Sony MDR-ZX780DC Help Manual
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Sony MDR-ZX780DC Help Manual

Wireless noise cancelling stereo headset
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Help Guide
Wireless Noise Cancelling Stereo Headset
MDR-ZX780DC
Use this manual if you encounter any problems, or have any questions.
Getting started
Before first use
Read this first
Features
What you can do with the headset
Parts and controls
Location and function of parts
BLUETOOTH function indicator
Supplied accessories
List of the included items

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  • Page 1 Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Use this manual if you encounter any problems, or have any questions. Getting started Before first use Read this first Features What you can do with the headset Parts and controls Location and function of parts...
  • Page 2 About the supplied manuals Charging the headset System requirements for battery charge using USB Charging the headset Available operating time Checking the remaining battery charge Making connections BLUETOOTH connection What you can do with the BLUETOOTH function How to make a wireless connection to BLUETOOTH devices One-touch connection (NFC) compatible Android devices One-touch connection (NFC) with a smartphone (Android 4.1 or later) One-touch connection (NFC) with a smartphone (Android 2.3.3 or later, and less than Android 4.1)
  • Page 3 Headphone cable connection Using the supplied headphone cable Listening to music Listening to music via a BLUETOOTH connection Listening to music from a device connected via BLUETOOTH Controlling the audio device (BLUETOOTH connection) Disconnecting BLUETOOTH connection (after use) Noise cancelling function Noise cancelling function Using the noise cancelling function Using the AI noise cancelling function...
  • Page 4 Support website Customer support websites Troubleshooting Troubleshooting What can I do to solve a problem? Power The headset is not turned on. Charging Charging cannot be done. Charging time is too long. The headset cannot be recognized by a computer. Sound No sound Low sound level...
  • Page 5 Resetting or initializing the headset Resetting the headset Initializing the headset to restore factory settings 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 6: Table Of Contents

    Table Of Contents Help Guide MDR-ZX780DC ......................Getting started ..........................Before first use ..........................Read this first ..........................Features ............................What you can do with the headset ................... Parts and controls ..........................Location and function of parts ....................BLUETOOTH function indicator ....................
  • Page 7 Connecting the headset to both a music player and a smartphone or mobile phone ............................Connecting the headset to 2 Android smartphones ............... Connecting the headset to an Android smartphone and an iPhone ........Headphone cable connection ......................Using the supplied headphone cable ..................
  • Page 8 The headset cannot be recognized by a computer..............Sound ............................. No sound ..........................Low sound level ........................Low sound quality ........................Sound skips frequently during playback................. The noise cancelling effect is not sufficient................Pairing ............................Pairing cannot be done......................

  • Page 9: Read This First

    This includes information about using your headset safely, and specifications of your headset. For information about the customer support Web site, access: (http://www.sony.net/) About battery charging Charge the headset before you use it for the first time. Related Topic Charging the headset 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 10: What You Can Do With The Headset

    SBC, AAC and Qualcomm® aptX™ compatible 40 mm driver unit Comfort around-ear style A headphone cable is included for use as wired headphones if the battery runs out. Carrying pouch, carrying case Swivels flat and easy portability 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 11: Location And Function Of Parts

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Location and function of parts Headband right unit Slider Slide to adjust the length of the headband. left unit Built-in antenna The BLUETOOTH antenna is built into the headset. RESET button Resets and turns off the headset.
  • Page 12 Otherwise, you may not hear the sound normally. Indicator (green) Shows the noise cancelling status. NC (noise cancelling) button Jog switch ( VOL (volume) +/- buttons Related Topic BLUETOOTH function indicator Checking the remaining battery charge 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 13: Bluetooth Function Indicator

    ○ ○ ○ - - - - - - - ○ ○ ○ - - - - - - -... Incoming call ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○... Hint When the remaining battery charge becomes low, the indicator turns from blue to red, except for pairing mode. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 14: List Of The Included Items

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC List of the included items After opening the package, check that all items in the list are included in the package. If items are missing, contact your dealer. Numbers in ( ) indicate the item amount.
  • Page 15 Other documents (1 set) 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 16: About The Supplied Manuals

