Yamaha NX-B55 Bruksanvisning

varumärke: Yamaha

Modell: NX-B55

Typ: Bruksanvisning

BLUETOOTH SPEAKER SYSTEM

SYSTEME D’ENCEINTES BLUETOOTH

NX-B55

OWNER’S MANUAL

MODE D’EMPLOI

MANUAL DE INSTRUCCIONES

ULV

En Fr Es

Feartures

Plays a variety of contents with high-quality sound.

Playing wirelessly via B luetooth and connecting the audio cable to AUDIO

INPUT connector allows you to connect a variety of external devices, such as

mobile phones, computers, portable players, etc.

AUTO STANDBY

When no sound is input for a period of time, the speakers go to standby

mode automatically.

Since you do not have to turn on/off the power every time, you can save

energy.

Loudness control

The Loudness control function of the speakers allows you to enjoy rich bass

tone sounds even at low volumes.

Reproduce una amplia gama de contenido con sonido de

alta calidad.

La reproducción inalámbrica mediante Bluetooth y la conexión del cable de

audio al conector AUDIO INPUT permite conectar una amplia gama de

dispositivos externos, como teléfonos móviles, ordenadores, reproductores

portátiles, etc.

AUTO STANDBY

Si no se recibe señal de sonido durante un periodo determinado, los altavoces

entran automáticamente en modo de reposo.

Como no es necesario encender y apagar los altavoces cada vez, se ahorra

energía.

Control de sonoridad

La función de control de sonoridad de los altavoces permite disfrutar de

graves con matices incluso si el sonido está a volumen bajo.

Lecture de divers types de contenu avec une grande

qualité sonore.

La lecture sans fil via Bluetooth et le branchement du câble audio au

connecteur AUDIO INPUT vous permet de raccorder différents

périphériques externes, tels que des téléphones portables, des ordinateurs,

des lecteurs portables, etc.

AUTO STANDBY

Lorsqu’aucun signal n’est détecté pendant une période définie, les enceintes

passent automatiquement en mode veille.

Il n’est pas nécessaire d’allumer ou d’éteindre systématiquement les

enceintes ; vous économisez donc de l’énergie.

Commande de la correction physiologique

La commande de la correction physiologique des enceintes permet

d’amplifier la puissance des graves, même à faibles niveaux d’écoute.

Features English

Características Español

Fonctionnalités Français

i En

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 amplifiers) that produce heat.

9 Do not defeat the safety purpose of the polarized or groundingtype plug. A

polarized plug has two blades with one wider than the other. A grounding type

plug has two blades and a third grounding prong. The wide blade or the third

prong are provided for your safety. If the provided plug does not fit 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 specified by the manufacturer.

12 Use only with the cart, stand, tripod, bracket, or table specified 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 qualified 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.

We Want You Listening For A Lifetime

Yamaha and the Electronic Industries Association’s Consumer

Electronics Group want you to get the most out of your equipment by

playing it at a safe level. One that lets the sound come through loud and

clear without annoying blaring or distortion - and, most importantly,

without affecting your sensitive hearing. Since hearing damage from

loud sounds is often undetectable until it is too late, Yamaha and the

Electronic Industries Association’s Consumer Electronics Group

recommend you to avoid prolonged exposure from excessive volume

levels.

IMPORTANT SAFETY INSTRUCTIONS

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

• Explanation of Graphical Symbols

The lightning flash with arrowhead

symbol, within an equilateral

triangle, is intended to alert you to

the presence of uninsulated

“dangerous voltage” within the

product’s enclosure that may be of

sufficient magnitude to constitute a

risk of electric shock to persons.

The exclamation point within

an equilateral triangle is

intended to alert you to the

presence of important

operating and maintenance

(servicing) instructions in the

literature accompanying the

appliance.

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.

IMPORTANT

Please record the serial number of this unit in the space below.

MODEL:

Serial No.:

The serial number is located on the bottom of the unit. Retain this Owner’s Manual

in a safe place for future reference.

ii En

NOTICE

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 in a residential installation.

This equipment generates, uses and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions, may cause harmful interference

to radio communications. However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause harmful interference to

radio or television reception, which can be determined by turning the equipment off

and on, the user is encouraged to try to correct the interference by one or more of the

following measures:

– Reorient or relocate the receiving antenna.

