background image

PLAYBACK

Operations

En

19

3

4

5

6

7

Surround program keys and STEREO 
key

Select surround playback using the MOVIE, MUSIC, 
SPORTS, GAME or TV PROGRAM key, or select 
stereo (2 channels) playback using STEREO key.
When a surround program (MOVIE, MUSIC, 
SPORTS, GAME, or TV PROGRAM) is selected, 
you can enjoy a realistic sound effect using 
Yamaha’s exclusive AIR SURROUND XTREME.

MOVIE

MUSIC

SPORTS

GAME

, or 

TV PROGRAM

............................

Glows (surround playback)

STEREO

..............

Off (stereo playback)

HINT

• Dolby Pro Logic II is used when 2-channel stereo signal is 

played with a surround program other than MUSIC.

SURROUND

SURROUND

3

BASS EXTENSION key

Enable/disable the bass extension function. When 
this function is enabled, you can enjoy a powerful 
bass sound with the Yamaha original bass boost 
technology “Advanced Bass Extension 
Processing.”

Enabled: Flashes three times and goes out
Disabled: Flashes once and goes out

4

S

/

T

/

W

/

X

 keys, ENTER key, RETURN 

key

Use to configure the setup menu.

5

SETUP key

Display the setup menu on the TV.

6

CLEAR VOICE key

Enable/disable the clear voice function.
When this function is enabled, human voices such 
as lines in movies and TV shows, or news and 
sport commentary, are played clearly.

Enabled: Flashes three times and goes out
Disabled: Flashes once and goes out

7

Summary of Contents for NS-WSW121

Page 1: ...Front Surround System Owner s Manual Read the supplied booklet Quick Start Guide before using the unit English EN ...

Page 2: ...ening to the sound from a Bluetooth device Receiving 24 Using wireless headphones to listen to audio Transmitting 25 NETWORKS Networks 26 Network functions and the MusicCast CONTROLLER app 26 Connecting to a network 26 Playing back music stored on media servers PCs NAS 39 Listening to Internet radio 40 Playing back music with AirPlay 41 Playing back music stored on mobile devices 42 SETTINGS Setti...

Page 3: ...point the remote control at the remote control sensor on the top panel p 10 Center unit YAS CU706 Wireless subwoofer NS WSW121 Remote control Batteries x 2 AAA R03 UM4 Optical digital audio cable 1 5 m 4 9 ft Mounting template Use when mounting the center unit on a wall Spacers 2 Use when mounting the center unit on a wall Quick Start Guide Cover for the TV remote repeater MusicCast Setup Guide Ow...

Page 4: ... allows you to listen to music stored on mobile devices such smartphones or on servers or to listen to Internet radio stations and many kinds of major streaming services p 26 This app also allows you to distribute content to other MusicCast enabled devices for synchronized playback The MusicCast CONTROLLER app can also be used to perform such tasks as selecting the input source and adjusting volum...

Page 5: ...a the unit be played on another audio device at the same time or vice versa A5 Yes Sound from one MusicCast enabled audio device can be played on another MusicCast enabled audio device at the same time Note that all devices must support MusicCast Tap in the MusicCast CONTROLLER app s Rooms screen and follow the on screen instructions to set up the master room the source device and to link other ro...

Page 6: ...ey Mute the audio output Press the key again to unmute p 20 5 volume keys Adjust the volume p 20 6 power key Turn on or off the unit p 18 HINT The unit may automatically turn off when the auto power standby function is enabled p 50 7 Remote control sensors Receive infrared signals from the remote control of the unit p 3 or TV s remote control p 10 The remote control sensors are located on the fron...

Page 7: ... jack For connecting to a TV with an optical digital audio cable p 12 6 COAXIAL input jack For connecting to a playback device such as a Blu ray Disc BD player with a coaxial digital audio cable p 13 7 NETWORK jack For connecting to a network with a network cable p 26 8 ANALOG input jacks For connecting to an external device with a stereo cable p 12 14 9 SUBWOOFER OUT jack For connecting to the su...

Page 8: ... or other pointed object to press this key 3 STATUS indicator Shows subwoofer s connection status p 15 Glows green Power on Glows red Power off 4 SYSTEM CONNECTOR jack For connecting to the center unit using a wired connection p 15 5 INPUT jack For connecting to the center unit using a wired connection p 15 SYSTEM CONNECTOR SUBWOOFER PAIRING INPUT STATUS SYSTEM CONNECTOR SUBWOOFER PAIRING INPUT ST...