    Operation manual on the Web, which can be accessed by a PC or smartphone, provides the detailed information on how to use the headset and troubleshooting, etc. Operating Instructions (enclosed paper) Provides basic information on how to connect or use the headset. Reference Guide (enclosed paper) Provides precautions and specifications. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 17: System Requirements For Battery Charge Using Usb

    Windows Vista® (Service Pack 2 or later) Home Basic / Home Premium / Business / Ultimate When using Mac Mac OS X (version 10.3 or later) Note Sony does not guarantee proper operation in all system environments. When using Windows 8.1 update using Windows Update. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 18: Charging The Headset

    If the headset detects a problem while charging due to following causes, the indicator (red) may turn off, although charging is not complete. In this case, charge again within the charging temperature range. If the problem persists, consult your nearest Sony dealer.
  • Page 19 If the headset is not used for a long time, it may take longer to charge the battery. If the life of the built-in rechargeable battery drops significantly, the battery should be replaced. Consult your nearest Sony dealer for replacement of the rechargeable battery.

  • Page 20: Available Operating Time

    Standby time: Max. 26 hours (NC ON)/Max. 150 hours (NC OFF) When connecting via the headphone cable: Max. 24 hours (NC ON) Note Usage hours may be shorter depending on the Codec and the conditions of use. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 21: Checking The Remaining Battery Charge

    3 times: High 2 times: Medium 1 time: Low (needs to charge) When the battery is almost empty The indicator turns red. When the battery becomes empty, the headset sounds a warning beep and turns off automatically. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 22: What You Can Do With The Bluetooth Function

    You can receive audio signals from a smartphone, mobile phone, or music player to enjoy music wirelessly. Talking on the phone You can make and receive a call with your hands free, while leaving your smartphone or mobile phone in your bag or pocket. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 23: How To Make A Wireless Connection To Bluetooth Devices

    You must pair a device with the headset before you start using the headset. Connecting the headset to a paired device Once BLUETOOTH devices are paired, there is no need to pair them again. Connect a device already paired by the method that applies for that device. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 24: One-Touch Connection (Nfc) With A Smartphone (Android 4.1 Or Later)

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC One-touch connection (NFC) with a smartphone (Android 4.1 or later) By touching the headset with a smartphone, the headset turns on automatically and then pairs and makes a BLUETOOTH connection. Compatible smartphones NFC-compatible smartphones installed with Android 4.1 or later...
  • Page 25 (One-touch connection switching). Related Topic How to make a wireless connection to BLUETOOTH devices Disconnecting the smartphone by one touch (NFC) Switching the device by one touch (NFC) Listening to music from a device connected via BLUETOOTH 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 26: One-Touch Connection (Nfc) With A Smartphone (Android 2.3.3 Or Later, And Less Than Android 4.1)

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC One-touch connection (NFC) with a smartphone (Android 2.3.3 or later, and less than Android 4.1) By touching the headset with a smartphone, the headset turns on automatically and then pairs and makes a BLUETOOTH connection.
  • Page 27 Make sure that the app screen is displayed on the smartphone. Touch the headset with the smartphone. Confirm that the screen of the smartphone is unlocked. Touch the smartphone on the N-Mark of the headset. Keep touching the headset with the smartphone until the smartphone reacts.
  • Page 28 Switching the device by one touch (NFC) Listening to music from a device connected via BLUETOOTH 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 29: Disconnecting The Smartphone By One Touch (Nfc)

    After the headset is disconnected from the smartphone, if no operation is performed for about 5 minutes, the headset turns off automatically. To turn off the headset before that, press and hold the POWER button for about 2 seconds. The indicator (blue) goes off and the headset turns off. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 30: Switching The Device By One Touch (Nfc)

    BLUETOOTH headset or BLUETOOTH speaker, the smartphone disconnects from the headset, and connects to the BLUETOOTH device it touched. Note Unlock the screen of the smartphone beforehand. If you installed the app “NFC Easy Connect” in the smartphone, start the app “NFC Easy Connect.” 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 31: Pairing And Connecting With An Android Smartphone

