Sony GTK-XB72 Help Manual
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Sony GTK-XB72 Help Manual

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Help Guide
Home Audio System
GTK-XB72
The following explains how to use this system. Select a topic from the navigation pane.
Getting Started
Parts and controls
Carrying/placing the system
Power source
Connecting the system to an AC outlet
Turning the power on
Turning the power off (Standby mode)
Using the BLUETOOTH standby function
Auto Standby function
Lighting function
Enjoying music with the illumination (Lighting)
Demo mode
Deactivating the demonstration mode
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Summary of Contents for Sony GTK-XB72

  • Page 1 Help Guide Home Audio System GTK-XB72 The following explains how to use this system. Select a topic from the navigation pane. Getting Started Parts and controls Carrying/placing the system Power source Connecting the system to an AC outlet Turning the power on...

  • Page 2: Making Connections

    Making connections USB device Connecting with a USB device BLUETOOTH® device Pairing and connecting with BLUETOOTH devices Connecting with an NFC-compatible device by One-touch (NFC) External audio device Listening to music of an external audio device, etc. Listening to music USB device Listening to music of a USB device BLUETOOTH device...

  • Page 3: Troubleshooting

    Phone calls Receiving a call Making a call Using dedicated apps Using “Sony | Music Center” What you can do with “Sony | Music Center” Installing “Sony | Music Center” Using Fiestable What you can do with “Fiestable” Installing “Fiestable”...
  • Page 4 The system has entered standby mode. There is no sound. There is severe hum or noise. A clicking sound is heard when the system is turned on. USB Playback Playback does not start. Files cannot be played back. There is no sound during USB playback. There is noise, skipping, or distorted sound during USB playback.
  • Page 5 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 6: Parts And Controls

    Help Guide Home Audio System GTK-XB72 Parts and controls Front Speaker Lights Rear...
  • Page 7 AC IN jack PARTY CHAIN button with indicator Audio output and input jacks Use an audio cord (not supplied) to make either connection as follows: AUDIO/PARTY CHAIN OUT L/R jacks Connect to the audio input jacks of an optional equipment. Connect to another audio system to enjoy the Party Chain function.
  • Page 8 (power) button with indicator (BLUETOOTH) indicator USB indicator AUDIO IN indicator FUNCTION/ PAIRING button Press repeatedly to select the BLUETOOTH, USB, or AUDIO IN function. When the BLUETOOTH function is selected, hold down to activate BLUETOOTH pairing. Press to stop the built-in sound demonstration. (previous/next) buttons Press to select a track or file.
  • Page 9 (play/pause)/ (call) and + (volume) have a tactile dot. Use the tactile dot as a reference when operating the system. Related Topic About the indicators 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 10 You can place the system on its side as illustrated below. (Be sure to place the side with the rubber feet down.) Hint When you change the orientation of the system, the tweeters that output sound for the left and right channels are switched to the upper two units automatically. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 11 Firmly insert the end of the AC power cord (mains lead) (supplied) to the AC IN jack on the rear of the system, and then to an AC outlet ( The system is turned on in the demonstration mode and Speaker Lights start flashing automatically. Related Topic Turning the power on Deactivating the demonstration mode 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 12: Turning The Power On

    Help Guide Home Audio System GTK-XB72 Turning the power on Press (power). (power) indicator lights up in green. Related Topic Turning the power off (Standby mode) Connecting the system to an AC outlet 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 13: Turning The Power Off (Standby Mode)

    Turning the power off (Standby mode) Press (power). (power) indicator turns off. (power) indicator lights up in amber when the BLUETOOTH standby function is turned on. Related Topic Auto Standby function Using the BLUETOOTH standby function 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 14: Using The Bluetooth Standby Function

    BLUETOOTH device. At the time of purchase, this setting is set to off. This setting can only be configured by using “ Sony | Music Center.” For details on “ Sony | Music Center,” see What you can do with “Sony | Music Center”.
  • Page 15 When the BLUETOOTH standby function is activated, the (power) indicator lights up in amber while the system is turned off. Related Topic Turning the power on Pairing and connecting with BLUETOOTH devices About the indicators 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 16: Auto Standby Function

