WF-1000XM36Sony CONFIDENTIALFor Authorized Servicer4. Attach the left and right headset to your ears. Then the audioplayback from the NFC compatible device, and check that thesound is output from the left and right headset.Note 3: Sound is not output just by attaching a headset on one side. Be sureto attach the left and right headset.LRRortap once5. Touch the N-Mark part of the charging case with N-Mark of theNFC compatible device again to disconnect the connection, andcomplete the operation check.Note 4: Before returning the product to the customer, refer to “INITIALIZ-ING METHOD” on page 7 and delete the Bluetooth device pairinginformation.RESETTING METHODIf this unit does not operate properly, perform the reset.Note 1: Even if this work is performed, device pairing information is notdeleted. Also, other settings are retained.Resetting procedure:1. Attach the left and right headset to the charging case.L R2. Touch and hold the touch sensor control panel on the left sideheadset (WF-1000XM3L), and the indicator changes from redlighting to red flashing, then check the indicator is turn off andthe then release your finger.Note 2: It takes about 20 seconds to touch and release the touch sensor con-trol panel.Touch sensorcontrol panelRed lighting: Touch and holdL RRed flashing: Touch and holdL RTurn off: Release your fingerL R3. Touch and hold the touch sensor control panel on the right sideheadset (WF-1000XM3R), and the indicator changes from redlighting to red flashing, then check the indicator is turn off andthe then release your finger.Note 3: It takes about 20 seconds to touch and release the touch sensor con-trol panel.Red lighting: Touch and holdL RTouch sensorcontrol panelRed flashing: Touch and holdL RTurn off: Release your fingerL R4. The reset is complete.