HP B321 User Manual

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B321/B421

HP LED Digital Signage Display User Guide

B321/B421

Safety Instructions

Warnings and Precautions

KNOW THESE SAFETY SYMBOLS

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

This symbol indicates high voltage is present inside. It is dangerous to make any kind of contact with any inside part of this product.

This symbol alerts you that important literature concerning operation and maintenance has been included with this product.

CAUTION: FCC/CSA regulations state that any unauthorized

changes or modications to this equipment may

void the user’s authority to operate it.

CAUTION: To prevent electric shock, match the wide blade

of plug to the wide slot, and fully insert the plug.

TO PREVENT DAMAGE WHICH MAY RESULT IN FIRE OR ELECTRIC SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

The Socket-outlet should be installed near the apparatus and be easily accessible.

Read and follow these instructions when connecting and using your Public Information Display:

• Unplug the display if you are not going to use it for an extensive period of time.

• Unplug the display if you need to clean it with a slightly damp cloth. The screen many be wiped with a dry cloth when the power is off. However, never use alcohol, solvents

or ammonia-based liquids.

• Consult a service technician if the display does not operate

normally when you have followed the instructions in this manual.

• The casing cover should be opened only by qualied service

personnel.

• Keep the display out of direct sunlight and away from stoves or any other heat sources.

• Remove any object that could fall into the vents or prevent proper cooling of the display’s electronics.

• Do not block the ventilation holes on the cabinet.

• Keep the display dry. To avoid electric shock, do not expose

it to rain or excessive moisture.

• If turning off the display by detaching the power cable, wait for 6 seconds before re-attaching the power cable for normal operation.

• To avoid the risk of shock or permanent damage to the set do not expose the display to rain or excessive moisture.

• When positioning the display, make sure the power plug and outlet are easily accessible.

• IMPORTANT: Always activate a screen saver program during your application. If a still image in high contrast remains on the screen for an extended period of time, it may leave an ‘after-image’ or ‘ghost image’ on the front of the screen. This is a well-known phenomenon that is caused by the shortcomings inherent in LCD technology. In most cases the afterimage will disappear gradually over a period of time after the power has been switched off. Be aware that the after-image symptom cannot be repaired and is not covered under warranty.

B321/B421

Important Safety Instructions

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat

registers, stoves, or other apparatus (including ampliers)

that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with

one wider than the other. If the provided plug does not t

into your outlet, consult an electrician for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

11. Only use attachments/accessories specied by the manufacturer.

12. Use only with the cart, stand, tripod, bracket,

or table specied by the manufacturer, or

sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or when unused for long periods of time.

14. Refer all servicing to qualied service personnel. Servicing

is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid

has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

WARNING: To prevent injury, this apparatus must be securely

attached to the oor/wall in accordance with the

installation instructions.

CAUTION: These servicing instructions are for use by

qualied service personnel only. To reduce the

risk of electric shock,do not perform any servicing other than that contained in the operating

instructions unless you are qualitied to do so.

CAUTION: Excessive sound pressure from earphones and

headphones can cause hearing loss. Adjustment

of the equalizer to maximum increases the

earphone and headphone output voltage and the sound pressure level. Therefore, to protect your

hearing, adjust the equalizer to an appropriate

level.

For UL/CUL application: For use only with UL Listed Wall Mount Bracket with minimum weight/load:

Model Viewable Image Size Minimum weight/load (kg)

B321 80.0cm(31.5 in.)diagonal 19.8

B421 106.7cm(42 in.)diagonal 35.7

For CB application: The equipment and its associated

mounting means still remain secure during the test.

Model

B321 6.6 200 × 100 M6 × (16 + X) B421 11.9 400 × 400 M6 × (20 + X)

Unit Weight

(kg)

VESA Size

(mm)

Mounting Screws*

(X=Thickness of wall-

mount plate)

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC

SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.

WARNING: Apparatus shall not be exposed to dripping or

splashing and no objects lled with liquids, such

as vases, shall be placed on the apparatus.

WARNING: The batteries (batteries installed) shall not be

exposed to excessive heat such as sunshine, re

or the like.

WARNING: The mains plug or appliance coupler is used as

the disconnect device,the disconnect device shall remain readily operable.

WARNING: To prevent the spread of re, keep candles or

other open ames away from this product at all

times.

iii

B321/B421

Federal Communications Commission (FCC) Notice (U.S. Only)

This equipment has been tested and found

to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when

the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy and,

if not installed and used in accordance with the instructions manual, may cause harmful interference to radio communications. Operation

of this equipment in a residential area is likely

to cause harmful interference in which case the

user will be required to correct the interference

at his own expense.

Changes or modications not expressly

approved by the party responsible for compliance could void the user’s authority to

operate the equipment.

Use only an RF shielded cable that was supplied with the display when connecting this display to a computer device.

To prevent damage which may result in re or shock hazard, do

not expose this appliance to rain or excessive moisture.

THIS CLASS B DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE CANADIAN INTERFERENCECAUSING EQUIPMENT REGULATIONS.

Electric, Magnetic and Electronmagnetic Fields (“EMF”)

1. We manufacture and sell many products targeted at consumers, which, like any electronic apparatus, in general have the ability to emit and receive electromagnetic signals.

2. One of our leading Business Principles is to take all necessary health and safety measures for our products, to

comply with all applicable legal requirements and to stay

well within the EMF standards applicable at the time of producing the products.

3. We are committed to develop, produce and market products that cause no adverse health effects.

4. We conrm that if its products are handled properly for their

intended use, they are safe to use according to scientic

evidence available today.

5. We play an active role in the development of international EMF and safety standards, enabling us to anticipate further developments in standardization for early integration in its products.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

B321/B421

Information for U.K. only

WARNING – THIS APPLIANCE MUST BE EARTHED.

Important:

(B)

(A)

This apparatus is supplied with an approved moulded 13A plug. To change a fuse in this type of plug proceed as follows:

1. Remove fuse cover and fuse.

2. Fit new fuse which should be a BS 1362 5A,A.S.T.A. or BSI approved type.

3. Ret the fuse cover.

If the tted plug is not suitable for your socket outlets, it should be cut off and an appropriate 3-pin plug tted in its place.