    When the Auto Standby function is set to off, the (power) indicator flashes once. When the Auto Standby function is set to on, the (power) indicator flashes 3 times. Hint You can turn off/on the Auto Standby function using “Sony | Music Center.” 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 17 By holding down the button for more than 3 seconds again, the lighting function turns on/off again. Hint By using the “Illumination” function on “Sony | Music Center,” you can turn on/off the lighting function or choose the various lighting modes.
  • Page 18 Related Topic Deactivating the demonstration mode 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 19: Deactivating The Demonstration Mode

    LIGHT for more than 3 seconds while the demonstration is performed. The demonstration ends and the speaker light turns off. To activate the demonstration mode Hold down W.PARTY CHAIN/ LIGHT during the standby mode. Disconnect and reconnect the AC power cord (mains lead). 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 20: Compatible Usb Devices

    This system does not necessarily support all the functions provided in a connected USB device. Press FUNCTION/ PAIRING repeatedly until the USB indicator on the system lights up. Connect a USB device to the (USB) port. Related Topic Listening to music of a USB device 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 21 Help Guide Home Audio System GTK-XB72 Pairing and connecting with BLUETOOTH devices When pairing with two or more BLUETOOTH devices, perform the following pairing procedure for each device. Before operating the system, be sure to do the following: Place the BLUETOOTH device within 1 m from the system.
  • Page 22 Perform the pairing procedure on the BLUETOOTH device to detect the system. When a list of detected devices appears on the display of the BLUETOOTH device, select [GTK-XB72]. If a passkey is required on the display of the BLUETOOTH device, enter [0000].
  • Page 23 Related Topic Terminating the BLUETOOTH connection (After use) 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 24: Connecting With An Nfc-Compatible Device By One-Touch (Nfc)

    Hint If pairing and the BLUETOOTH connection fail, do the following: Remove the case from the BLUETOOTH device if using a commercially available case. Touch the BLUETOOTH device to the N-Mark on the system again. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 25 Help Guide Home Audio System GTK-XB72 Listening to music of an external audio device, etc. You can listen to music of an external audio device by connecting the device to the system with an audio cable (not supplied). Connect an external audio device and the AUDIO/PARTY CHAIN IN L/R jacks on the system with an audio cable.
  • Page 26 When playing music on the connected external audio device, you cannot use (play/pause) and (previous/next) on the system to perform operations such as pause, skip to the beginning of the next track, and skip to the beginning of the current track. Related Topic Auto Standby function 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 27: Listening To Music Of A Usb Device

    The system can play back to a depth of 8 folders only. Folders that have no audio files are skipped. Note that even when the file name has the correct file extension, if the actual file differs, the system may emit noise or malfunction. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 28: Listening To Music Of A Device Via Bluetooth Connection

    Help Guide Home Audio System GTK-XB72 Listening to music of a device via BLUETOOTH connection You can enjoy listening to music of a BLUETOOTH device and operate it by the system via BLUETOOTH connection if it supports the following BLUETOOTH profiles.
  • Page 29 Noise or sound interruption may occur depending on the BLUETOOTH device connected with the system, the communication environment or the usage environment. Related Topic Pairing and connecting with BLUETOOTH devices Terminating the BLUETOOTH connection (After use) 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 30: Selecting The Bluetooth Audio Streaming Playback Quality (Codec)

    Launch “Sony | Music Center” and follow the on-screen instructions. You can select an audio codec option from the following two settings by using the system or “Sony | Music Center.” At the time of purchase, this setting is set to [AUTO].

