconds to turn

on Auto V-Keystone

• Press BACK to reset the Vertical

& Horizontal keystone value

Menu Functions 35

i. Go to the Menu Type menu.

ii. Use ▲ ▼/ to select Advanced and press OK.

iii. Press MENU again to access the Advanced OSD menu.

Next time when you turn on the projector, you may access the Advanced OSD menu by

pressing MENU.

Below is the overview of the Advanced OSD menu.

Likewise, when you wish to switch from the Advanced OSD menu to the Basic OSD

menu, follow the instructions below:

1. Go to the System Setup : Basic > Menu Settings > Menu Type menu.

2. Use ◄ ►/ to select Basic.

3. Press MENU again to access the Basic OSD menu.

Next time when you turn on the projector, you may access the Basic OSD menu by

pressing MENU.

Menu Functions36

Using the Basic OSD menu

Depending on whether or not any video signal is connected to the projector, the Basic

OSD menu offers different available functions.

Check the following links to learn more.

•"Basic OSD menu - with input signals connected" on page 36

•"Basic OSD menu - without input signals connected" on page 39 (limited menus are

available)

Basic OSD menu - with input signals connected

The Basic OSD menu provides primary menu functions. Available menu items may vary

depending on the connected video sources or specied settings. Menu options that are not

available will become grayed out.

To access the OSD menu, press MENU on the projector or remote control.

• Use the arrow keys (▲▼◄►/ / / ) on the projector or remote control to move through

the menu items.

• Use OK to confirm the selected menu item.

To switch from the Basic OSD menu to the Advanced OSD menu, see "About the OSD Menus"

on page 34.

Menu Submenus and Descriptions

Picture Mode

Selects a preset picture mode to suit your operating environment and

input signal picture type.

The preset picture modes are described as below:

•Bright: Maximizes the brightness of the projected image. This mode

is suitable for environments where extra-high brightness is required,

such as using the projector in well lit rooms.

•Vivid: With well-saturated color, fine-tuned sharpness and a higher

brightness level, Vivid mode is perfect for watching movies in a living

room where there is a small amount of ambient light.

•Cinema (Rec. 709): Complement the worldwide HDTV standard

with accurate color and deepest contrast at lower brightness level,

Cinema (Rec.709) mode is suitable for playing movies in a totally dark

environment, as if in a commercial cinema. To easily enjoy the

cinematic color retrieved from REC. 709 standard, we recommend

you shadow all possible lighting items except the projector (e.g.

lamps, computer screen, or light coming through curtains) and use a

standard format of 1080p image source like a Blu-ray disc to get the

best viewing experience under this mode.

•Game: Suitable for playing video games in a bright living room.

•3D: It is optimized to bring up 3D effects when watching 3D

contents.

This mode is only available when 3D function is enabled.

•User 1/User 2: Recalls the customized settings. Access the

Advanced: OSD menu and see User Mode Management for details.

The function is accessible through the remote control.

Menu Functions 37

Sound Mode

Selects a sound effect mode to your preference. The following preset

sound modes are provided: Standard, Cinema, Music, Game, Sport,

and User.

To specify the sound settings of the User mode, access the Advanced

OSD menu and see "User EQ" on page 51 for details.

If the Mute function is activated, adjusting Sound Mode will turn

off the Mute function.

Volume

Adjusts the volume level of the projector's internal speaker or the

volume being output from the audio output jack.

If the Mute function is activated, adjusting Volume will turn off

the Mute function.

The function is accessible through the remote control.

Mute

Selects On to temporarily turn off the projector's internal speaker or the

volume being output from the audio output jack.

To restore the audio, select Off.

The function is accessible through the remote control.

Motion Enhancer

Estimates the motion changes from frame to frame and inserts and

interpolated frame to create smoother, more fluent viewing experience

of movies.

3D Mode

This projector supports playing three-dimensional (3D) content

transferred through your 3D-compatible video devices and contents,

such as PlayStation consoles (with 3D game discs), 3D Blu-ray 3D players

(with 3D Blu-ray discs), 3D TV (with 3D channel), and so on. After you

have connected the 3D video devices to the projector, wear the BenQ

3D glasses and make sure the power is on to view 3D contents.