– Increase the separation between the equipment and receiver.

– Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

– Consult the dealer or an experienced radio/TV technician for help.

This equipment compiles with FCC/IC radiation exposure limits set forth for uncontrolled

equipment and meets the FCC radio frequency (RF) Exposure Guidelines in Supplement C

to OET65 and RSS-102 of the IC radio frequency (RF) Exposure rules. This equipment has

very low levels of RF energy that it deemed to comply without maximum permissive

exposure evaluation (MPE). But it is desirable that it should be installed and operated with at

least 20 cm and more between the radiator and person’s body (excluding extremities: hands,

wrists, feet and ankles).

This transmitter must not be co-located or operated in conjunction with any other antenna or

transmitter.

FCC INFORMATION (for US customers)

FCC CAUTION

1 IMPORTANT NOTICE : DO

NOT MODIFY THIS UNIT!

This product, when installed as

indicated in the instructions

contained in this manual, meets

FCC requirements. Modifications

not expressly approved by Yamaha

may void your authority, granted

by the FCC, to use the product.

IMPORTANT : When connecting

this product to accessories and/or

another product use only high quality

shielded cables. Cable/s supplied

with this product MUST be used.

Follow all installation instructions.

Failure to follow instructions could

void your FCC authorization to use

this product in the USA.

3 NOTE : This product has been

tested and found to comply with

the requirements listed in FCC

Regulations, Part 15 for Class “B”

digital devices. Compliance with

these requirements provides a

reasonable level of assurance that

your use of this product in a

residential environment will not

result in harmful interference with

other electronic devices.

This equipment generates/uses radio

frequencies and, if not installed and

used according to the instructions

found in the users manual, may cause

interference harmful to the operation

of other electronic devices.

Compliance with FCC regulations

does not guarantee that interference

will not occur in all installations. If

this product is found to be the source

of interference, which can be

determined by turning the unit “OFF”

and “ON”, please try to eliminate the

problem by using one of the following

measures: Relocate either this product

or the device that is being affected by

the interference.

Utilize power outlets that are on

different branch (circuit breaker or

fuse) circuits or install AC line filter/s.

In the case of radio or TV interfer-

ence, relocate/reorient the antenna. If

the antenna lead-in is 300 ohm ribbon

lead, change the lead-in to coaxial

type cable.

If these corrective measures do not

produce satisfactory results, please

contact the local retailer authorized to

distribute this type of product. If you

can not locate the appropriate retailer,

please contact Yamaha Corporation of

America A/V Division, 6600

Orangethorpe Avenue, Buena Park,

CA 90620, USA.

The above statements apply ONLY to

those products distributed by Yamaha

Corporation of America or its

subsidiaries.

Change or modiﬁcations not expressly approved by the party responsible for compliance

could void the user’s authority to operate the equipment.

• This device complies with Part 15 of the FCC Rules and RSSGen of IC 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 of this

device.

See the “Troubleshooting” section at the end of this manual if interference to radio

reception is suspected.

iii En

To assure the finest performance, please read this manual carefully. Keep it in a safe

place for future reference.

1 Install this unit in a well ventilated, cool, dry, clean place – away from direct

sunlight, heat sources, vibration, dust, moisture, and/or cold. For proper ventilation,

allow the following minimum clearances.

Top: 5 cm

Rear: 5 cm

Sides: 5 cm

2 Locate this unit away from other electrical appliances, motors, or transformers to

avoid humming sounds.

3 Do not expose this unit to sudden temperature changes from cold to hot, and do

not locate this unit in an environment with high humidity (i.e. a room with a

humidifier) to prevent condensation inside this unit, which may cause an electrical

shock, fire, damage to this unit, and/or personal injury.

4 Avoid installing this unit where foreign objects may fall onto this unit and/or this

unit may be exposed to liquid dripping or splashing. On the top of this unit, do

NOT place:

– Other components, as they may cause damage and/or discoloration on the

surface of this unit.

– Burning objects (i.e. candles), as they may cause fire, damage to this unit, and/

or personal injury.

– Containers with liquid in them, as they may fall and liquid may cause electrical

shock to the user and/or damage to this unit.