  • Page 31: Terminating The Bluetooth Connection (After Use)

    When using the Speaker Add function, if you turn off one system, the other system is automatically turned off. The BLUETOOTH connection between them is disconnected. When you finish playing music, the BLUETOOTH connection may terminate automatically depending on the BLUETOOTH device. Related Topic Turning the power on Auto Standby function 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 32: Connecting This System With Multiple Bluetooth Devices (Multi-Device Connection)

    Depending on the BLUETOOTH devices, you may not be able to make three BLUETOOTH connections at the same time. You cannot establish a multi-device connection when using the Wireless Party Chain function, Speaker Add function or hands- free call function. Related Topic Pairing and connecting with BLUETOOTH devices 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 33: Turning On Or Off The Bluetooth Signal

    Note You cannot perform the following operations when BLUETOOTH signal is set to off: Pair and/or connect with BLUETOOTH device. Use “Sony | Music Center.” Change the BLUETOOTH audio codecs. Use the hands-free function. If you touch the N-Mark on the system with an NFC-compatible BLUETOOTH device or set the BLUETOOTH standby mode to on, the BLUETOOTH signal will be set to on automatically.
  • Page 34 Help Guide Home Audio System GTK-XB72 Connecting multiple audio systems (Wired Party Chain function) You can connect multiple audio systems in a chain to create a more exciting party environment and produce higher sound output. One activated system in the chain serves as the “Party Host” and shares music.
  • Page 35 You must select the first system as the Party Host so that all the systems are playing the same music when the Wired Party Chain function is activated. Related Topic Enjoying music playback with multiple audio systems (Wired Party Chain function) 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 36 Help Guide Home Audio System GTK-XB72 Enjoying music playback with multiple audio systems (Wired Party Chain function) You can enjoy music using the wired multiple audio systems. Turn on all the systems. Adjust the volume on each system. Activate the Wired Party Chain function on the system to be used as the Party Host.
  • Page 37 If the selected system does not become the new Party Host after a few seconds, repeat step For details of operations on other systems, refer to the operating instructions for the systems. Related Topic Connecting multiple audio systems (Wired Party Chain function) 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 38: Compatible Devices

    Set up the first system as the Party Host. The following operation is an example of setting GTK-XB72 as the first system. Refer to the operating instructions supplied with the device you are using to set up other devices compatible with the Wireless Party Chain function.

  • Page 39: Start Playback

    Depending on the connected device, the volume may not be synchronized with the volume you adjusted on the first system. Hint You can also operate the Wireless Party Chain function on “Sony | Music Center.” What you can do with the Wireless Party Chain function depends on the systems you connect.
  • Page 40 To terminate all connections and exit the Wireless Party Chain function Press FUNCTION/ PAIRING or turn the power off on the Party Host. To terminate only one system Press W.PARTY CHAIN on the Party Guest you want to leave. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 41: Listening To Music Wirelessly With Two Systems (Speaker Add Function)

    In the following steps, the two systems are described as “system [A]” (or master system) and “system [B].” Only the same model systems can be used in Speaker Add function. Bring two GTK-XB72 systems within 1 m of each other. Press FUNCTION/...
  • Page 42 Activate the pairing mode on the system [A], and then perform the BLUETOOTH connection with a BLUETOOTH device. For details on the pairing, see the following topics. Pairing and connecting with BLUETOOTH devices Connecting with an NFC-compatible device by One-touch (NFC) Start playback on the BLUETOOTH device and adjust the volume.
  • Page 43 Related Topic Switching between double mode and stereo mode (Speaker Add function) Terminating the Speaker Add function 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 44: Switching Between Double Mode And Stereo Mode (Speaker Add Function)