When watching 3D contents,

• The image may seem misplaced, however, this is not a product

malfunction.

• Take appropriate breaks when watching 3D content.

• Stop watching 3D content if you feel fatigue or discomfort.

• Keep a distance from the screen of about three times the

effective height of the screen when watching 3D content.

• Children and people with a history of oversensitivity to light,

heart problems, or have any other existing medical condition

should be refrained from watching 3D content.

The default setting is Auto and the projector automatically chooses an

appropriate 3D format when detecting 3D contents. If the projector

cannot recognize the 3D format, manually choose a 3D mode according

to your preference.

When this function is enabled:

• The brightness level of the projected image decreases.

• The Picture Mode cannot be adjusted.

• The 2D Keystone can only be adjusted within limited degrees.

The function is accessible through the remote control.

Menu Submenus and Descriptions

Menu Functions38

3D Sync Invert

When your 3D image is distorted, enable this function to switch between

the image for the left eye and the right eye for the more comfortable 3D

viewing experience.

The function is accessible through the remote control.

Settings Press OK to enter its submenu. See below for more details.

• 3D Sync Mode Selects a sync mode for your 3D glasses.

• Projector

Position

The projector can be installed on a ceiling or behind a screen, or with

one or more mirrors. See "Choosing a location" on page 16 for details.

• Test Pattern

Enables this function to display the grid test pattern, which helps you

adjust the image size and focus so as to check if the projected image is

free of distortion.

• Auto Source

Sets whether the projector searches automatically for input sources.

Select On to enable the projector to scan for input sources until it

acquires a signal. If the function is set to Off, the projector selects the

last used input source.

• Menu Type Switches to the Advanced OSD menu.

• HDMI Format

Selects an input source type for the HDMI signal. You can also manually

select the source type. The different source types carry different

standards for the brightness level.

HDMI Format is only available when the HDMI signal is selected.

• Reset Lamp

Timer

Activates this function only after a new lamp is installed. When you select

Reset, a "Reset Successfully" message displays to notify that the lamp

time has been reset to "0".

• Reset All

Settings

Returns all settings to the factory preset values.

The following settings will still remain: Keystone, Language,

Projector Position, and Reset Lamp Timer.

• Information

Displays the following information about your projector.

•Source: Displays the current signal source.

•Picture Mode: Displays the current Picture Mode.

•Resolution: Displays the native resolution of the input source.

•Color System: Displays input system format.

•Lamp Usage Time: Displays the number of hours the lamp has

been used.

•3D Format: Displays the current 3D mode.

3D Format is only available when 3D Mode is enabled.

•Firmware Version: Displays the firmware version of your

projector.

Some information is given only when certain input sources are in

use.

Menu Submenus and Descriptions

Menu Functions 39

Basic OSD menu - without input signals connected

As there’s no input signal to your projector, only the submenus of Settings under Basic

OSD menu - with input signals connected are available. Menu options that are not available

will become grayed out.

To access the OSD menu, press MENU on the projector or remote control.

• Use the arrow keys (▲▼◄►/ / / ) on the projector or remote control to move through

the menu items.

• Use OK to confirm the selected menu item.

To switch from the Basic OSD menu to the Advanced OSD menu, see "About the OSD Menus"

on page 34.

Menu Submenus and Descriptions

3D Sync Mode Selects a sync mode for your 3D glasses.

Projector Position The projector can be installed on a ceiling or behind a screen, or with

one or more mirrors. See "Choosing a location" on page 16 for details.

Test Pattern

Enables this function to display the grid test pattern, which helps you

adjust the image size and focus so as to check if the projected image is

free of distortion.

Auto Source Search

Sets whether the projector searches automatically for input sources.

Select On to enable the projector to scan for input sources until it

acquires a signal. If the function is set to Off, the projector selects the

last used input source.

Menu Type Switches to the Advanced OSD menu.

HDMI Format

Selects an input source type for the HDMI signal. You can also manually

select the source type. The different source types carry different

standards for the brightness level.