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Pairing and connecting with an Android smartphone Pairing is the process required to create a link between BLUETOOTH devices to allow wireless connection. You must pair a device with the headset to be able to make a BLUETOOTH connection for the first time.
  • Page 32 If they are not connected, see “Connecting to a paired Android smartphone.” If [MDR-ZX780DC] does not appear on the display, try again from step 3. A Passkey may be called a “Passcode,” a “PIN code,” or a “Password.” Note If pairing is not established within about 5 minutes, pairing mode will be canceled and the headset will turn off. In this case, start over from step 1.
  • Page 33 How to make a wireless connection to BLUETOOTH devices Connecting to a paired Android smartphone Listening to music from a device connected via BLUETOOTH Disconnecting BLUETOOTH connection (after use) Initializing the headset to restore factory settings 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 34: Connecting To A Paired Android Smartphone

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Connecting to a paired Android smartphone Unlock the screen of the Android smartphone. Turn on the headset. Press and hold the POWER button for about 2 seconds. Make sure that the indicator (blue) flashes after you release the button.
  • Page 35 If connection fails, terminate the BLUETOOTH connection from the device that was previously connected. Related Topic How to make a wireless connection to BLUETOOTH devices Pairing and connecting with an Android smartphone Listening to music from a device connected via BLUETOOTH Disconnecting BLUETOOTH connection (after use) 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 36: Pairing And Connecting With An Iphone

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Pairing and connecting with an iPhone Pairing is the process required to create a link between BLUETOOTH devices to allow wireless connection. You must pair a device with the headset to be able to make a BLUETOOTH connection for the first time.
  • Page 37 If they are not connected, see “Connecting to a paired iPhone.” If [MDR-ZX780DC] does not appear on the display, try again from step 3. A Passkey may be called a “Passcode,” a “PIN code,” or a “Password.” Note If pairing is not established within about 5 minutes, pairing mode will be canceled and the headset will turn off. In this case, start over from step 1.
  • Page 38 How to make a wireless connection to BLUETOOTH devices Connecting to a paired iPhone Listening to music from a device connected via BLUETOOTH Disconnecting BLUETOOTH connection (after use) Initializing the headset to restore factory settings 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 39: Connecting To A Paired Iphone

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Connecting to a paired iPhone Unlock the screen of the iPhone. Turn on the headset. Press and hold the POWER button for about 2 seconds. Make sure that the indicator (blue) flashes after you release the button.
  • Page 40 If connection fails, terminate the BLUETOOTH connection from the device that was previously connected. Related Topic How to make a wireless connection to BLUETOOTH devices Pairing and connecting with an iPhone Listening to music from a device connected via BLUETOOTH Disconnecting BLUETOOTH connection (after use) 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 41: Pairing And Connecting With Other Bluetooth Devices

    Make sure that the indicator flashes blue and red alternately after you release the button. Perform the pairing procedure on the BLUETOOTH device to search for this headset. [MDR-ZX780DC] will be displayed on the list of detected devices on the screen of the BLUETOOTH device. If not displayed, repeat from step 1.
  • Page 42 How to make a wireless connection to BLUETOOTH devices Connecting to a paired BLUETOOTH device Listening to music from a device connected via BLUETOOTH Disconnecting BLUETOOTH connection (after use) Initializing the headset to restore factory settings 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 43: Connecting To A Paired Bluetooth Device

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Connecting to a paired BLUETOOTH device Turn on the headset. Press and hold the POWER button for about 2 seconds. Make sure that the indicator (blue) flashes after you release the button.
  • Page 44 If connection fails, terminate the BLUETOOTH connection from the device that was previously connected. Related Topic How to make a wireless connection to BLUETOOTH devices Pairing and connecting with other BLUETOOTH devices Listening to music from a device connected via BLUETOOTH Disconnecting BLUETOOTH connection (after use) 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 45: Connecting The Headset To Both A Music Player And A Smartphone Or Mobile Phone