5 Do not cover this unit with a newspaper, tablecloth, curtain, etc. in order not to

obstruct heat radiation. If the temperature inside this unit rises, it may cause fire,

damage to this unit, and/or personal injury.

6 Do not operate this unit upside-down. They may overheat, possibly causing

damage.

7 Do not use force on switches, knobs, and/or cords.

8 When disconnecting the AC adaptor from the wall outlet, grasp the AC adaptor;

do not pull the cord.

9 Do not clean this unit with chemical solvents; this might damage the finish. Use a

clean, dry cloth.

10 Only the voltage specified on this unit must be used. Using this unit with a higher

voltage than specified is dangerous and may cause fire, damage to this unit, and/or

personal injury. Yamaha will not be held responsible for any damage resulting

from use of this unit with a voltage other than that specified.

11 Do not attempt to modify or fix this unit. Contact qualified Yamaha service

personnel when any service is needed. The cabinet should never be opened for any

reason.

12 When not planning to use this unit for long periods of time (i.e. when going on

vacation), disconnect the power cable from the AC wall outlet.

13 Be sure to read the “TROUBLESHOOTING” section regarding common

operating errors before concluding that the unit is faulty.

14 Before moving this unit, disconnect all AC plugs from the wall outlets.

15 Be sure to use the AC adaptor supplied with this unit. Using an AC adaptor other

than the one provided may cause fire or damage to this unit.

16 Install this unit near the wall outlet and where the power cable can be reached

easily.

17 For added protection for this product during a lightning storm, or when it is left

unattended and unused for long periods of time, unplug it from the wall outlet.

This will prevent damage to the product due to lightning and power-line surges.

18 Secure placement or installation is the owner’s responsibility. Yamaha is not liable

for accidents caused by improper placement or installation of speakers.

Caution: Read this before operating your unit.

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE

THIS UNIT TO RAIN OR MOISTURE.

There is a chance that placing this unit too close to a CRT-based (Braun tube) TV set

might impair picture color. Should this happen, move this unit away from the TV set.

This unit is not disconnected from the AC power source as long as it is connected

to the wall outlet, even if this unit itself is turned off. In this state, this unit is

designed to consume a very small quantity of power.

FOR CANADIAN CUSTOMERS

To prevent electric shock, match wide blade of plug to wide slot and fully insert.

CAN ICES-3 (B)/NMB-3 (B)

iv En

Bluetooth

• Bluetooth is a technology for wireless communication between devices within an

area of about 10 meters (33 ft) employing the 2.4 GHz frequency band, a band

which can be used without a license.

• Bluetooth is a registered trademark of the Bluetooth SIG and is used by Yamaha in

accordance with a license agreement.

Handling Bluetooth communications

• The 2.4 GHz band used by Bluetooth compatible devices is a radio band shared by

many types of equipment.

While Bluetooth compatible devices use a technology minimizing the influence of

other components using the same radio band, such influence may reduce the speed

or distance of communications and in some cases interrupt communications.

• The speed of signal transfer and the distance at which communication is possible

differs according to the distance between the communicating devices, the presence

of obstacles, radio wave conditions and the type of equipment.

• Yamaha does not guarantee all wireless connections between this unit and devices

compatible with Bluetooth function.

Controls and functions .................................................................................1

AUTO STANDBY ............................................................................................3

Connections...................................................................................................4

Bluetooth connection for playing music .....................................................5

Troubleshooting ...........................................................................................8

Status indicator (LED) ................................................................................ 11

Specifications ............................................................................................. 11

Before assembly and connecting, make sure you have received all of the following items.

• AC adaptor × 1

• 3.5 mm stereo mini plug cable (2.0 m) × 1

Do not use this unit within 22 cm (9 inches) of persons with a heart pacemaker implant

or defibrillator implant.

Radio waves may affect electro-medical devices.

Do not use this unit near medical devices or inside medical facilities.

Precautions

Please read the following operating precautions before use:

• Use the AC adaptor designed specifically for this unit only. Yamaha is not

responsible for damage caused by using other power adaptors.

• Do not apply pressure or force the control knobs of this unit, or place heavy items

on the cabinet.