Page 9: ...ach of children Do not stack the center unit and subwoofer directly on top of other playback devices or vice versa Doing so may cause a malfunction due to heat and vibrations Do not hold the speaker portion fabric parts on the front and the top of the center unit The center unit and subwoofer contain non magnetic shielding speakers Do not place magnetically sensitive items hard disk drive etc near...

Page 10: ...5 cm 2 in TV remote control sensor Mounting the center unit on a wall Cautions When mounting the center unit on a wall all installation work must be performed by a qualified contractor or dealer The customer must never attempt to perform this installation work Improper or inadequate installation could cause the center unit to fall resulting in personal injury To avoid falling the center unit attac...

Page 11: ...r unit as illustrated below 4 Hang the center unit on the screws Using the supplied cover for the TV remote repeater When the center unit is mounted on a wall the TV remote repeater may appear white If this presents a distraction while watching TV attach the supplied cover to the TV remote repeater Tapes or thumbtacks Mounting template supplied Screw holes 7 to 9 mm 1 4 to 3 8 13 to 15 mm 1 2 to 5...

Page 12: ...nnel ARC Connect the TV to the unit with an HDMI cable not supplied and an optical digital audio cable TV audio will be output through the unit by switching the unit s input to TV using the TV key on the remote control HINT If the TV has no optical jack Connect the audio output jack on the TV to the ANALOG input jacks or COAXIAL input jack on the unit TV audio will be output through the unit by sw...

Page 13: ... p 46 video and audio content from playback devices can be output from the TV even when this unit is off HDMI signal pass through Use a 19 pin HDMI cable with the HDMI logo printed on it A cable with a maximum length of 5 m 16 ft is recommended to prevent degradation of signal quality For playback of 3D and 4K video content use a high speed HDMI cable Coaxial connection Connect a video device to t...

Page 14: ...itching the unit s input to ANALOG using the ANALOG key on the remote control Connecting the power cable After all the connections are complete plug in the power cable of the center unit and the subwoofer AUDIO R L ANALOG R L R L L R Center unit rear ANALOG input jacks Audio output analog Video device TV To video output jack To video input jack SYSTEM CONNECTOR SUBWOOFER PAIRING INPUT STATUS Cente...

Page 15: ...e is no sound coming from the subwoofer or if sound is intermittent due to the influence of radio waves from other devices connecting the center unit and subwoofer via cables will solve the problem Connect the center unit and subwoofer via an RCA mono cable not supplied and a 3 5 mm monaural mini plug cable not supplied A 3 5 mm monaural mini plug cable is required to turn the center unit and subw...

Page 16: ... When this unit and the TV are connected as shown below select HDMI 1 using the TV s remote control The menu display The menu is displayed on the TV screen when the SETUP key is pressed When the TV is receiving HDMI signals the menu is superimposed over video content Press the SETUP key a second time to cancel menu display Displaying the menu screen on the TV TV remote control example Switch input...

Page 17: ... indicator will not be flashing if the unit is connected to a router via its NETWORK jack wired connection Selecting a language for menu display 1 Turn the unit and TV on 2 Switch the TV s input to display video input from this unit p 16 3 Press and hold the SETUP key until the OSD Language menu appears on the TV HINT When the menu is not displayed Confirm the following cases The HDMI input jack o...

Page 18: ... a device connected to the HDMI IN 1 or HDMI IN 2 jack COAXIAL Sound from a device connected to the COAXIAL input jack ANALOG Sound from a device connected to the ANALOG input jacks BLUETOOTH Sound from a Bluetooth connected device NET Audio acquired via a network The last audio source listened to is selected when the NET key is pressed The indicator for the selected input source glows Example whe...

Page 19: ...with a surround program other than MUSIC SURROUND SURROUND 3 BASS EXTENSION key Enable disable the bass extension function When this function is enabled you can enjoy a powerful bass sound with the Yamaha original bass boost technology Advanced Bass Extension Processing Enabled Flashes three times and goes out Disabled Flashes once and goes out 4 S T W X keys ENTER key RETURN key Use to configure ...

