Sony MDR-ZX770BT Help Manual page 113

Help Guide
Troubleshooting
Wireless Stereo Headset
MDR-ZX770BT
Initializing the headset to restore factory settings
Turn off the headset, then press and hold the POWER and
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.
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/ buttons simultaneously for more than 7 seconds.
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