• Avoid outputting from test disks, electrical musical instruments, or from

extremely loud or distorted input. It may cause a malfunction of the speakers.

• This unit may cause picture distortion when placed close to a computer monitor

or television. In this case, move the unit away from them.

• Keep this unit away from magnetic media such as floppy disks and tapes.

Otherwise the data on the media may become corrupted.

• Remove the AC adaptor from the wall outlet immediately if any problem is

found.

Contents

Supplied accessories

1 En

1 Headphones connector (3.5 mm stereo mini jack)

Use for a headphones connection.

When headphones are connected, sound is not output through the speakers.

To protect your hearing, make sure that the volume is low before headphones are

used.

• Do not use headphones with a loud volume for a long time. Otherwise, your

hearing may be damaged.

• Make sure that the volume of the audio devices is at minimum before

headphones are connected. A sudden loud sound may damage your hearing.

2 VOL (volume) control

Controls the volume of the speakers and the headphones.

The volume becomes louder as the VOL (volume) control is rotated to

the right, and quieter as it is rotated to the left.

The Loudness control function of the speakers allows you to enjoy rich

bass tone sounds even at low volumes.

The function automatically corrects for optimum sound, depending on

the unit’s output level.

Adjust the output sound level as follows;

a After you connect an external device to this unit, turn on the power of this unit

and then rotate the

VOL

(volume) control to the 2 o’clock position (see the

illustration below).

b Adjust the volume of the external device to the loudest level

before the onset of distortion.

For details about external devices, see their instruction

manuals.

Rotate the

VOL

(volume) control of this unit to adjust the

volume to the desired level.

Controls and functions

Loudness control

Notes

R speaker (Right)

(On the right side when

facing the front of the

speakers.)

L speaker (Left)

(On the left side when

facing the front of the

speakers.)

Front panel

2 En

3 p (power)/indicator (LED)

When you press p (power), this unit will turn on and the indicator will

light up.

Even when this unit is turned off or is in standby mode, it consumes a small

amount of electricity.

AUTO STANDBY switch

•

: Activates the auto-standby mode (

in default setting,

☞

page 3).

•

OFF

: Deactivates the auto-standby mode (

☞

page 3).

•

INIT.

: Initializes the

Bluetooth

pairing data (

☞

page 7).

5 AUDIO INPUT (input connector)

Connects to an external device, such as a portable player, computer, TV,

etc., with the supplied 3.5 mm stereo mini plug cable.

6 TO LEFT SPEAKER

Connects with a cable from the L speaker (Left) through this connector.

7 12V (DC 12V)

Make sure you use the supplied AC adaptor.

Controls and functions

Off On

Viewing the p (power) button from the side…

R speaker (Right)

L speaker (Left)

Rear panel

Note

Multi-Source Mix

While playing music via

Bluetooth

connection, the audio will be mixed and

output from the speakers or headphones when the music is played via

AUDIO

INPUT

. For example, you can listen to the news from a TV while playing the

music from a portable player by mixing them.

3 En

This unit has a function that automatically activates standby mode (power

save mode) when no audio signal is input from a connected device, or

when the connected device is playing at a low volume for a certain period

(about 30 minutes). In standby mode, the indicator light turns off.

Activates the auto-standby mode

a Press p (power) to turn off this unit (Power off).

b Set the AUTO STANDBY switch to ON.

c Press p (power) to turn on this unit.

• Auto-standby mode activates when the power is on.

• The time it takes to enter standby mode is only a guide, and varies depending on

the situation.

If this unit enters standby mode while you are using it, perform either of

the steps below, or .

Adjust the volume.

a Slightly turn up the volume of the connected device.

Rotate the

VOL

(volume) control of this unit and adjust to the desired sound

level.

Set the AUTO STANDBY switch to OFF.

a Press p (power) to turn off this unit.

Set the

AUTO STANDBY

switch on the rear to

OFF

Press

(power) to turn on this unit.

• The default setting of the AUTO STANDBY switch is ON.

• If this unit is not used for a long time, press p (power) for power off.

• To activate auto-standby mode again, set the AUTO STANDBY switch on the rear

to ON.

AUTO STANDBY

Auto-power on

• If the volume from a connected device is too low, this unit may not start. In

this case, turn up the volume of the connected device.