Page 20: ... radio station p 39 to 42 2 Hold down the NET RADIO 1 2 or 3 key for more than 3 seconds Tune in to an assigned Internet radio station 1 Press the NET RADIO 1 2 or 3 key to which the desired Internet radio station has been assigned HINT When an Internet radio station is assigned to the NET RADIO 1 2 or 3 key on the remote control the same station is also registered with No 1 2 or 3 in the MusicCas...

Page 21: ...Dolby Pro Logic II is used when 2 channel stereo signal is played with a surround program other than MUSIC Unit functions and positioning The bass extension function is enabled The clear voice function is enabled When positioned on top of something such as a TV stand When mounted on a wall HINT The unit is able to play the following types of audio signal The indicators do not glow when analog or P...

Page 22: ...2 jack on the unit the unit s input source switches to HDMI when the BD DVD player is selected with the TV s remote control The input source can be switched while the unit is off 1 Turn on off Both the TV and this unit turn on off at the same time 3 Switch the audio output device TV or this unit amplifier 4 Adjust volume This unit s volume can be adjusted when the TV s audio output is set to this ...

Page 23: ...th device Use Bluetooth wireless headphones and the like to listen to audio NOTE Audio cannot be received by the unit from mobile devices and the like and transmitted to speakers or headphones at the same time HINT Bluetooth in the setup menu must be set to On default p 46 to use Bluetooth functions A Bluetooth device that has been assigned a passkey PIN other than 0000 cannot be connected to the ...

Page 24: ... 3 Select YAS 706 xxxxxx Bluetooth in the Bluetooth device list on the device If the unit is registered as a MusicCast enabled device p 27 the room name network name is displayed If a passkey PIN is required enter the number 0000 When the connection is established the indicator on the unit glows The indicator or a completion message is displayed on the Bluetooth device 4 Play back a song on the Bl...

Page 25: ...S T keys to select Transmission and then press the ENTER key 6 Use the S T keys to select On and then press the ENTER key 7 Use the S T keys to select Device Search and then press the ENTER key 8 Use the S T keys to select a Bluetooth device and then press the ENTER key When a connection is established the indicator on the unit glows 9 Play an audio source and enjoy music via the Bluetooth device ...

Page 26: ...work connection cannot be established if the MAC address filter on your router is enabled Check your router s settings To configure your router s subnet mask manually apply the same subnet used by this unit to all devices Use of a broadband connection is recommended when using Internet services HINT If your router supports DHCP network settings for the unit need not be configured Network parameter...

Page 27: ... be connected to a wireless router access point Wireless Direct p 37 can be used to connect the unit directly to a mobile device to control the unit using the MusicCast CONTROLLER app installed on that mobile device Connecting with the MusicCast CONTROLLER app registering the unit as a MusicCast enabled device Install the MusicCast CONTROLLER app on your mobile device to connect the unit to a netw...

Page 28: ...igure network settings When a screen like that at left below is displayed select the network to which the unit will be connected and enter the router s password encryption key The router s password encryption key is often noted on the router itself Refer to documentation supplied with the router for details 1 Use the Home button on your mobile device to return to the Home screen 2 Select Wi Fi fro...

Page 29: ...on name and the name and photo of the room where the unit is installed can be changed later Network connection with the MusicCast CONTROLLER app is now complete and the unit has been registered as a MusicCast enabled device HINT If a different MusicCast enabled device is already registered with the MusicCast CONTROLLER app tap Setup in the room selection screen and then select Add New Device to ad...

Page 30: ... Before proceeding confirm that your iOS device is connected to a wireless router access point NOTE You need iOS device with iOS 7 or later The connection settings on iOS devices cannot be applied to the unit to establish a wireless connection if your wireless router access point uses WEP encryption See Searching for a wireless router access point p 32 to establish a connection 1 Press the z key t...

Page 31: ...y pressing WPS button on the wireless router access point 1 Press the z key to turn on this unit 2 Turn on the TV and switch the TV input to display video from the unit HDMI OUT jack p 16 3 Press the SETUP key The setup menu is displayed on the TV screen 4 Use the S T keys to select Network and then press the ENTER key 5 Use the S T keys to select Network Connection and then press the ENTER key 6 ...