HDMI Format is only available when the HDMI signal is selected.

Reset Lamp Timer

Activates this function only after a new lamp is installed. When you select

Reset, a "Reset Successfully" message displays to notify that the lamp

time has been reset to "0".

Reset All Settings

Returns all settings to the factory preset values.

The following settings will still remain: Keystone, Language,

Projector Position, and Reset Lamp Timer.

Information

Displays the following information about your projector.

•Source: Displays the current signal source.

•Picture Mode: Displays the current Picture Mode.

•Resolution: Displays the native resolution of the input source.

•Color System: Displays input system format.

•Lamp Usage Time: Displays the number of hours the lamp has

been used.

•3D Format: Displays the current 3D mode.

3D Format is only available when 3D Mode is enabled.

•Firmware Version: Displays the firmware version of your

projector.

Some information is given only when certain input sources are in

use.

Menu Functions40

Using the Advanced OSD menu

The Advanced OSD menu offers complete menu functions.

The Advanced OSD menu overview above is for reference only and may differ from the actual

design and the projector model you are using.

To access the OSD menu, press MENU on the projector or remote control. It is consisted

of the following main menus. Check the links after the menu items below to learn more

details.

1. Picture menu (see "Picture menu" on page 45)

2. Audio Setup menu (see "Audio Setup menu" on page 51)

3. Display menu (see "Display menu" on page 52)

4. System Setup : Basic menu (see "System Setup : Basic menu" on page 54)

5. System Setup : Advanced menu

(see "System Setup : Advanced menu" on page 55)

6. Information menu (see "Information menu" on page 57)

Available menu items may vary depending on the connected video sources or specified

settings. Menu items that are not available will become grayed out.

• Use the arrow keys (▲▼◄►/ / / ) on the projector or remote control to move through

the menu items.

• Use OK to confirm the selected menu item.

To switch from the Advanced OSD menu to the Basic OSD menu, see page "About the OSD

Menus" on page 34.

Main menu icon

Main menu

Submenu

Select

Press BACK to

go back to the

window or to

exit.

Status

Current input

source

Menu Functions 41

Securing the projector

Using a security cable lock

The projector has to be installed in a safe place to prevent theft. Otherwise, purchase a

lock, such as a Kensington lock, to secure the projector. You can locate a Kensington lock

slot on the left side of the projector. See "Kensington anti-theft lock slot" on page 9 for

details.

A Kensington security cable lock is usually a combination of key(s) and a lock. Refer to the

lock’s documentation for finding out how to use it.

Utilizing the password function

For security purposes and to help prevent unauthorized use, the projector includes an

option for setting up password security. The password can be set through the On-Screen

Display (OSD) menu. For details of the OSD menu operation, please refer to "Using the

Advanced OSD menu" on page 40.

You will be inconvenienced if you activate the power-on lock functionality and subsequently

forget the password. Print out this manual (if necessary) and write the password you used in this

manual, and keep the manual in a safe place for later recall.

Setting a password

Once a password has been set, the projector cannot be used unless the correct password is

entered every time the projector is started.

1. Open the OSD menu and go to the System Setup: Advanced > Password menu.

Press OK. The Password page displays.

2. Highlight Power on Lock and select On by pressing ◄ ►/ .

3. As pictured to the right, the four arrow keys

( / / /▲▼◄►) respectively represent 4 digits (1,

2, 3, 4). According to the password you desire

to set, press the arrow keys to enter six digits

for the password.

4. Confirm the new password by re-entering the

new password.

Once the password is set, the OSD menu

returns to the Password page.

5. To activate the Power on Lock function, press

▲ ▼ ◄ ►/ to highlight Power on Lock and press / to select On.

The digits being input will display as asterisks on-screen. Write your selected password down

here in this manual in advance or right after the password is entered so that it is available to you

should you ever forget it.

Password: __ __ __ __ __ __

Keep this manual in a safe place.

6. To leave the OSD menu, press BACK.

Menu Functions 43

Changing the password

To do this, first and foremost, you have to access the Advanced OSD menu (see "About

the OSD Menus" on page 34 for details).