• If a device that emits electromagnetic waves, such as a mobile phone, is used

near this unit, the unit may start by itself, or not enter standby mode as a

result of input signal noise while making or receiving a phone call.

R speaker (Right)

Rear panel

Off

Notes

PLAY

Notes

Deactivating the auto-standby mode

Off

Notes

Play the connected device in

standby mode...

In standby mode, if signal is input, the

unit turns on and sound is output from

the speakers (Auto-power on).

4 En

Connections

R speaker (Right)

Rear panel

L speaker

(Left)

a Connect the cable from the

L speaker (Left) at the rear, to

TO LEFT SPEAKER on the rear

of the R speaker (Right).

R speaker (Right)

Rear panel

Connect the supplied AC

adaptor to

12V

(DC 12V)

and insert its plug to the wall

outlet.

R speaker (Right)

Rear panel

Connect the supplied 3.5 mm stereo mini plug cable between

AUDIO

INPUT

and the external device (TV, computer, etc.), as illustrated. For

details, see the external device’s operating instructions.

See “

Bluetooth

connection for playing music”

(

☞

page 5).

3.5 mm stereo mini

plug cable (supplied)

Connect to the output connector

of the connected device.

Connect via

Bluetooth

Connect an external device using the supplied cable.

5 En

This unit enables you to enjoy music playback wirelessly with a Bluetooth device (such as mobile phones, computers, portable players, etc.) by pairing

(registering) with the device and establishing a Bluetooth connection with this unit.

• Install in a stable place.

• Do not place on top of steel or other metal.

• Do not cover with a cloth, etc.

• Install in the same room where the device is with which signals are to be

exchanged (Bluetooth profile A2DP compatible portable music player, mobile

phone, etc.) within a direct, maximum line-of-sight distance of 10 m (33 ft).

• Make sure there are no obstacles between this unit and the Bluetooth device.

Pairing must be performed when using Bluetooth connection for the first time or if pairing data has been deleted. Pairing can be done within about 5

minutes after the power is turned on.

• Check that the pairing process on the other device has been completed. If the

pairing process fails, start over from step b. For details, see the other device’s

operating instructions.

• If the power supply to this unit is cut off during the pairing operation, the pairing

data may be damaged. If so, perform the steps described in “Clearing all the

pairing data” and then perform pairing again (☞ page 7).

•

This unit can be paired with up to 8 other devices. When pairing is conducted

successfully with the 9th device and the pairing data is registered, the pairing data

of the other device which is the least recently connected to this unit, is cleared.

Bluetooth connection for playing music

Within 10m

(33 ft)

Notes

Pairing (Registration)

NX-B55 Yamaha

Power

Within about 5 minutes

a Turn on the

power of the other

device you want to

pair with.

b Press p (power)

to turn on this unit.

c Operate the other device to

search Bluetooth devices

within about 5 minutes after

turning on this unit.

d Select “NX-B55 Yamaha”

from the search results of the

other device. If you are

prompted to input a passkey,

input “0000”.

e Check the pairing is

completed by the other device.

What is pairing?

Pairing is the operation to register a device (hereafter referred to as “other device”)

for

Bluetooth

communications. Follow the steps described on the left to pair.

Notes

6 En

Bluetooth connection for playing music

Playback via Bluetooth connection

PLAY

Auto Connection

This unit and the other device are connected automatically if the device is the latest recently connected one

and ready to connect.

• Auto Connection may not be available depending on the other device.

• Operate the other device to establish Bluetooth connection if Auto Connection is not available.

Notes

a Press p (power) to turn on this unit.

b Operate the paired other device to establish the

Bluetooth connection.

The status indicator lights up in blue when

Bluetooth connection is completed.

c Start playback of the other device.

d Adjust the volume level using the VOL (volume)

control of this unit.

Some devices can be connected automatically while

pairing. In that case, you can omit step a and b.

The Bluetooth connection will be disconnected

by performing either of the steps below,

or .

Press p

(power) to turn off this unit.

Set the Bluetooth function of other device to off.

Disconnecting Bluetooth

7 En

Bluetooth connection for playing music

a Press p (power) to turn off this unit.

b Set the AUTO STANDBY switch on the rear to INIT..

c Press p (power) to turn on this unit, and wait about 3 seconds.