Page 32: ... its SSID See Setting up the wireless connection manually p 34 to establish a connection 9 Press the SETUP key to exit the setup menu Searching for a wireless router access point Find and connect to a nearby wireless router access point 1 Press the z key to turn on this unit 2 Turn on the TV and switch the TV input to display video from the unit HDMI OUT jack p 16 3 Press the SETUP key The setup m...

Page 33: ...e displayed on the TV screen If Not connected is displayed press the ENTER key to repeat the procedure beginning with step 6 or see the information below to try another connection method NOTE Access Point Scan cannot be used to establish a wireless connection if your wireless router access point is configured so that it does not broadcast its SSID See Setting up the wireless connection manually p ...

Page 34: ...ion and then press the ENTER key 6 Use the S T keys to select Wireless Wi Fi and then press the ENTER key 7 Use the S T keys to select Manual Setting and then press the ENTER key 8 Use the S T keys to select SSID 9 Use the W X S T keys and the ENTER key to enter the SSID of the access point Once the security key been entered select OK and then press the ENTER key The screen will return to that dis...

Page 35: ...3 character string or 64 hexadecimal base 16 keys HINT Hexadecimal base 16 keys use combinations of the numbers 0 through 9 and the letters a through f Letters are not case sensitive Once the security key been entered select OK and then press the ENTER key The screen will return to that displayed in step 8 13 Use the S T keys to select Connect and press the ENTER key to start the connection proces...

Page 36: ...ilable access points appears on the TV screen 8 Use the S T keys to select the desired access point and press the ENTER key The PIN code of the unit appears on the TV screen 9 Enter the unit s PIN code into the wireless router access point For details on settings refer to documentation supplied with the wireless router access point 10 Press the ENTER key to start the connection process When a conn...

Page 37: ...n on this unit 2 Turn on the TV and switch the TV input to display video from the unit HDMI OUT jack p 16 3 Press the SETUP key The setup menu is displayed on the TV screen 4 Use the S T keys to select Network and then press the ENTER key 5 Use the S T keys to select Network Connection and then press the ENTER key 6 Use the S T keys to select Wireless Direct and then press the ENTER key 7 Use the ...

Page 38: ...he ENTER key to save the setting This completes the settings and Set the mobile device will be displayed on the TV screen The unit functions as an access point Next configure the Wi Fi settings of a mobile device 11 Configure the Wi Fi settings of a mobile device For details on settings of your mobile device refer to documentation supplied with the mobile device 1 Enable the Wi Fi function on the ...

Page 39: ... s manufacturer or Windows Media Player Help for details 1 Start Windows Media Player 12 on your PC 2 Select Stream then Turn on media streaming 3 Click Turn on media streaming 4 Select Allowed from the drop down list next to the unit s model name 5 Click OK to exit For a PC or a NAS with other DLNA server software installed Refer to documentation supplied with the device or software and configure...

Page 40: ...NT When an Internet radio station is registered with No 1 2 or 3 in Favorites with the MusicCast CONTROLLER app the registered Internet radio station can be played with the NET RADIO 1 2 or 3 key on the remote control Using the MusicCast CONTROLLER app to bookmark a station 1 Select the desired Internet radio station 2 Tap in the playback screen and then tap Add Bookmark HINT You can use the Web b...

Page 41: ...played network settings from your iOS device an iPhone etc can be applied to the unit to connect the unit to a wireless network The indicator does not flash and the screen is not displayed if the unit s NETWORK jack is connected to a router using a cable wired connection Display Wi Fi settings on the iOS device and select the unit from SETUP A NEW AIRPLAY SPEAKER When the following screen is displ...

Page 42: ... play music stored on your mobile device over a network Using a mobile device to play songs Use the MusicCast CONTROLLER app p 27 installed on your mobile device to operate playback NOTE Register the unit as a MusicCast enabled device p 27 before playing music files 1 Use the MusicCast CONTROLLER app to select the unit s room Room1 etc 2 Tap 3 Select a song from Playlists Artists etc Caution When ...

Page 43: ...displaying the setup menu on the TV Setting the setup menu 1 Press the SETUP key NOTE Hold down the SETUP key to display OSD Language directly on the screen p 17 49 If an update for the unit s firmware is available an envelope icon will be displayed in the setup menu p 52 2 Press the S T key to select a menu and then press the ENTER key or X key Repeat these steps to display the desired menu Press...