    At the same time, an A2DP connection may also be made automatically. If this happens, disconnect the headset from the smartphone or mobile phone once using the phone, then connect the devices again by repeating the process from step 2. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 46: Connecting The Headset To 2 Android Smartphones

    On the smartphone connected to the headset, uncheck either [Phone audio] (HFP) or [Media audio] (A2DP). Example: To connect “Media audio” (A2DP) only Touch [Settings] - [Bluetooth] - the setting icon next to [MDR-ZX780DC]. On the [Paired Bluetooth device] screen, uncheck [Phone audio]. Terminate the BLUETOOTH connection of the smartphone.
  • Page 47 Use the first smartphone to establish a BLUETOOTH connection again. Both smartphones are connected to the headset with only one function enabled. Hint The above procedure is an example. For details, refer to the operating instructions supplied with your Android smartphones. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 48: Connecting The Headset To An Android Smartphone And An Iphone

    On the Android smartphone connected to the headset, uncheck either [Phone audio] (HFP) or [Media audio] (A2DP). Example: To connect “Media audio” (A2DP) only Touch [Settings] - [Bluetooth] - the setting icon next to [MDR-ZX780DC]. On the [Paired Bluetooth device] screen, uncheck [Phone audio].
  • Page 49 The above procedure is an example. For details, refer to the operating instructions supplied with your Android smartphone. Note If you connect an Android smartphone with [Phone audio] (HFP), the remaining battery charge of the headset will not be displayed correctly on an iPhone. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 50: Using The Supplied Headphone Cable

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Using the supplied headphone cable You can use the headset as ordinary wired headphones by connecting a device via the supplied headphone cable. The headset can be charged while in use. Connect a playback device to the INPUT jack with the supplied headphone cable.

  • Page 51: Listening To Music From A Device Connected Via Bluetooth

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Listening to music from a device connected via BLUETOOTH You can enjoy listening to music and basic remote control operation of a BLUETOOTH device via a BLUETOOTH connection. The BLUETOOTH device is required to support the following BLUETOOTH profiles.
  • Page 52 How to make a wireless connection to BLUETOOTH devices Controlling the audio device (BLUETOOTH connection) Disconnecting BLUETOOTH connection (after use) Using the noise cancelling function Using the AI noise cancelling function Switching the sound quality mode 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 53: Controlling The Audio Device (Bluetooth Connection)

    If the communication condition is poor, the BLUETOOTH device may react incorrectly to the operation on the headset. The available functions may vary depending on the BLUETOOTH device. When you operate as illustrated above, it may operate differently or may not work at all. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 54: Disconnecting Bluetooth Connection (After Use)

    Turn off the BLUETOOTH device. Hint When you finish playing music, the BLUETOOTH connection may terminate automatically, depending on the BLUETOOTH device. Related Topic Disconnecting the smartphone by one touch (NFC) Switching the device by one touch (NFC) 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 55: Noise Cancelling Function

    Mobile phones may cause interference and noise. Should this occur, locate the headset farther away from the mobile phone. Do not cover the microphones of the headphones with your hands. The noise cancelling function may not work properly. A: Microphones Related Topic Using the noise cancelling function Using the AI noise cancelling function 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 56: Using The Noise Cancelling Function

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Using the noise cancelling function If you use the noise cancelling function, you can enjoy music without being disturbed by ambient noise. Press and hold the POWER button for about 2 seconds when the headset is turned off to turn on the headset.
  • Page 57 Related Topic Noise cancelling function Using the AI noise cancelling function 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 58: Using The Ai Noise Cancelling Function

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Using the AI noise cancelling function AI noise cancelling is a useful function that automatically selects one of the noise cancelling modes. This function provides the most effective noise cancelling mode by immediately analyzing ambient sound components.
  • Page 59 Related Topic Noise cancelling function Using the noise cancelling function 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 60: Switching The Sound Quality Mode