All the pairing data in this unit will be deleted.

d Press p (power) to turn off this unit.

e Set the AUTO STANDBY switch on the rear back to the previous position (ON in

default setting).

Clearing all the pairing data

Only one other device can be connected to this unit at the same time. If

you want to switch the currently connected device to another one,

perform the following steps.

a Perform either of the steps below, or .

Press p (power) to turn off this unit once. Then,

press p (power) to turn on this unit within 5 seconds.

Operate the other device which the Bluetooth connection has been

established with, to disconnect the Bluetooth connection.

b Operate the other device to which you want to switch Bluetooth connection.

If the other device is being paired with this unit for the first time, complete

pairing within about 5 minutes.

If more than about 5 minutes has passed since this unit is turned on again,

this unit may have automatically reconnected to its last-connected device,

through Auto Connection. In that case, start over from step a.

Switching to another Bluetooth device

Off

On (within

5 seconds)

Bluetooth off

8 En

Refer to the table below if the unit does not operate properly. If the problem you are experiencing is not listed below, or if the instruction does not help, turn

off the unit, disconnect the power cable, and contact the nearest authorized Yamaha dealer or service center.

■ General

Troubleshooting

Symptoms Causes Remedies

This unit is not turned on. The AC adaptor is disconnected from the wall outlet or

12V (DC 12V).

Connect the AC adaptor to the wall outlet or 12V

(DC 12V) correctly.

The p (power) is not turned on. Turn on the p (power). (The indicator lights up.)

No sound is output from

either of the speakers, or

the sound is too quiet.

This unit and the other device are not connected correctly. Make sure that this unit and the other device are connected

correctly.

Connections are faulty (or the connections are incomplete). Check that the connections are made correctly. Or connect

this unit to the Bluetooth device, again.

This unit’s volume is set to too low. Turn the VOL (volume) control to the right to increase the

volume.

The sound from the connected device is too quiet. Increase the volume of the connected device.

Headphones are connected. (No sound comes from the

speakers when headphones are connected.)

Disconnect the headphones from this unit.

The AUTO STANDBY switch at the rear is set to INIT.. Set the AUTO STANDBY switch at the rear to ON or OFF,

again (ON in default setting. ☞ page 3).

The sound is distorted. The sound is too loud. Lower the volume of the connected device.

Noise is heard. Connections are faulty (or the connections are incomplete). Check that the connections are made correctly.

The output connector has a bad connection. Check that the stereo mini jack and stereo mini plug cable

are not dirty. If they are dirty, clean them.

External noise is picked up.

Make sure that devices which emit electromagnetic waves,

such as mobile phones, wireless appliances, microwaves or

inverter lighting equipment, are not near this unit.

Power-supply noise is picked up. Change the source of power supply by directly connecting

the AC adaptor to the wall outlet, etc.

9 En

■ Bluetooth

Troubleshooting

Symptoms Causes Remedies

The sound is muted

automatically.

Auto-standby is functioning. Increase the volume level of the connected device, or press p

(power) twice to turn on this unit. See “Deactivating the

auto-standby mode” (☞ page 3).

Auto-standby is not

functioning.

The AUTO STANDBY switch is set to OFF. Set the AUTO STANDBY switch to ON.

Catching external noise. If this unit is close to mobile phones, radio devices,

microwaves, inverter lights, etc., install this unit away from

them.

Auto-power on does not

work.

The volume of the other device is low. Increase the volume level of the other device.

The played audio is too short. This unit is not turned on if the duration of the sound is

short, such as a click.

There is sound from the

TV, even though this unit

and TV are connected by

an audio cable.

The TV is not suitably set. Change the settings of TV.

Symptoms Causes Remedies

Cannot make this unit

pair or connect with the

other device.

You can connect this unit to the other device within about

5 minutes of turning on this unit or stopping the Bluetooth

connection with the other device.

See “Pairing (Registration)” (☞ page 5).

The other device does not support A2DP. Perform the pairing operations with a device which supports

A2DP.

A Bluetooth adaptor, etc., that you want to pair with this unit

has a passkey other than “0000”.