    Help Guide Home Audio System GTK-XB72 Switching between double mode and stereo mode (Speaker Add function) Using two systems, you can switch between the double mode, where the same sound is played back on both systems, and the stereo mode, where one system outputs the left channel sound and the other system outputs the right channel sound for stereo playback.
  • Page 45 The left channel sound is played back on one system, and the right channel sound is played back on the other system. Stereo mode (Right/Left): Switches the channel of the two systems (left channel/right channel) and plays back. Related Topic Listening to music wirelessly with two systems (Speaker Add function) 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 46 Unless you terminate the function, the system will try to establish the last made connection next time you turn on the system. Related Topic Listening to music wirelessly with two systems (Speaker Add function) Switching between double mode and stereo mode (Speaker Add function) 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 47 Help Guide Home Audio System GTK-XB72 Listening to music of an external audio device, etc. You can listen to music of an external audio device by connecting the device to the system with an audio cable (not supplied). Connect an external audio device and the AUDIO/PARTY CHAIN IN L/R jacks on the system with an audio cable.
  • Page 48 When playing music on the connected external audio device, you cannot use (play/pause) and (previous/next) on the system to perform operations such as pause, skip to the beginning of the next track, and skip to the beginning of the current track. Related Topic Auto Standby function 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 49 You can add a live sound effect (LIVE Sound) to music. At the time of purchase, the LIVE Sound mode is set to off. Press LIVE to turn on/off the LIVE Sound mode. The LIVE indicator lights up. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 50 You can reinforce bass sound and listen to more powerful sound (EXTRA BASS). At the time of purchase, the EXTRA BASS mode is set to on. Press EXTRA BASS to turn on/off the EXTRA BASS mode. The EXTRA BASS indicator lights up in red. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 51: Receiving A Call

    Help Guide Home Audio System GTK-XB72 Receiving a call You can enjoy hands-free calls with a BLUETOOTH mobile phone that supports HFP (Hands-free Profile) or HSP (Headset Profile). To use this function, make sure that a BLUETOOTH connection has been established.
  • Page 52 Press (play/pause)/ (call) to end the call. Related Topic Pairing and connecting with BLUETOOTH devices Terminating the BLUETOOTH connection (After use) Making a call Connecting this system with multiple BLUETOOTH devices (Multi-device connection) 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 53: Making A Call

    Help Guide Home Audio System GTK-XB72 Making a call You can enjoy hands-free calls with a BLUETOOTH mobile phone that supports HFP (Hands-free Profile) or HSP (Headset Profile). To use this function, make sure that a BLUETOOTH connection has been established.
  • Page 54 Operations may vary depending on the BLUETOOTH mobile phone. Refer to the operating instructions for your mobile phone. Related Topic Pairing and connecting with BLUETOOTH devices Terminating the BLUETOOTH connection (After use) Receiving a call Connecting this system with multiple BLUETOOTH devices (Multi-device connection) 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 55 Grouping with other audio systems (Speaker Add function / Wireless Party Chain function) , etc. Hint What you can control with “Sony | Music Center” varies depending on the connected device. The specifications and design of the app may change without notice. Be sure to use the latest version of the app.
  • Page 56 GTK-XB72 Installing “Sony | Music Center” Install “Sony | Music Center” on your smartphone, iPhone, etc. from the App Store or on Google Play. Download “Sony | Music Center” on Google Play or the App Store and install it. When the installation is complete, start “Sony | Music Center.”...
  • Page 57 Home Audio System GTK-XB72 What you can do with “Fiestable” “Fiestable” is an app for operating Sony audio devices compatible with “Fiestable” from smartphones, iPhone, etc. Operations that can be performed on the system with “Fiestable” DJ Control DJ sound effects can be added.
  • Page 58 Install “Fiestable” on your smartphone, iPhone, etc. on Google Play or the App Store. Download “Fiestable” on Google Play or the App Store and install it. When the installation is completed, start “Fiestable” from the “Sony | Music Center” screen. Related Topic Installing “Sony | Music Center”...
  • Page 59 After activating the Google app, when a certain time has passed without requests, a beep will sound and the Google app will be deactivated. Note The Google app cannot be activated when you say “OK Google” through the system’s microphone even when the Android smartphone’s [OK Google] setting is on. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 60: Using The Voice Assist Function (Siri)

    For details on Siri, such as apps which work with Siri, refer to the operating instructions supplied with the iPhone/iPod touch. Note Siri cannot be activated when you say “Hey Siri” through the system’s microphone even when the iPhone/iPod touch’s [Allow “Hey Siri”] setting is on. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 61: Using An External Microphone