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Switching the sound quality mode The sound quality is set to the “Standard” mode (SBC high quality mode) as the default setting. When using an AAC or aptX compatible device, select the “Priority on sound quality” mode.
  • Page 61 The playback time may become shorter, depending on the sound quality and the conditions under which you are using the headset. Depending on the ambient conditions in the area where you are using the headset, intermittent sound may still occur, even if the “Priority on stable connection” mode is selected. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 62: Receiving A Call

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Receiving a call You can enjoy a hands-free call with a smartphone or mobile phone that supports the BLUETOOTH profile HFP (Hands-free Profile) or HSP (Headset Profile), via a BLUETOOTH connection. If your smartphone or mobile phone supports both HFP and HSP, set it to HFP.
  • Page 63 Volume during a call and volume during music playback can be adjusted independently. Changing call volume does not change the volume of music playback, and vice versa. Related Topic How to make a wireless connection to BLUETOOTH devices Disconnecting BLUETOOTH connection (after use) Making a call Functions for a phone call 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 64: Making A Call

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Making a call You can enjoy a hands-free call with a smartphone or mobile phone that supports the BLUETOOTH profile HFP (Hands-free Profile) or HSP (Headset Profile), via a BLUETOOTH connection. If your smartphone or mobile phone supports both HFP and HSP, set it to HFP.
  • Page 65 Volume for a call and listening to music can be adjusted independently. Even if you change the volume while playing back music, the volume of a call does not change. Related Topic How to make a wireless connection to BLUETOOTH devices Disconnecting BLUETOOTH connection (after use) Receiving a call Functions for a phone call 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 66: Functions For A Phone Call

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Functions for a phone call The available functions may vary depending on the profile supported by your smartphone or mobile phone. Even if the profile is the same, functions may vary depending on the smartphone or mobile phone.
  • Page 67 Receiving a call Making a call 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 68: Using The Voice Assist Function (Siri)

    * After activating Siri, when a certain time has passed without requests, a beep will sound and Siri will be deactivated. Note Siri cannot be activated when you say “Hey Siri” through the headset’s microphone even when the iPhone/iPad’s [Allow “Hey Siri”] setting is on. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 69: Precautions

    The earpads may deteriorate due to long-term storage or use. Optional replacement earpads can be ordered from your nearest Sony dealer. If you have any questions or problems concerning this headset that are not covered in this manual, please consult your nearest Sony dealer.

  • Page 70: What Is Bluetooth Wireless Technology

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC What is BLUETOOTH wireless technology? BLUETOOTH wireless technology is a short-range wireless technology that enables wireless data communication between digital devices, such as a computer and digital camera. BLUETOOTH wireless technology operates within a range of about 10 m (30 feet).
  • Page 71 Even if the connected device conforms to the above mentioned BLUETOOTH standard, some devices may not be connected or work correctly, depending on the features or specifications of the device. Noise or sound skips may occur depending on the BLUETOOTH device connected with this unit, the communication environment or the usage environment. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 72: Trademarks

    MDR-ZX780DC Trademarks The BLUETOOTH word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Sony Corporation is under license. The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries.

  • Page 73: Customer Support Websites

    Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Customer support websites Please access the following support home page to get the support information about your headset: For customers in the U.S.A: http://esupport.sony.com/ For customers in Canada: http://esupport.sony.com/CA/ 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 74: What Can I Do To Solve A Problem

    Initialize the headset. This operation resets volume settings, etc., and deletes all pairing information. Look up information on the issue on the customer support website. If the operations above do not work, consult your nearest Sony dealer. Related Topic Charging the headset...