1. Open the OSD menu and go to the System Setup: Advanced > Password >

Change password menu.

2. Press OK. The message 'INPUT CURRENT PASSWORD' displays.

3. Enter the old password.

• If the password is correct, another message 'INPUT NEW PASSWORD'

displays.

• If the password is incorrect, the password error message displays lasting for three

seconds, and the message 'INPUT CURRENT PASSWORD' displays for

your retry. You can press BACK to cancel the change or try another password.

4. Enter a new password.

The digits being input will display as asterisks on-screen. Write your selected password down

here in this manual in advance or right after the password is entered so that it is available to you

should you ever forget it.

Password: __ __ __ __ __ __

Keep this manual in a safe place.

5. Confirm the new password by re-entering the new password.

6. You have successfully assigned a new password to the projector. Remember to enter

the new password next time the projector is started.

7. To leave the OSD menu, press BACK.

Disabling the password function

To disable password protection, go back to the System Setup: Advanced > Password

> Power on Lock menu after opening the OSD menu system. Select Off by pressing

◄ ►/ . The message 'INPUT PASSWORD' displays. Enter the current password.

i. If the password is correct, the OSD menu returns to the Password page with

Off show in the row of Power on Lock. You will not have to enter the

password next time you turn on the projector.

ii. If the password is incorrect, the password error message displays lasting for

three seconds, and the message 'INPUT PASSWORD' displays for your retry.

You can press BACK to cancel the change or try another password.

Though the password function is disabled, you need to keep the old password in hand should you

ever need to re-activate the password function by entering the old password.

Menu Functions44

Switching input signal

The projector can be connected to multiple devices at the same time. However, it can only

display one full screen at a time.

If you want the projector to always automatically search for the signals:

• Under the Advanced OSD menu, go to the System Setup : Basic menu, and enable

Auto Source Search. (see "Auto Source Search" on page 38)

• Under the Basic OSD menu, if there’s no signal connected to the projector, go to

Auto Source Search and enable it; if there are signals connected, go to the Settings

menu, and then enable Auto Source Search. (see "Auto Source Search" on page 38

and 39)

You can also manually cycle through the available input signals.

1. Press SOURCE on the projector or press input source

directly from the remote control. A source selection bar

displays.

2. Press ▲ ▼/ until your desired signal is selected and press

OK.

Once detected, the selected source information will

display on the screen for seconds. If there is multiple

equipment connected to the projector, repeat steps 1-2 to

search for another signal.

• The brightness level of the projected image will change

accordingly when you switch between different input signals. Data (graphic) "PC"

presentations using mostly static images are generally brighter than "Video" using mostly

moving images (movies).

• The native display resolution of this projector is in a 16:9 aspect ratio. For best display

picture results, you should select and use an input signal which outputs at this resolution.

Any other resolutions will be scaled by the projector depending upon the 'aspect ratio'

setting, which may cause some image distortion or loss of picture clarity. See "Aspect Ratio"

on page 52 for details.

You can also rename the source:

1. Press MENU and then press ◄ ►/ until the System Setup: Basic menu is

highlighted.

2. Press ▼ to highlight Source Rename and press OK. The Source Rename page

displays.

3. Press ▲▼◄►/ / / until your desired character is selected and press OK.

Menu Functions 45

Picture menu

Submenu Functions and Descriptions

Picture Mode

Selects a preset picture mode to suit your operating environment and input signal

picture type.

The preset picture modes are described as below:

•Bright: Maximizes the brightness of the projected image. This mode is

suitable for environments where extra-high brightness is required, such as

using the projector in well lit rooms.

•Vivid: With well-saturated color, fine-tuned sharpness and a higher brightness

level, Vivid mode is perfect for watching movies in a living room where there

is a small amount of ambient light.

•Cinema (Rec. 709): Complement the worldwide HDTV standard with

accurate color and deepest contrast at lower brightness level, Cinema

(Rec.709) mode is suitable for playing movies in a totally dark environment, as

if in a commercial cinema. To easily enjoy the cinematic color retrieved from

REC. 709 standard, we recommend you shadow all possible lighting items

except the projector (e.g. lamps, computer screen, or light coming through

curtains) and use a standard format of 1080p image source like a Blu-ray disc

to get the best viewing experience under this mode.