    Adjust the volume using the MIC level knob. Speak or sing into the connected microphone. Note When using the Wireless Party Chain or Speaker Add function, sound from the microphone is only output from the system to which the microphone is connected. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 62: Using The Voice Guidance

    Tap [OFF] to set the Voice Guidance mode to off. To turn off the Voice Guidance mode Perform steps again to turn off the Voice Guidance mode. Hint At the time of purchase, the Voice Guidance mode is set to on. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 63: Listening To Built-In Sound Demonstration

    The USB function is automatically selected and the USB indicator on the system lights up. Then, the built-in sound demonstration is played back. To stop the demonstration Press FUNCTION/ PAIRING repeatedly to select the function other than the USB function. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 64: About The Indicators

    Help Guide Home Audio System GTK-XB72 About the indicators (power) indicator Turns off The system is turned off. Lights up (green) The system is turned on. Lights up (amber) The system is turned off, and the BLUETOOTH standby mode is turned on.

  • Page 65: Extra Bass Indicator

    Enjoying music playback with multiple audio systems (Wired Party Chain function) Enjoying wireless playback using multiple audio systems (Wireless Party Chain function) Listening to music wirelessly with two systems (Speaker Add function) Switching between double mode and stereo mode (Speaker Add function) 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 66: About The Bluetooth Wireless Technology

    Help Guide Home Audio System GTK-XB72 About the BLUETOOTH wireless technology The BLUETOOTH wireless technology operates within a range of about 10 m. Maximum communication range Maximum communication range may shorten under the following conditions. There is an obstacle such as a person, metal, or wall between the system and BLUETOOTH device.
  • Page 67 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 68 Apple performance standards. Apple is not responsible for the operation of this device or its compliance with safety and regulatory standards. LDAC™ and LDAC logo are trademarks of Sony Corporation. ™ and ® marks are omitted in the documents.

  • Page 69: Customer Support Websites

    Customer support websites You can access the following customer support websites to get support information about your system. For customers in the Americas: https://www.sony.com/am/support For customers in Europe: https://www.sony.eu/support For customers in other countries/regions: https://www.sony-asia.com/support 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 70: What Can I Do To Solve A Problem

    System does not operate properly..) Look up information on the issue on the customer support website. Access the support websites to get support information about your system. Related Topic Customer support websites System does not operate properly. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 71: The Power Does Not Turn On

    The power does not turn on. Check that the AC power cord (mains lead) is connected to the AC IN jack on the rear of the system. Related Topic Connecting the system to an AC outlet Turning the power on 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 72 The system has entered standby mode. This is not a malfunction. The system enters standby mode automatically in about 15 minutes when there is no operation or audio signal output. Related Topic Auto Standby function 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 73: There Is No Sound

    GTK-XB72 There is no sound. Adjust the volume. Check the connection of the optional equipment, if any. Turn on the connected equipment. Related Topic Connecting the system to an AC outlet Turning the power on 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 74 Connect the system to a different wall outlet. Install a noise filter (not supplied) to the AC power cord (mains lead). Turn off surrounding electrical equipment. Move the system away from the neon signs or fluorescent light. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 75 GTK-XB72 A clicking sound is heard when the system is turned on. This is the operating sound and it occurs when the system is turned on or off, for example. This is not a malfunction. 4-748-029-41(1) Copyright 2019 Sony Corporation...