  • Page 75: The Headset Is Not Turned On

    Charge the battery of the headset. The headset cannot be turned on while charging the battery. Remove the micro-USB cable from the headset, and then turn on the headset again. Related Topic Charging the headset Checking the remaining battery charge 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 76: Charging Cannot Be Done

    Check that the micro-USB cable is connected to the headset and the computer firmly. Check that the computer is turned on. Check that the computer is not in standby, sleep or hibernation mode. When using Windows 8.1 update using Windows Update. Related Topic Charging the headset 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 77: Charging Time Is Too Long

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Charging time is too long. Check that the headset and the computer are directly connected, not via a USB hub. Related Topic Charging the headset 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 78: The Headset Cannot Be Recognized By A Computer

    A problem may have occurred with the connected USB port of the computer. Connect to another USB port if it is available. Try the USB connection procedure again in cases other than those stated above. Check that you are using the micro-USB cable supplied. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 79: No Sound

    Pair the headset and the BLUETOOTH device again. Check that the headphone cable is connected firmly. Related Topic How to make a wireless connection to BLUETOOTH devices Listening to music from a device connected via BLUETOOTH 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 80: Low Sound Level

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Low sound level Turn up the volume of the headset and the connected device. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 81: Low Sound Quality

    If the sound quality does not improve after a few seconds, press the button on the headset once during playback. Or, operate the computer to make an A2DP connection. Refer to the operating instructions supplied with your computer for computer operation. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 82: Sound Skips Frequently During Playback

    There is an obstacle, such as metal or wall, between the headset and the BLUETOOTH device. A device using 2.4 GHz frequency, such as a Wi-Fi device, cordless telephone, or microwave oven, is in use near this headset. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 83: The Noise Cancelling Effect Is Not Sufficient

    The noise cancelling function is effective in low frequency ranges such as airplanes, trains, offices, near air-conditioning, and is not as effective for higher frequencies, such as human voices. Related Topic Noise cancelling function Using the noise cancelling function Using the AI noise cancelling function 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 84: Pairing Cannot Be Done

    In this case, delete the pairing information of the headset from the device, and then pair them again. Related Topic BLUETOOTH function indicator How to make a wireless connection to BLUETOOTH devices Initializing the headset to restore factory settings 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 85: One-Touch Connection (Nfc)

    You cannot make a one-touch connection (NFC) when the headphone cable is connected to the INPUT jack. Remove the headphone cable from the headset. Related Topic One-touch connection (NFC) with a smartphone (Android 4.1 or later) One-touch connection (NFC) with a smartphone (Android 2.3.3 or later, and less than Android 4.1) 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 86: Unable To Make A Bluetooth Connection

    BLUETOOTH device to the headset soon after pairing is complete. The BLUETOOTH device is in sleep mode. The BLUETOOTH connection is terminated. Make the BLUETOOTH connection again. Related Topic BLUETOOTH function indicator How to make a wireless connection to BLUETOOTH devices 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 87: Distorted Sound

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Distorted sound Keep the headset away from a microwave oven, Wi-Fi device, etc. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 88: The Bluetooth Wireless Communication Range Is Short, Or The Sound Skips

    There is an obstacle, such as metal or wall, between the headset and the BLUETOOTH device. A device using 2.4 GHz frequency, such as a Wi-Fi device, cordless telephone, or microwave oven, is in use near this headset. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 89: The Headset Does Not Operate Properly

    Reset the headset. Pairing information is not deleted by this operation. If you cannot use the headset even after resetting it, initialize the headset. Related Topic Resetting the headset Initializing the headset to restore factory settings 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 90: No Voice From Callers

    If you are listening to music using the headset, stop playback, press the button on the headset and talk. Related Topic How to make a wireless connection to BLUETOOTH devices Receiving a call Making a call 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 91: Low Voice From Callers

    Help Guide Wireless Noise Cancelling Stereo Headset MDR-ZX780DC Low voice from callers Turn up the volume of the headset and the connected device. 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 92: Resetting The Headset

    The headset is reset, and turns off when it was on. If the headset does not operate correctly even after resetting, initialize the headset to restore factory settings. Related Topic Initializing the headset to restore factory settings 4-596-344-11(1) Copyright 2016 Sony Corporation...

  • Page 93: Initializing The Headset To Restore Factory Settings

    The indicator (blue) flashes 4 times, and the headset is reset to the factory settings. All pairing information is deleted. If the headset does not operate correctly even after initializing, consult your nearest Sony dealer. 4-596-344-11(1) Copyright 2016 Sony Corporation...

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