•Game: Suitable for playing video games in a bright living room.

•3D: It is optimized to bring up 3D effects when watching 3D contents.

This mode is only available when 3D function is enabled.

•User 1/User 2: Recalls the customized settings. Access the Advanced OSD

menu and see User Mode Management for details.

The function is accessible through the remote control.

Produkt Specifikationer

Mærke:	BenQ
Kategori:	videoprojektorer
Model:	HT4050
Vekselstrømsindgangsspænding:	100 - 240 V
Vekselstrømsindgangsfrekvens:	50 - 60 Hz
Bredde:	330 mm
Dybde:	120 mm
Højde:	247 mm
Vægt:	4200 g
Brugervejledning:	Ja
Produktfarve:	Grey, White
Indbygget skærm:	Ingen
Naturligt aspektforhold:	16:9
Understøttede videotilstande:	480i, 480p, 576i, 576p, 720p, 1080i, 1080p
3D:	Ja
Indbyggede højttaler(e):	Ja
Format til analogt signal:	NTSC, PAL, SECAM
Udgangseffekt (RMS):	10 W
Antal HDMI-porte:	2
Mobile High-Definition Link (MHL):	Ja
DVI-port:	Ingen
Antal USB 2.0-porte:	1
Komponentvideo (YPbPr/YCbCr) indgang:	1
Skærmvisning (OSD):	Ja
OSD-sprog:	ARA, BUL, CRO, CZE, DAN, DUT, FIN, FRE, GRE, HIN, HUN, IND, ITA, JPN, KAZ, KOR, NOR, POL, POR, RUM, RUS, SWE, THA, TUR
Strømforbrug (standby):	0.5 W
Strømforbrug (typisk):	350 W
Driftstemperatur (T-T):	0 - 40 °C
Markedspositionering:	Hjemmebiograf
Hurtig start guide:	Ja
Kabler inkluderet:	AC, RS-232
Batterier inkluderet:	Ja
Understøttede grafikopløsninger:	640 x 480 (VGA), 1920 x 1200 (WUXGA)
Sammensat videoindgang:	1
Støjniveau:	33 dB
Fjernbetjening inkluderet:	Ja
Strømkilde:	Vekselstrøm/batteri
Placering:	Loft
Antal indbyggede højttalere:	1
Pc lydindgang:	Ja
Slot til kabellås:	Ja
HDMI- stiktype:	Fuld størrelse
Antal farver:	1.073 milliarder farver
Lyd (L, R) indgang:	1
Kontrastforhold (typisk):	10000:1
Horisontal scanningsområde:	15 - 102 kHz
Antal VGA-porte (D-sub):	1
Garantibevis:	Ja
Brændviddeområde:	17.22 - 27.37 mm
Projektor lysstyrke:	2000 ANSI lumens
Projektionsteknologi:	DLP
Projektor indbygget opløsning:	1080p (1920x1080)
Skærmstørrelse kompatibilitet:	60 - 300 "
Projiceringsafstand:	- m
Trapezkorrektion, vertikal:	-30 - 30 °
Vertikalt scanningsområde:	23 - 120 Hz
Blændeområde (F-F):	2.42 - 3.05
Forskydning:	115 %
Throw-forhold:	1.15 - 1.86:1
RS-232-porte:	1
Levetid for lyskilde:	2000 t
Lampeeffekt:	260 W
Levetid for lyskilde (økonomisk tilstand):	3500 t
Lyskilde type:	Lampe
Seriel grænsefladetype:	RS-232
Trapezkorrektion, horisontal:	-30 - 30 °
Zoomforhold:	1.6:1
Støjniveau (økonomisk tilstand):	29 dB
Horisontalt område for optisk linseforskydning:	-2.5 - 2.5 %
Vandret område for optisk linseforskydning:	0 - 12.5 %
PC-lydudgang:	Ja
Mini-USB 2.0 porte, antal:	1
Fjernbetjening (IR) udgang:	2
12V udløser:	Ja
MHL version:	1.4