Sony WH-CH710N Precautions ( If the unit does not operate properly )

Precautions

If the unit does not operate properly

• Follow the procedure below to reset the unit (Fig. B). Press the  and NC/AMB buttons simultaneously while the unit is charging. The unit is reset. When the unit is reset, the pairing information in the unit is not deleted.
  
• If the problem persists even after the unit is reset, perform the procedure below to initialize the unit. Disconnect the USB Type-C cable and turn off the unit. Press and hold the  and  buttons simultaneously for at least 7 seconds. The indicator (blue) flashes 4 times, the unit is initialized, and the unit is reset to the factory settings. When the unit is initialized, all pairing information is deleted.
• After the unit is initialized, it may not connect to your iPhone or computer. If this happens, delete the pairing information of the unit from the iPhone or computer, and then pair them again.

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