Page 44: ...kers to which audio will be transmitted 46 MAC Address Display the MAC address for the Bluetooth connection 46 Network Information Display the unit s network information 47 Network Connection Select the network connection method 47 IP Address DHCP IP Address Subnet Mask Default Gateway DNS Server P DNS Server S Configure the network parameters such as IP address 48 MAC Address Filter Filter MAC Ad...

Page 45: ...on method Bass Out Specify how the subwoofer is connected Settings Pairing Manually pair the center unit with the subwoofer After Pairing is selected press the SUBWOOFER PAIRING button on the subwoofer for three seconds For details refer to Pairing the center unit and subwoofer p 62 HINT Pairing can be selected when Bass Out is set to Wireless Setup Menu Sound Dynamic Range Min Auto Min Sets dynam...

Page 46: ... function Settings Transmission Transmit audio from the unit to Bluetooth speakers or headphones Settings Device Search Select the Bluetooth speakers or headphones to which audio will be transmitted and connect the unit to the speakers or headphones wirelessly MAC Address Display the MAC address for the Bluetooth connection Setup Menu HDMI HDMI Control Off Disable the control function The standby ...

Page 47: ...the unit is connected Security The encryption method for your network MAC Address MAC address Ethernet Wi Fi IP Address IP address Subnet Mask Subnet mask Default Gateway The IP address of the default gateway DNS Server P The IP address of the primary DNS server DNS Server S The IP address of the secondary DNS server vTuner ID The ID of the Internet radio vTuner Setup Menu Network Network Connecti...

Page 48: ...etwork devices that will operate the unit when Filter is set to On 1 Use the S T keys to select an MAC address number 1 to 10 2 Use the W X keys to move the edit position and the S T keys to select a value 3 Press the ENTER key Setup Menu Network IP Address Off The DHCP server is not used Configure the network parameters manually For details see Manual network settings On default The DHCP server i...

Page 49: ...to select the language used for menus displayed on the TV screen Settings HINT Hold down the SETUP key to display OSD Language directly on the TV screen The settings may be changed automatically when using the TV which supports the HDMI control function Setup Menu Network Network Standby Off Disable the network standby function On default Enable the network standby function When the unit is turned...

Page 50: ...ed as the input source The auto power standby function can also be configured without using the setup menu Follow the procedure below 1 Turn off the unit 2 Hold down the key and press the key on the unit The auto power standby function is enabled or disabled and the unit turns on For several seconds immediately after the unit is turned on the indicator shows auto power standby function status CONN...

Page 51: ...mode Mode 1 or Mode 2 is enabled and the unit turns on The indicator shows that Mode 1 or Mode 2 has been enabled for several seconds immediately after the unit turns on Configuring 4K video mode Mode 1 4K 60 Hz 50 Hz signals are input and output in 4 4 4 4 2 2 or 4 2 0 format Depending upon the device connected or the HDMI cable used video may not be displayed correctly Should this occur select M...

Page 52: ... and then press the ENTER key 3 Use the S T keys to select Network Update and then press the ENTER key 4 Press the ENTER key The TV screen goes black and firmware update begins Update progress can be confirmed using the indicators on the unit If the update is completed successfully all indicators on the unit will flash 5 Press the key on the unit The firmware update is complete NOTE If the firmwar...

Page 53: ...progress can be confirmed using the indicators on the unit If the update is completed successfully all indicators on the unit will flash 5 Press the key on the unit The firmware update is complete NOTE If the firmware update fails the indicator at far right on the unit will flash blue Press the key to turn unit off and then on again and repeat the procedure from step 1 again If the firmware update...

Page 54: ... unit again If the power still turns off frequently unplug the power cable from the AC wall outlet and contact the nearest authorized Yamaha dealer or service center The power cannot be turned on The protection circuitry has been activated three times consecutively If you try to turn on the power in this condition the STATUS indicator on the center unit will flash To protect the product the power ...

Page 55: ...al digital audio cable p 12 Sound from an HDMI control enabled TV is set for output from the TV s built in speakers Use the TV s HDMI settings to set audio output to any option other than the TV s built in speakers No sound is coming from the subwoofer Refer to the No sound is coming from the subwoofer and The volume of the subwoofer is low problems p 56 The volume decreases when the unit is turne...