If the mains plug contains a fuse, this should have a value of 5A. If a plug without a fuse is used, the fuse at the distribution board should not be greater than 5A.

NOTE

: The severed plug must be destroyed to avoid a

possible shock hazard should it be inserted into a 13A socket elsewhere.

Before replacing the plug cover, make certain that the cord grip is clamped over the sheath of the lead – not simply over the three wires.

How to connect a plug

The wires in the mains lead are coloured in accordance with the following code:

BLUE – “NEUTRAL” (“N”)

BROWN – “LIVE” (“L”)

GREEN & YELLOW – “EARTH” (“E”)

1. The GREEN & YELLOW wire must be connected to the terminal in the plug which is marked with the letter “E” or by the Earth symbol or coloured GREEN or GREEN & YELLOW.

2. The BLUE wire must be connected to the terminal which is marked with the letter “N” or coloured BLACK.

3. The BROWN wire must be connected to the terminal which marked with the letter “L” or coloured RED.

B321/B421

≤200

China RoHS

中国电子信息产品污染控制标识要求

仅适用于非热带气候条件下安全使用 :

本产品有毒有害物质或元素的名称及含量标识表：

有毒有害物质或元素

零部件名称

塑料外框 O O O O O O 后壳 O O O O O O

CCFL X X O O O O

LCD

面板

LED X O O O O O

电源基板 X O O O O O 主基板 X O O O O O 按键基板 X O O O O O 底座 O O O O O O 电源线 X O O O O O 其他线材 X O O O O O 遥控器 X O O O O O *：电路板组件包括印刷电路板及其构成的零部件，如电阻、电容、

集成电路、连接器等。 ○：表示该有害物质在该部件所有均质材料中的含量均在SJ/

T11363-2006《电子信息产品中有毒有害物质的限量要求》规定的限量要求以下。

×：表示该有害物质至少在该部件的某一均质材料中的含量超出 SJ/T11363-2006《电子信息产品中有毒有害物质的限量要求》规定的限量要求；

备注：以上“×”的部件，部分含有有害物质超过是由于目前行业技术水平所限，暂时无法实现替代或减量化。

铅

(Pb)汞 (Hg)镉 (Cd)

六价铬

(Cr 6+)

多溴联苯

(PBBs)

多溴二苯醚

(PBDEs)

汉文仅适用于非热带气候条件下安全使用。

蒙古文

藏文

维文

壮文

Dan hab yungh youq gij dienheiq diuzgen mbouj dwg diegndat haenx ancienz sawjyungh.

仅适用于海拔 2000m 以下地区安全使用 :

汉文仅适用于海拔 2000m 以下地区安全使用。

蒙古文

藏文

维文

壮文 Hai dou gaxgonq, wngdang sien duenh denvasen bae.

“注意

汉文

蒙古文

如果电池更换不当会有爆炸危险只能用同样类型或等效类型的电池来更换”

环保使用期限

在产品本体上标示的该标志表示环境保护使用期限为

电子信息产品的环境保护使用期限是指电子信息产品中所含的有毒有害物质或元素不会向外部泄漏或出现突然变异，并且电子信息产品的用户在使用该电子信息产品时也不会对环境造成严重污染或对人体、财产带来严重损害的期限。

在环境保护期限中，请按照使用说明书使用本产品。

本环境保护使用不覆盖易损件：电池。

《废弃电子产品回收处理管理条例》提示性说明

为了更好地关爱及保护地球，当用户不再需要此产品或产品寿命终止时，请遵守国家废弃电器电子产品回收处理相关法律规定，将其交给当地具有国家认可的回收处理资质的厂商进行回收处理。

年。

藏文

维文

壮文

汉文

蒙古文

藏文

维文

壮文

“Louzsim Danghnaeuz denyouz vuenh ndaej mbouj habdangq aiq miz gij yungyiemj fatseng bauqcaq Cijndaej yungh gij denyouz doengzyiengh loihhingz roxnaeuz daengjyauq loihl haenx vuenh”

“接入本设备的有线网络天线必须与保护接地隔离 , 不然可能会引起着火等危险 !”

“Gij mizsienq vangjloz denhsen ciephaeuj bonj sezbi daeuj haenx itdingh aeu caeuq gij ciepdieg baujhoh doxliz, mboujne aiq miz gij yungyiemj dawzfeiz daengj!”

End-of-Life Disposal

Your new Public Information Display contains materials that can be recycled and reused. Specialized companies can recycle your product to increase the amount of reusable materials and to minimize the amount to be disposed of.

Please nd out about the local regulations on how to dispose of

your old display from your local dealer.

(For customers in Canada and U.S.A.)

This product may contain lead and/or mercury. Dispose of in accordance to local-state and federal regulations. For additional information on recycling contact www.eia.org (Consumer Education Initiative)

Waste Electrical and Electronie EquipmentWEEE

Attention users in European Union private households

This marking on the product or on its packaging illustrates that, under European Directive 2002/96/EC governing used electrical and electronic appliances, this product may not be disposed of with normal household waste. You are responsible for disposal of

this equipment through a designated waste electrical and electronic equipment collection.

To determine the locations for dropping off such waste electrical and electronic, contact your

local government ofce, the waste disposal

organization that serves your household or the store at which you purchased the product.

B321/B421

End of Life Directives-Recycling

Your new Public Information Display contains several materials that can be recycled for new users.

Please dispose of according to all Local, State, and Federal laws.