Use a Bluetooth adaptor, etc., whose passkey is “0000”.

The distance between this unit and the Bluet ooth device is

too long.

Reposition this unit within 10 m (33 ft) of the other device.

There is a device (microwave oven, wireless LAN, etc.) that

outputs signals in the 2.4 GHz frequency band nearby.

Install this unit away from such devices.

Bluetooth connection is already established with another

device.

Stop the Bluetooth connection with another device.

10 En

* If VOL (volume) stays at maximum after the p (power) is turned off, the slight sound may be heard from the headphones.

* iPad, iPhone, and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.

Troubleshooting

Symptoms Causes Remedies

The iPhone/iPad/iPod touch stores any recently paired

device in memory to allow connection with the same device

again later. If NX-B55 is initialized, the iPhone/iPad/iPod

touch will recognize it as a different device.

Delete any pairing history of NX-B55 on the iPhone/iPad/

iPod touch, then pair with the NX-B55 again (“Pairing

(Registration)” ☞ page 5).

No sound is produced or

the sound is interrupted

during playback.

The other device is not connected to this unit by Bluetooth.Perform Bluetooth connection. See “Playback via Bluetooth

connection” (☞ page 6).

The distance between this unit and the B luetooth device is

too long.

Reposition this unit within 10 m (33 ft) of the other device.

There is a device (microwave oven, wireless LAN, etc.) that

outputs signals in the 2.4 GHz frequency band nearby.

Install this unit away from such devices.

The other device’s Bluetooth function is not enabled. Check that the Bluetooth function of the other device is set

properly.

This unit is not registered on the other device’s Bluetooth

device list.

Perform the pairing operations again.

The other device is not set to send Bluetooth audio signals to

this unit.

Check that the Bluetooth function of the other device is set

properly.

The pairing setting of the other device is not set to this unit. Set the other device to pair with this unit.

The other device’s volume is set to too low. Increase the volume level of the other device.

11 En

Status indicator (LED)

*1: If you perform the steps in “Switching to another Bluetooth device” (☞ page 7), the

indicator flashes in green for several seconds, and then Auto Connection will be disabled for

about 5 minutes.

*2: When clearing all the pairing data according to the steps in “Clearing all the pairing data”

(☞ page 7).

Indicator (LED) Power Bluetooth

Auto

Connection

off

Power off/

Standby

(lights up)

Power

not

connected

(flashes for several seconds,

then lights up)

off

(lights up)

connected -

...

(changes rapidly)

Green

Blue

Green

Blue

Green

Bluetooth version ............................................................................ Ver. 2.1+EDR

Supported profile..........................................................................................A2DP

Supported audio codec......................................................................... SBC, AAC

RF output power......................................................................Bluetooth Class 2

Maximum communications range.............. 10 m (33 ft) without interference

Input connector ................................... ø 3.5 mm (1/8 in.) stereo mini jack × 1

Headphone output connector............ ø 3.5 mm (1/8 in.) stereo mini jack × 1

Power voltage/Frequency

U.S.A. and Canada models.....................................................AC 120 V, 60 Hz

Other models ......................................................... AC 100 to 240 V, 50/60 Hz

Power consumption .....................................................................13 W (speaker)

Power consumption when powered off......................................... 0.5 W or less

AC adaptor

U.S.A., Canada and Taiwan models

................................................................MU18-D120150-A1 (DC 12V, 1.5A)

Asia model............................................. MU18-D120150-C5 (DC 12V, 1.5A)

Weight

Right speaker .............................................................................. 1.1 kg (2.4 lbs)

Left speaker ...............................................................................1.0 kg (2.2 lbs)*

* Including speaker cable (2.0 m)

Specifications are subject to change without notice.

Specifications

184 mm

(7-1/4 in.)

184 mm

(7-1/4 in.)

83 mm

(3-1/4 in.)

Dimensions

i Fr

1 Lire ces instructions.

2 Conserver ces instructions.

3 Tenir compte de tous les avertissements.

4 Suivre toutes les instructions.

5 Ne pas utiliser cet appareil à proximité de l’eau.

6 Nettoyer cet appareil avec un chiffon sec seulement.

7 Ne pas recouvrir les ailettes de ventilation. Installer l’appareil selon les instructions

du fabricant.