Page 56: ... subwoofer The STATUS indicator on the subwoofer flashes or grows red Move the subwoofer closer to the center unit to improve conditions for wireless communications and pair the two p 62 If the indicator on the subwoofer does not glow green steadily after pairing the unit may be malfunctioning Disconnect the power cable and contact your nearest Yamaha dealer or service center to request repairs Wi...

Page 57: ... delay control function is not effective even Audio Delay is set to Auto The TV does not support the audio delay auto adjustment feature Adjust timing of sound output manually from Audio Delay in the setup menu p 45 Problem Cause Remedy The unit cannot be operated using the remote control The unit is out of the operating range Use the remote control within the operating range p 3 The batteries are...

Page 58: ...ct the device to this unit There is a device microwave oven wireless LAN etc outputs signals in the 2 4 GHz frequency band nearby Move this unit away from the device that is emitting radio frequency signals No sound is heard or the sound is intermittent via the unit The device is not set to send Bluetooth audio signals to the unit Check that the Bluetooth function of the device is set properly Pla...

Page 59: ...No sound is heard or the sound is intermittent via the Bluetooth device The device is not set to receive Bluetooth audio signals from the unit Check that the Bluetooth function of the device is set properly The device s volume is set to minimum Turn up the volume level on the device The sound to be transmitted is not playing Play sound on the device selected with the input key p 25 The unit and de...

Page 60: ... 31 36 Not connected is displayed with Wireless Wi Fi configuration using the WPS function WPS Button and PIN Code unable to connect to wireless router access point The wireless router access point uses WEP encryption A connection cannot be established using the WPS function Try a different connection method p 31 36 Playback stops unexpectedly and files cannot be played continuously The folder con...

Page 61: ...e same network Firmware update via the network Network Update fails It may not be possible depending on the condition of the network Update the firmware via the network Network Update again or use a USB flash drive p 52 The iPod does not recognize the unit when using AirPlay The unit and iPod mobile device are connected to different SSIDs on the same access point Check the network connections for ...

Page 62: ...ENTER key 5 Use the S T keys to select Pairing and then press the ENTER key 6 Use an object with a fine point such as a pin to hold down the SUBWOOFER PAIRING button on the subwoofer for more than 3 seconds The subwoofer s STATUS indicator will rapidly blink green Once pairing has been completed and the link between the center unit and subwoofer has been re established the STATUS indicator will gl...

Page 63: ...hannel Input Jacks HDMI 2 HDMI IN 1 2 Digital Optical 1 TV Digital Coaxial 1 COAXIAL Analog RCA stereo 1 pair ANALOG Output Jack HDMI 1 HDMI OUT ARC Analog RCA monaural 1 SUBWOOFER OUT System connection 1 SYSTEM CONNECTOR Other Jacks USB 1 UPDATE ONLY LAN 1 NETWORK Network Ethernet standard 100BASE T 10BASE T Supported codecs WAV PCM format only AIFF FLAC up to 192 kHz ALAC up to 96 kHz MP3 WMA MP...

Page 64: ...the unit on a wall with spacer Weight 5 4 kg 11 9 lbs Item Specifications Item Specifications Amplifier section Output power 75 W 100 Hz 6 Ω 10 T H D Dynamic power 130 W Speaker section Driver 14 cm 5 1 2 in cone non magnetic shielding type 1 Frequency response 40 Hz to 100 Hz Input jacks Analog RCA monaural 1 INPUT 1 SYSTEM CONNECTOR Wireless function Radio frequency band 2 4 GHz Maximum communic...

Page 65: ...fications of the TV connected to this unit Digital audio signal Optical coaxial HDMI ARC The contents of this manual apply to the latest specifications as of the publishing date To obtain the latest manual access the Yamaha website then download the manual file Audio signal types Audio signal formats Compatible media 2ch Linear PCM 2ch 32 192 kHz 16 20 24 bit CD DVD Video DVD Audio etc Multi ch Li...

Page 66: ... reduce the speed or distance of communications and in some cases interrupt communications The speed of signal transfer and the distance at which communications is possible differs according to the distance between the communicating devices the presence of obstacles radio wave conditions and type of equipment Yamaha does not guarantee all wireless connections between this unit and devices compatib...

Page 67: ...Published 06 2016 KS C0 Manual Development Group 2016 Yamaha Corporation YH958A0 EN Yamaha Global Site http www yamaha com Yamaha Downloads http download yamaha com ...

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