As an ENERGY STAR Partner, we have determined that this product meets the

ENERGY STAR guidelines for energy efciency.

vii

B321/B421

Table Of Contents

1. Unpacking and Installation ..................... 1

1.1. Unpacking ......................................... 1

1.2. Package Contents ............................. 1

1.3. Installation Notes ...............................1

1.4. Mounting on a Wall ............................ 1

2. Parts and Functions ................................ 3

2.1. Control Panel ....................................3

2.2. Input/Output Terminals ...................... 4

2.3. Remote Control ................................. 5

2.3.1. General functions .................... 5

2.3.2. Inserting batteries in the remote

control ..................................... 6

2.3.3. Handling the remote control .... 6

2.3.4. Operating range of the remote

control ..................................... 6

3. Connection ............................................... 7

3.1. Connecting External Equipments ...... 7

5.1.2. Sound menu .......................... 14

5.1.3. General settings menu .......... 14

5.2. Network Settings ............................. 15

6. Input mode ............................................. 16

7. Cleaning and Troubleshooting ............. 17

7.1. Cleaning .......................................... 17

7.2. Troubleshooting ...............................18

8. TechnicalSpecications ....................... 19

8.1. B321 ................................................ 19

8.2. B421 ................................................ 20

3.2. Connecting Multiple Displays ............ 8

3.2.1. RS232C control connection

(optional) ................................. 8

3.2.2. IR connection (optional) .......... 8

3.3. IR Pass-through Connection

(optional) ........................................... 8

3.4. Wire-connecting to Network

4. Operation ................................................ 10

4.1. Watch the Connected Video Source 10

4.2. Change Picture Format ................... 10

4.3. Play Multimedia Files ......................10

4.3.1. Play les from computer ....... 10

4.3.2. Play multimedia les from USB

device .................................... 10

4.4. Play options ..................................... 11

4.4.1. Playing music les ................ 11

4.4.2. Playing movie les ................ 12

(optional) 9

4.4.3. Playing photo les ................. 12

5. Change your settings ............................ 13

5.1. Settings ........................................... 13

5.1.1. Picture menu ......................... 13

viii

1. Unpacking and Installation

HDMI Cable

1.1. Unpacking

• This product is packed in a carton, together with the standard accessories.

• Any other optional accessories will be packed separately.

• Due to the size and weight of this display it is recommended for two people to move it.

• After opening the carton, ensure that the contents are complete and in good condition.

1.2. Package Contents

Please verify that you received the following items with your package content:

• LCD display

• Documention & Software Disc

• Remote control with AAA batteries

• Power cord (1.8 m)

• VGA cable (1.8 m)

• HDMI cable (1.8 m)

B321/B421

Remote Control

and AAA Batteries

* Only one power cord is provided with your display.

Disc

Power Cord For China

VGA Cable

For North America For UK

NOTE:

• Keep the package box and packing material for shipping the display.

1.3. Installation Notes

• Due to the high power consumption, always use the plug exclusively designed for this product. If an extended line is required, please

consult your service agent.

• The distance between the back of the product and the wall should be maintained for proper ventilation. Avoid installing the product in the kitchen, bathroom or any other places with high humidity so as not to shorten the service life of the electronic components.

• The product can normally operate only under 2000 m in altitude. In installations at altitudes above 2000 m, some abnormalities may be experienced.

• Note:Display models provided in this guide are available in select countries/regions.Go to www.hp.com/support for additional information.

1.4. Mounting on a Wall

To mount this display to a wall, you will have to obtain a standard wall-mounting kit. We recommend using a mounting interface that complies with UL1678 standard in North America.

B321/B421

B321:

100

Table

200

Protective Sheet

B421:

400

Table

400

Protective Sheet

1. Lay a protective sheet on a table, which was wrapped around the display when it was packaged, beneath the screen surface so as not to scratch the screen face.

2. Ensure you have all accessories for mounting this display.

3. Follow the instructions that come with the base mounting kit. Failure to follow correct mounting procedures could result in damage to

the equipment or injury to the user or installer. Product warranty does not cover damage caused by improper installation.

4. For the wall-mounting kit, use mounting screws and tighten them securely.

Model

VESA Size (mm)

Mounting Screws*

(X=Thickness of wall-mount plate)

B321 200 × 100 M6 × (16 + X)

B421 400 × 400 M6 × (20 + X)

Caution:

To prevent the display from falling:

• To lessen the probability of injury and damage resulting from fall of the display in case of earthquake or other natural disaster, be sure

to consult the bracket manufacturer for installation location.

Ventilation Requirements for enclosure locating

To allow heat to disperse, leave space between surrounding objects as shown in the diagram below.

100 mm

100 mm 100 mm

100 mm

NOTES: When installing the display on a wall, please consult a professional technician for proper installation. We accept no liability for

installations not performed by a professional technician.

The display can be installed on a wall and viewed in only the landscape position.

Using the display for more than 14 hours per day may result in image retention damage,which is not covered under the HP warranty.To avoid image tetention damage,always turn off the monitor when it is not in use.

This product does not support a single image video wall solution.

2. Parts and Functions

2.1. Control Panel

B321/B421

B321:

INPUT MENU

[ ] button

Press to switch the display on or off.

[ ] button

Press to select input source.

[ ] button

Press to access the OSD menu.

B421:

INPUT MENU

[ ] button

Press to move the highlight bar up to adjust the selected item while OSD menu is on.

[ ] button

Press to move the highlight bar down to adjust the selected item while OSD menu is on.

[ ] button

Press to increase the adjustment while OSD menu is on, or to increase the audio output level while OSD menu is off.

[ ] button

Press to decrease the adjustment while OSD menu is on, or to decrease the audio output level while OSD menu is off.

Remote control sensor and power status indicator

• Receives command signals from the remote control.

- Lights green when this display is turned on

- Lights red when this display is in standby mode

- Lights off when the main power of this display is turned off

B321/B421

2.2. Input/Output Terminals

B321:

1 2

3 4

AC IN

AC power input.

MAIN POWER SWITCH

Main power on/off switch.

HDMI IN

HDMI video/audio input.

DVI IN

DVI-D video input.

B421:

OUT

INOUT

LRL R

Y Pb Pr

2 1

3 4

Y Pb Pr

OUT

INOUT

LRL R

RJ-45

LAN control function for the use of remote control signal from control center.

VGA IN (D-Sub)

VGA video input.

COMPONENT IN (RCA)

Component YPbPr video source input.

AUDIO IN (RCA)

Audio input from external AV device.

AUDIO OUT (RCA)

Audio signal output to connect your external AV device.

AUDIO IN (3.5mm)

Audio input from your PC.

SPDIF OUT

Digital audio signal output to connect your external AV device.

IR OUT / 13 IR IN (3.5 mm)

IR signal output/input for the loop-through function.