  • Page 76: Playback Does Not Start

    Turn off the system and reconnect the USB device, then turn on the system. Check the information on the website about compatible USB devices. Related Topic Turning the power on Turning the power off (Standby mode) Connecting with a USB device 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 77 This system supports FAT16 and FAT32, but some USB devices may not support all of these FAT. For details, refer to the operating instructions of each USB device or contact the manufacturer. If you use a partitioned USB device, only files on the first partition can be played back. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 78 The USB device is not connected correctly. Turn off the system and reconnect the USB device, then turn on the system. The system does not support the audio file format. Related Topic Turning the power on Turning the power off (Standby mode) Connecting with a USB device Listening to music of a USB device 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 79 The bit rate used in encoding an audio file was low. Send an audio file with higher bit rate to the USB device. Related Topic Turning the power on Turning the power off (Standby mode) Connecting with a USB device 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 80 The reading process can take a long time in the following cases. There are many folders or files on the USB device. The file structure is extremely complex. The memory capacity is excessive. The internal memory is fragmented. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 81 The USB device is not working properly. Refer to the operating instructions of the USB device on how to deal with this problem. Related Topic Turning the power on Turning the power off (Standby mode) Connecting with a USB device 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 82 Pairing may not be possible if other BLUETOOTH devices are present around the system. In this case, turn off the other BLUETOOTH devices. Make sure to enter the correct passkey when selecting the system’s name (this system) on the BLUETOOTH device. Related Topic Pairing and connecting with BLUETOOTH devices 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 83 Help Guide Home Audio System GTK-XB72 The BLUETOOTH device cannot detect the system. Check if the BLUETOOTH signal is turned on. Related Topic Turning on or off the BLUETOOTH signal 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 84 Enable the BLUETOOTH function of the BLUETOOTH device. Establish a connection from the BLUETOOTH device. The pairing registration information has been erased. Perform the pairing operation again. Related Topic Pairing and connecting with BLUETOOTH devices 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 85 Help Guide Home Audio System GTK-XB72 iPhone/iPod cannot be connected with the system. The system is compatible with iOS 10.0 or later. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 86 If there is equipment that generates electromagnetic radiation, such as a wireless LAN, other BLUETOOTH device, or a microwave oven nearby, move them away. Select the appropriate audio codec option. Related Topic Selecting the BLUETOOTH audio streaming playback quality (Codec) 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 87 Help Guide Home Audio System GTK-XB72 The sound of your BLUETOOTH device cannot be heard on this system. Increase the volume on your BLUETOOTH device first, then adjust the volume using –/+ (volume). 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 88 If there are obstacles between the system and your BLUETOOTH device, remove or avoid the obstacles. If there is equipment that generates electromagnetic radiation, such as a wireless LAN, other BLUETOOTH device, or a microwave oven nearby, move them away. Turn down the volume of the connected BLUETOOTH device. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 89 Wired Party Chain function cannot be activated. Check the connections. Make sure the audio cables are connected correctly. Related Topic Connecting multiple audio systems (Wired Party Chain function) Enjoying music playback with multiple audio systems (Wired Party Chain function) 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 90 Wired Party Chain function does not work properly. Turn off the system. Then, turn it on again to activate the Wired Party Chain function. Check if the BLUETOOTH signal is turned on. Related Topic Turning on or off the BLUETOOTH signal 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 91 After connecting all the systems, perform the pairing and connecting operations between the BLUETOOTH device and the Party Host. Related Topic Enjoying wireless playback using multiple audio systems (Wireless Party Chain function) Terminating the Wireless Party Chain function 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 92 BLUETOOTH device cannot be connected to the system during Speaker Add function. After connecting two same model systems, perform the pairing and connecting operations between the BLUETOOTH device and the Host system. Related Topic Listening to music wirelessly with two systems (Speaker Add function) 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 93 Help Guide Home Audio System GTK-XB72 There is no microphone sound. Turn the MIC level knob to adjust the microphone volume level. Make sure the microphone is turned on. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 94 Help Guide Home Audio System GTK-XB72 There is acoustic feedback. Reduce the volume. Move the microphone away from the system or change the direction of the microphone. 4-748-029-41(1) Copyright 2019 Sony Corporation...
  • Page 95 PAIRING and – (volume) on the system for more than 5 seconds. After all the indicators on the system flash for more than 3 seconds, all user-configured settings, such as the pairing registration information, are reset to factory default settings. 4-748-029-41(1) Copyright 2019 Sony Corporation...

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