8 Ne pas installer près d’une source de chaleur, comme un appareil de chauffage, une

résistance électrique, un poêle, ou tout autre appareil (amplificateurs compris)

produisant de la chaleur.

9 Ne pas désamorcer le système de sécurité d’une fiche polarisée ou d’une fiche avec

mise à la terre. Une fiche polarisée est munie de deux lames, dont l’une est plus

large que l’autre. Une fiche avec mise à la terre est munie de deux lames et d’une

broche de terre. La lame la plus large ou la troisième broche sont reliées à la terre

pour des raisons de sécurité. Si la fiche fournie ne s’insère pas dans la prise,

s’adresser à un électricien pour faire remplacer la prise obsolète.

10 Protéger le cordon d’alimentation de sorte qu’il ne risque pas d’être piétiné ou

coincé, surtout au niveau des fiches, des prises et de sa sortie de l’appareil.

11 Utiliser seulement les fixations et accessoires spécifiés par le fabricant.

12 Utiliser seulement le chariot, socle, trépied, support ou meuble spécifié

par le fabricant ou vendu avec l’appareil. Si un chariot est utilisé, faire

attention de ne pas se blesser ou de le renverser pendant le transport de

l’appareil.

13 Débrancher cet appareil pendant les orages électriques, ou s’il ne doit

pas être utilisé pendant un certain temps.

14 Pour toute inspection s’adresser à un personnel qualifié. Une inspection est

nécessaire en cas de dommage, quel qu’il soit, par exemple cordon d’alimentation

ou fiche endommagé, liquide répandu ou objet tombé à l’intérieur de l’appareil,

exposition de l’appareil à la pluie ou à l’humidité, fonctionnement anormal ou

chute de l’appareil.

Nous vous souhaitons un plaisir musical durable

Yamaha et le Groupe des Entreprises Électroniques Grand Public de

l’Association des Industries Électroniques vous demandent de tirer le

meilleur parti de votre équipement tout en écoutant à un niveau non

dommageable pour l’ouïe, c’est-à-dire un niveau où vous pouvez obtenir

un son fort et clair, sans hurlement ni distorsion, mais sans aucun danger

pour l’ouïe. Comme les sons trop forts causent des lésions auditives qui ne peuvent être

détectées qu’à long terme, lorsqu’il est trop tard, Yamaha et le Groupe des Entreprises

Électroniques Grand Public de l’Association des Industries Électroniques vous

déconseillent l’écoute prolongée à des volumes excessifs.

PRÉCAUTIONS CONCERNANT LA SÉCURITÉ

CAUTION

RISK OF ELECTRIC SHOCK DO

NOT OPEN

ATTENTION : POUR RÉDUIRE LES RISQUES D’INCENDIE

ET DE DÉCHARGE ELECTRIQUE, NE PAS RETIRER LE

COUVERCLE (OU LE PANNEAU ARRIÈRE). AUCUNE

PIÈCE INTERNE NE PEUT ÊTRE CHANGÉE PAR

L’UTILISATEUR. POUR L’ENTRETIEN, S’ADRESSER À

UN PERSONNEL QUALIFIÉ..

• Explication des symboles

L’éclair avec une flèche à

l’intérieur d’un triangle

équilatéral est destiné à attirer

l’attention de l’utilisateur sur

la présence d’une « tension

dangereuse » non isolée à

l’intérieur du produit, pouvant

être suffisamment élevée pour

constituer un risque

d’électrocution.

Le point d’exclamation à

l’intérieur d’un triangle

équilatéral est destiné à attirer

l’attention de l’utilisateur sur la

présence d’instructions

importantes sur l’emploi ou de

la maintenance (réparation) de

l’appareil dans la

documentation fournie.

IMPORTANT

Veuillez enregistrer le numéro de série de cet appareil dans l’espace réservé à cet

effet, ci-dessous.

MODÈLE :

No. de série :

Le numéro de série est situé sous l’appareil. Prière de conserver le mode d’emploi

en lieu sûr pour toute référence future.

Sidan laddas ...

Yamaha NX-B55 Bruksanvisning

varumärke: Yamaha

Modell: NX-B55

Typ: Bruksanvisning

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