NOTES:

• This display’s remote control sensor will stop working if the jack [IR IN] is connected.

• To remotely control your A/V device via this display, refer to page 8 for IR Pass Through connection.

RS232C OUT / 15 RS232C IN (2.5 mm)

RS232C network output/input for the loop-through function.

USB PORT

Connect your USB storage device.

2.3. Remote Control

2.3.1. General functions

B321/B421

NAVIGATION buttons

Navigate through menus and select items.

button

Conrm an entry or selection.

ADJUST button

Access currently available options, picture and sound menus.

BACK button

Return to the previous menu page or exit from the previous function.

VOLUME button

Adjust volume.

MUTE button

Press to turn the mute function on/off.

COLOR buttons

Select tasks or options.

NUMERIC buttons

Enter text for network setting.

POWER button

Switch this display on or off.

PLAY buttons

Control playback of media les.

SOURCE button

Select input source. Press [ ] or [ ] button to select from USB, Network, HDMI, DVI, YPbPr, AV, or VGA. Press [

] button to conrm and exit.

FORMAT button

Change picture format.

INFO button

Display information about current activity.

OPTIONS

Access currently available options, picture and sound menus.

HOME button

Access the OSD menu.

LIST

No function.

B321/B421

2.3.2. Inserting batteries in the remote control

The remote control is powered by two 1.5V AAA batteries.

To install or replace batteries:

1. Press and then slide the cover to open it.

2. Align the batteries according to the (+) and (–) indications inside the battery compartment.

3. Replace the cover.

Caution:

The incorrect use of batteries can result in leaks or bursting. Be sure to follow these instructions:

• Place “AAA” batteries matching the (+) and (–) signs on each battery to the (+) and (–) signs of the battery compartment.

• Do not mix battery types.

• Do not combine new batteries with used ones. It causes shorter life or leakage of batteries.

• Remove the dead batteries immediately to prevent them from liquid leaking in the battery compartment. Don’t touch exposed battery

acid, as it can damage your skin.

NOTE

: If you do not intend to use the remote control for a long period, remove the batteries.

2.3.3. Handling the remote control

• Do not subject to strong shock.

• Do not allow water or other liquid to splash the remote control. If the remote control gets wet, wipe it dry immediately.

• Avoid exposure to heat and steam.

• Other than to install the batteries, do not open the remote control.

2.3.4. Operating range of the remote control

Point the front of the remote control toward this display’s remote control sensor when pressing a button.

Use the remote control within a distance of less than 10m/33ft from this display’s sensor, and a horizontal and vertical angle of less than 30 degrees.

NOTE: The remote control may not function properly when the remote control

sensor on this display is under direct sunlight or strong illumination, or when there is an obstacle in the path of signal transmission.

30 30

3. Connection

NOTE: The peripherals and cables shown are for example purposes only.

3.1. Connecting External Equipments

B321/B421

USB

AC IN

RS232C

USB

INOUT

SPDIF

AUDIO

AUDIO OUT

AUDIO IN

STEREO AMPLIFIER

COMPONENT OUT (YPbPr)

AUDIO OUT

DVD / VCR / VCD

HDMI OUT

Y Pb Pr

HDMI IN DVI IN RJ-45 VGA IN COMPONENT IN

DVI OUT

AUDIO OUT

VGA OUT

B321/B421

3.2. Connecting Multiple Displays

3.2.1. RS232C control connection (optional)

DISPLAY 1 DISPLAY 2

[RS-232C]

[RS232C IN]

3.2.2. IR connection (optional)

DISPLAY 1 DISPLAY 2

[RS232C OUT]

[RS232C IN] [RS232C OUT]

External

IR Receiver

NOTE

: This display’s remote control sensor will stop working if the [IR IN] is connected.

[IR IN] [IR OUT] [IR IN]

3.3. IR Pass-through Connection (optional)

DISPLAY

[IR OUT]

DVD / VCR / VCD

[IR IN]

(DVD / VCR / VCD)

Remote Control

B321/B421

3.4. Wire-connecting to Network

If you connect this display to a network, you can play photos, music and videos from your computer. See Play multimedia les (Page 10) for more detail.

[RJ-45]

(optional)

INTERNET

ROUTER

[RJ-45]

To setup the network:

1. Switch on the router and switch on its DHCP setting.

2. Connect the router to this display with an Ethernet cable.

Press button to display the OSD menu.

4. Press or button to select the menu item {Network settings}. Press button to enter its submenu.

Press , , , , or number button to adjust its value. Press button to conrm.

NOTE: Connecting with a shielded CAT-5 Ethernet cable to comply with the EMC directive.

B321/B421

4. Operation

NOTE: The control button described in this section is mainly on

the remote control unless specied otherwise.

4.1. Watch the Connected Video Source

See page 7 for external equipments connection.

1. Press

2. Press button.

or button to select a device, then press

4.2. Change Picture Format

You can change the picture format to suit the video source. Each video source has its available picture formats.

The available picture formats depend on the video source:

1. Press

2. Press button.

• {Auto zoom}: Enlarge the picture to ll the screen.

• {Movie expand 16:9}: Scale 4:3 format to 16:9. Not

• {Wide screen}: Shows widescreen format content

• {Unscaled}: Provide maximum detail for PC. Only

• {4:3}: Display the classic 4:3 format.

or button to select a picture format, then press

Recommended for minimal screen distortion but not for HD or PC.

recommended for HD or PC.

unstretched. Not recommended for HD or PC.

available when PC mode is selected in the {Picture} menu.

button.

• For PC: Windows Media Player 11 (or higher) or TVersity

• For Mac: Twonky

2. Switch on media sharing on your computer using the media server. For more information on how to set up the media server, refer to the website of the media server.

Playles

1. Press

2. Select [Browse network], then press button.

3. Select a le from the content browser, then press button to start playing.

4. Press the Play buttons on the remote control to control playing.

button.

Tips:

• Select the top bar to lter your les by type.

• Select [Sort] to arrange the les by album name, artist, or other elds.

• To clear the list of ofine media servers, press

button, then select [Clearofineservers] and press button.

4.3.2. Play multimedia files from USB device

This display can play music, movie, WMV le formats or photo les from your USB device.

1. Connect your USB device to the USB port on this display.

USB

INOUT

4.3. Play Multimedia Files

You can play videos, photos, and music on your display from:

• Your computer connected through your network.

• A USB device connected to this display.

4.3.1. Play files from computer

To play les from computer, you will need:

• A wired network, connected with a Universal Plug and Play

(uPnP) router.

• Optional: A LAN cable that connects your display to your network.

• A media server running on your computer.

• Appropriate settings on your computer rewall to allow you

to run the media server.

Set up the network

1. Connect your display and the computer to the same network. See page 9 for connecting your display to a network.

2. Switch on your computer and the router.

NOTE: If the apparatus does not return to DLNA mode due

to external electrical disturbances (e.g. electrostatic

discharge), user intervention is required.

2. Press button.

RS232C

INOUT

SPDIF

AUDIO

AUDIO OUT

AUDIO IN

button, select

USB

, then press

Set up media sharing

1. Install a media server on your computer to share media les. These are some media servers:

B321/B421

3. The connected USB device is detected automatically for all

its playable les, which will be automatically sorted into 3

types: , , and .

4. Press the BACK button to go up to the top layer in the screen. Press button to select the le type. Press button to enter its play list.

5. Select the le you want. Press button to start playing.

6. Follow the on-screen instruction to control the play option.

7. Press the PLAY buttons ( playing.

H F G I J

) to control

Supportedlesystem:

• FAT32

Supportedleformat:

• Music: MP3, WMA, M4A, AAC, AC3

• Movie: AVI, MP4, MOV, MPG/MPEG

• Photo: JPEG, BMP, GIF

Caution:

• The manufacturer is not responsible if the USB device is not supported, nor is it responsible for damage to or loss of data in the device.

• Do not overload the USB port. If you connect a USB storage device that consumes more than 500mA power, make sure that it is connected to its own external power supply.

4.4. Play options

4.4.1. Playing music files

1. Select in the top bar.

2. Select one music track, then press button.

Album

05:051. Music

USB deviceSortPlay All OptionsInfo

• To play all the tracks in a folder, select one music le,

then select {Play All}.

• To skip to the next or previous track, press or button.

• To pause the track, press button. Press button again to resume playback.

To skip backward or forward 10 seconds, press or

•

button.

• To search backward or forward, press G or J button, press repeatedly to toggle between different speeds.

• To stop the music, press H button.

Music options

While you play music, press button, then press

button to select an option:

• {Repeat}: Select {Repeat} to play a track or an album repeatedly, or select {Play once} to play a track once.

• {Media Server}: When you play content from a media server, you can select another media server.

• {ShufeOn} / {ShufeOff}: Enable or disable random play of tracks.

NOTE: To view information about a song (for example, title,

artist or duration), select the song, then press

button. To hide the information, press

button again.

B321/B421

4.4.2. Playing movie files

1. Select in the top bar.

2. Select a video, then press button.

Track

USB devicePlay All OptionsInfo

• To play all the videos in a folder, select one video le,

then select {Play All}.

• To skip to the next or previous video, press or button.

• To pause the video, press button. Press button

again to resume playback.

To skip backward or forward 10 seconds, press or

•

button.

• To search backward or forward, press G or J

button, press repeatedly to toggle between different speeds.

• To stop the video, press H button.

Movie options

While playing video, press button, then press button to select an option:

• {Subtitles}: Select the available subtitle settings.

• {Subtitle Language}: Select the language for subtitles if

available.

• {Character Set}: Select the correct character set for the subtitles.

• {Audio Language}: Select an audio language.

• {Repeat}: Select {Repeat} to play the video le repeatedly or {Play once} to play the video le once.

• {Media server}: When you play content from a media

server, you can select another media server.

• {ShufeOn} / {ShufeOff}: Enable or disable random play of video les.

NOTE: To view information about a video (for example, played

position, duration, title, or date), select the video, then press button. To hide the information, press

button again.

4.4.3. Playing photo files

1. Select in the top bar.

2. Select a photo thumbnail, then press button.

Date

USB deviceSortPlay All OptionsInfo

Start a slideshow

If there are multiple photos in a folder, select a photo, then select {Play All}.

To skip to the previous or next photo, press or button,

•

and then press button.

• To stop the slideshow, press H button.

Slideshow options

While you play a slideshow, press button, then press button to select an option:

• {ShufeOff} / {ShufeOn}: Enable or disable random display of pictures in the slideshow.

• {Repeat}: Select {Repeat} to watch a slideshow repeatedly or {Play once} to watch once.

• {Slideshow Time}: Select the displaying time for each photo in the slideshow.

• {Slideshow Transitions}: Select the transition from one photo to the next.

• {Media Server}: When you play content from a media server, you can select another media server.

B321/B421

5. Change your settings

Using the remote control:

1. Press button to display the OSD menu.

Press , , , or button to select its menu item or to adjust

2. its value. Press button to conrm.

Press button to go back to the previous menu

3. layer.

4. Press button to exit the OSD menu.

Using this display’s control buttons:

5.1. Settings

5.1.1. Picture menu

Picture

Sound

General settings

Network settings

Picture style

Select a predened picture setting.

Restore style

Restore the last-selected predened picture setting.

Backlight

Adjust the brightness of this display’s backlight.

Picture style

Restore style

Backlight

Contrast

Brightness

Colour

Sharpness

Advanced

Game or computer

Foramat and edges

INPUT MENU

1. Press button to display the OSD menu.

2. Press[ ] [ ] [ ] or [ ] button to select menu item or adjust its value.

3. Press button to conrm menu selection and enter its submenu.

4. Press button to exit the OSD menu.

Contrast

Adjust video contrast.

Brightness

Adjust screen brightness.

Colour

Adjust the colour saturation of the picture.

Sharpness

Adjust the sharpness of the picture.

Advanced

Access advanced settings such as gamma, tint settings and video contrast settings.

• {Noise reduction}: Select the amount of noise reduction for the picture.

• {Gamma}: Adjust the non-linear setting for picture luminance and contrast.

• {Color temp.}: Change the colour balance.

• {Custom color temp.}: Customise colour balance

setting.

• {Advanced sharpness}: Enable superior sharpness, especially on lines and contours in the picture.

• {Dynamic contrast}: Dynamically enhance the details in the dark, medium and light areas of the picture.

• {Dynamic backlight}: Select a backlight level to optimise dynamic power consumption and picture contrast.

• {Colour enhancement}: Dynamically enhance the

• vividness and details of colours.

B321/B421

Game or computer

When viewing content from a connected game console, select {Game} to apply game settings. When a computer is connected through HDMI, select {Computer}.

Make sure that {Format and edges}  {Picture format}  {Unscaled} is selected so as to view maximum detail.

Format and edges

Access advanced settings to control the displaying format of the picture.

• {Picture format}: Change the picture format.

• {Screen edges}: Change the picture size.

• {Picture shift}: If available, move the position of the

picture.

5.1.2. Sound menu

Picture

Sound

General settings

Network settings

Sound style

Restore style

Bass

Treble

Audio out

Advanced

5.1.3. General settings menu

Picture

Sound

General settings

Network settings

Menu language

Select language used for OSD menus.

Monitor id

Set the ID number for controlling this display via the RS232C

connection. Each display must have a unique ID number when

multiple sets of this display are connected.

Eco mode

Set this display to reduce the power consumption automatically.

Menu language

Monitor id

Eco mode

Auto search

Clock

USB scheduling

Sleep timer

Auto switch off

Control settings

Factory settings

Sound style

Access predened sound settings.

Restore style

Restore the last-selected predened sound setting.

Bass

Adjust the bass level of the speaker and headphones.

Treble

Adjust the treble level of the speaker and headphones.

Audio out

Adjust audio output volume.

Advanced

Access advanced settings to enhance your audio experience.

• {Auto volume leveling}: Enable the reduction of sudden volume changes.

• {Speaker}: Turn on or off the internal speakers.

• {Clear sound}: Enhance sound quality.

• {Audio out format}: Select the type of audio output

through the digital audio output connector.

• {Audio out delay}: Automatically sync the image on this display to the audio from a connected home theatre.

• {Audio out offset}: Adjust the setting for audio output delay. Available if {Audio out delay} is switched on.

Auto search

Choose to let this display detect and display available signal sources automatically.

Clock

Adjust clock settings.

USB scheduling

This function allows you to program up to 3 different scheduled time intervals for this display to activate, and auto play USB

media le of your setting.

After changing the {Clock} option in the {General settings} menu, you need to set this {USB scheduling} again.

Sleep timer

Switch off this display after a specied time.

Auto switch off

Set the time for this display to be switched off after a period of no activity. Press any key on the remote control to disable this function.

Control settings

• {Local KB lock}: Choose to enable or disable the keyboard (control buttons) function of this display.

• {Unlock}: Enable the keyboard function.

• {Lock all}: Lock all keyboard function.

• {Lock but volume}: Disable all the keyboard function

except the and button.

• {Lock but power}: Disable all the keyboard function

except the button.

• {RC lock}: Choose to enable or disable the button function of the remote control.

• {Unlock}: Enable the button function.

• {Lock all}: Lock all button function.

• {Lock but volume}: Disable all the button function except the button.

• {Lock but power}: Disable all the button function except the button.

NOTE: To disable the lock function from [Local KB lock] or

[RC lock] item, press buttons 1 9 9 8 on the remote control.

Factory settings

Reset all your customized settings to the factory defaults.

5.2. Network Settings

B321/B421

Picture

Sound

General settings

Network settings

View network settings

Network configuration

Static IP configuration

Digital Media Render...

Network name

View network settings

View connected network status.

Network settings

Select how this display should assign addresses to the network resources.

StaticIPConguration

Assign {IP address}, {Netmask}, {Gateway}, {DNS1}, and {DNS2} for this display.

Digital Media Renderer - DMR

Receive multimedia les from Smart Phones or Tablets

connected to your network.

Network name

Rename this display for easy identication if you have more

than one display connected to your network.

B321/B421

6. Input mode

PC Resolution:

Standard

Resolution

VGA 640

WVGA 720 400 70 Hz 33.75 MHz 16:9 Wide Video Graphic Array

SVGA 800

XGA 1024

WXGA 1280 768 60 Hz 79.5 MHz 5:3 Wide XGA

WXGA 1280 800 60 Hz 79.5 MHz 16:10 Wide XGA

SXGA 1280 1024 60 Hz 108 MHz 5:4 Super XGA

WXGA 1360 768 60 Hz 85.5 MHz 16:9 Wide XGA

UXGA 1600 1200 60 Hz 162 MHz 4:3 Ultra XGA

HD1080 1920 1080 60 Hz 148.5 MHz 16:9 HD1080

Active Resolution

H Pixels V Lines

480 60 Hz 25.175 MHz

480 75 Hz 31.5 MHz

600 60 Hz 40 MHz

600 75 Hz 49.5 MHz

768 60 Hz 65 MHz

768 75 Hz 78.75 MHz

Refresh Rate Pixel Rate Aspect Ratio Stand for Mode

4:3 Video Graphic Array480 72 Hz 31.5 MHz

4:3 Super VGA

4:3 Extended Graphic Array

SDTV Resolution:

Standard

Resolution

480i

480p 59.94 Hz 27 MHz

576i

576p 50 Hz 27 MHz

Active Resolution

H Pixels V Lines

720 480

Refresh Rate Pixel Rate Aspect Ratio Stand for Mode

29.97 Hz 13.5 MHz

25 Hz 13.5 MHz

4:3 Modied NTSC Standard

4:3 Modied PAL Standard

HDTV Resolution:

Standard

Resolution

720p 1280 720

1080i 1920 1080

1080p 1920 1080

• The PC text quality is optimum in HD 1080 mode (1920 × 1080, 60 Hz).

• Your PC display screen might appear different depending on the manufacturer (and your particular version of Windows).

• Check your PC instruction book for information about connecting your PC to a display.

• If a vertical and horizontal frequency-select mode exists, select 60 Hz (vertical) and 31.5 KHz (horizontal). In some cases, abnormal

signals (such as stripes) might appear on the screen when the PC power is turned off (or if the PC is disconnected). If so, press the [ ] button to enter the video mode. Also, make sure that the PC is connected.

• When horizontal synchronous signals seem irregular in RGB mode, check PC power saving mode or cable connections.

• This display settings table complies to the IBM/VESA standards, and based on the analog input.

• The DVI support mode is regarded as same to the PC support mode.

• The best timing for the vertical frequency to each mode is 60 Hz.

Active Resolution

H Pixels V Lines

Refresh Rate Pixel Rate Aspect Ratio Stand for Mode

50 Hz

60 Hz

25 Hz

30 Hz

50 Hz

60 Hz

74.25 MHz 16:9 Normally DVB Mode

74.25 MHz 16:9 Normally ATSC Mode

148.5 MHz 16:9 Normally ATSC Mode

B321/B421

7. Cleaning and Troubleshooting

7.1. Cleaning

Caution When Using the Display

• Do not bring your hands, face or objects close to the ventilation holes of the display. The top of the display is usually very hot due to the high temperature of exhaust air being released through the ventilation holes. Burns or personal injuries may occur if any body parts are brought too close. Placing any object near the top of the display could also result in heat related damage to the object as well as the display itself.

• Be sure to disconnect all cables before moving the display. Moving the display with its cables attached may damage the cables and thus cause re or electric shock.

• Disconnect the power plug from the wall outlet as a safety precaution before carrying out any type of cleaning or maintenance

procedure.

Front Panel Cleaning Instructions

• The front of the display has been specially treated. Wipe the surface gently using only a cleaning cloth or a soft, lint-free cloth.

• If the surface becomes dirty, soak a soft, lint-free cloth in a mild detergent solution. Wring the cloth to remove excess liquid. Wipe

the surface of the display to remove dirt. Then use a dry cloth of the same type to dry.

• Do not scratch or hit the surface of the panel with ngers or hard objects of any kind.

• Do not use volatile substances such as insert sprays, solvents and thinners.

Cabinet Cleaning Instructions

• If the cabinet becomes dirty, wipe the cabinet with a soft, dry cloth.

• If the cabinet is extremely dirty, soak a lint-free cloth in a mild detergent solution. Wring the cloth to remove as much moisture as

possible. Wipe the cabinet. Use another dry cloth to wipe over until the surface is dry.

• Do not allow any water or detergent to come into contact with the surface of the display. If water or moisture gets inside the unit, operating problems, electrical and shock hazards may result.

• Do not scratch or hit the cabinet with ngers or hard objects of any kind.

• Do not use volatile substances such as insert sprays, solvents and thinners on the cabinet.

• Do not place anything made from rubber or PVC near the cabinet for any extended periods of time.

B321/B421

7.2. Troubleshooting

Symptom Possible Cause Remedy

No picture is displayed 1. The power cord is disconnected.

2. The main power switch on the back of the display is not switched on.

3. The selected input has no connection.

4. The display is in standby mode.

Interference displayed on the display or audible noise is heard

Color is abnormal The signal cable is not connected properly. Make sure that the signal cable is attached

Picture is distorted with abnormal patterns

Displayimagedoesn’tllupthefullsize

of the screen

Can hear sound, but no picture Improperly connected source signal cable. Make sure that both video inputs and sound

Caused by surrounding electrical appliances

or uorescent lights.

1. The signal cable is not connected properly.

2. The input signal is beyond the capabilities of the display.

The zoom mode is not correctly set. Use the Zoom mode or Custom zoom

1. Plug in the power cord.

2. Make sure the power switch is switched on.

3. Connect a signal connection to the display.

Move the display to another location to see is the interference is reduced.

rmly to the back of the display.

1. Make sure that the signal cable is

attached rmly.

2. Check the video signal source to see if it is beyond the range of the display.

Please verify its specications with this display’s specication section.

function in the Screen menu to ne tune display geometry and time frequency

parameter.

inputs are correctly connected.

Can see picture but no sound is heard 1. Improperly connected source signal

cable.

2. Volume is turned all the way down.

3. [MUTE] is turned on.

4. No external speaker connected.

Some picture elements do not light up

After-Images can still be seen on the display after the display is powered off. (Examples of still pictures include logos, video games, computer images, and images displayed in 4:3 normal mode)

Some pixels of the display may not turn on. This display is manufactured using an

A still picture is displayed for an over extended period of time

1. Make sure that both video inputs and sound inputs are correctly connected.

2. Press [ ] or [ ] button to hear sound.

3. Switch MUTE off by using the [ ] button.

4. Connect external speakers and adjust the volume to a suitable level.

extremely high level of precision technology: however, sometimes some pixels of the display may not display. This is not a malfunction.

Do not allow a still image to be displayed for an extended period of time as this can cause a permanent after-image to remain on the display.

8. Technical Specifications

8.1. B321

Display:

Item Specications

Screen Size (Active Area) 31.5” LCD (80 cm) Aspect Ratio 16:9 Number of Pixels 1920 (H) × 1080 (V) Pixel Pitch 0.36375 (H) × 0.36375 (V) [mm] Displayable Colors 16.7 Million colors Brightness 350 cd/m² Contrast Ratio (Typical) 3000:1 Viewing Angle 178 degrees

In/Out Terminals:

Item Specications

Speaker Output Internal Speakers 5W (L) + 5W (R) [RMS]/16Ω, 1 Way 1 Speaker System

82 dB/W/M/160 Hz ~ 13 KHz Audio Output RCA Jack × 2 0.5V [rms] (Normal) / 2 Channel (L+R) Audio Input 3.5 mm Stereo × 1

RCA Jack × 2 RS232C Input/Output LAN RJ-45 Jack × 1 (8 pin) 10/100 LAN Port HDMI Input HDMI Jack × 1

DVI-D Input DVI-D jack Digital RGB: TMDS (Video) VGA Input D-Sub Jack × 1

Component Input RCA Jack × 3 Y: 1V [p-p] (75Ω), Pb: 0.7V [p-p] (75Ω), Pr: 0.7V [p-p] (75Ω)

SPDIF Output SPDIF Port Serial digital audio output when input is HDMI IR Input/Output 3.5 mm × 2 IR pass through or IR daisy chain USB Input USB × 1 (Type B) USB 2.0, External PC connection

2.5 mm × 2 TXD + RXD (1:1)

(Type A) (19 pin)

(15 pin)

0.5V [rms] (Normal) / 2 Channel (L+R)

Digital RGB: TMDS (Video + Audio)

MAX: Video: 720p, 1080p, 1920 × 1080/60 Hz (WUXGA)

Audio: 48 KHz / 2 Channel (L+R)

Supports LPCM only

Analog RGB: 0.7V [p-p] (75Ω), H/CS/V: TTL (2.2kΩ), SOG: 1V [p-p] (75Ω)

MAX: 720p, 1080p, 1920 × 1080/60 Hz (WUXGA)

MAX: 480i, 576i, 480p, 576p, 720p, 1080i, 1080p

B321/B421

General:

Item Specications

Power Input 100-240V 50-60Hz, 1.5A Power Consumption (Max.) 68 W Power Consumption (Typical) 55 W Power Consumption (EPA6.0) 40 W Power Consumption (Standby & Off) < 0.5W (OSD: APM mode off) Dimensions [W × H × D] 745 × 439.5 × 39.8 mm Weight 6.6 Kg

Gross Weight 9.0 Kg

Environmental Condition:

Item Specications

Temperature

Humidity

Altitude

Operational 5 ~ 40°C

Storage -20 ~ 60°C

Operational 20 ~ 80% RH (No condensation)

Storage 10 ~ 90% RH (No condensation)

Operational 0 ~ 2,000 m

Storage 0 ~ 5,000 m

B321/B421

8.2. B421

Display:

Item Specications

Screen Size (Active Area) 42” LCD (106.7 cm)

Aspect Ratio 16:9

Number of Pixels 1920 (H) × 1080 (V)

Pixel Pitch 0.4845 (H) × 0.4845 (V) [mm]

Displayable Colors 16.7 Million colors

Brightness 350 cd/m²

Contrast Ratio (Typical) 3000:1

Viewing Angle 178 degrees

In/Out Terminals:

Item Specications

Speaker Output Internal Speakers 7W (L) + 7W (R) [RMS]/16Ω, 1 Way 1 Speaker System

82 dB/W/M/160 Hz ~ 13 KHz

Audio Output RCA Jack × 2 0.5V [rms] (Normal) / 2 Channel (L+R)

Audio Input 3.5 mm Stereo × 1

RCA Jack × 2

RS232C Input/Output 2.5 mm × 2 TXD + RXD (1:1)

LAN RJ-45 Jack × 1 (8 pin) 10/100 LAN Port

HDMI Input HDMI Jack × 1

(Type A) (19 pin)

DVI-D Input DVI-D jack Digital RGB: TMDS (Video)

VGA Input D-Sub Jack × 1

(15 pin)

Component Input RCA Jack × 3 Y: 1V [p-p] (75Ω), Pb: 0.7V [p-p] (75Ω), Pr: 0.7V [p-p] (75Ω)

SPDIF Output SPDIF Port Serial digital audio output when input is HDMI

IR Input/Output 3.5 mm × 2 IR pass through or IR daisy chain

USB Input USB × 1 (Type B) USB 2.0, External PC connection

0.5V [rms] (Normal) / 2 Channel (L+R)

Digital RGB: TMDS (Video + Audio)

MAX: Video: 720p, 1080p, 1920 × 1080/60 Hz (WUXGA)

Audio: 48 KHz / 2 Channel (L+R)

Supports LPCM only

Analog RGB: 0.7V [p-p] (75Ω), H/CS/V: TTL (2.2kΩ), SOG: 1V [p-p] (75Ω)

MAX: 720p, 1080p, 1920 × 1080/60 Hz (WUXGA)

MAX: 480i, 576i, 480p, 576p, 720p, 1080i, 1080p

General:

Item Specications

Power Input 100-240V 50-60Hz, 2.5A

Power Consumption (Max.) 104 W

Power Consumption (Typical) 88 W

Power Consumption (EPA6.0) 61 W

Power Consumption (Standby & Off) < 0.5W (OSD: APM mode off)

Dimensions [W × H × D] 980.4 × 572.9 × 38.5 mm

Weight 11.9 Kg

Gross Weight 15.3 Kg

Environmental Condition:

Item Specications

Temperature

Humidity

Altitude

Operational 5 ~ 40°C

Storage -20 ~ 60°C

Operational 20 ~ 80% RH (No condensation)

Storage 10 ~ 90% RH (No condensation)

Operational 0 ~ 2,000 m

Storage 0 ~ 5,000 m

© 2013,Hewlett Packard Development Company, L.P. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. This document contains proprietary information that is protected by copyright. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company.

Document Part Number: 749839-001 First Edition (January 2014)

Specications are subject to change without notice.

HP B321 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

1. Unpacking and Installation

1.1. Unpacking

1.2. Package Contents

1.3. Installation Notes

1.4. Mounting on a Wall

2. Parts and Functions

2.1. Control Panel

2.2. Input/Output Terminals

2.3. Remote Control

2.3.1. General functions

2.3.2. Inserting batteries in the remote control

2.3.3. Handling the remote control

2.3.4. Operating range of the remote control

3. Connection

3.1. Connecting External Equipments

3.2. Connecting Multiple Displays

3.2.1. RS232C control connection (optional)

3.2.2. IR connection (optional)

3.3. IR Pass-through Connection (optional)

4. Operation

4.1. Watch the Connected Video Source

4.2. Change Picture Format

4.3.2. Play multimedia files from USB device

4.3. Play Multimedia Files

4.3.1. Play files from computer

4.4. Play options

4.4.1. Playing music files

4.4.2. Playing movie files

4.4.3. Playing photo files

5. Change your settings

5.1. Settings

5.1.1. Picture menu

5.1.2. Sound menu

5.1.3. General settings menu

5.2. Network Settings

6. Input mode

7. Cleaning and Troubleshooting

7.1. Cleaning

7.2. Troubleshooting

8. Technical Specifications

8.1. B321

8.2. B421