4�/�� ep� � � � � Music degree 0 * + D Z � B @ 0� 3� 5� 8! <X @� AA F � D j � F D 0� 3� 5� 8! <X @� AA F calibration * � , AA ^ D F 0� � � , AA n D F 0� � voice call * � , ^ D F 0� � AA � , n D F 0� � AA earpiece spk2 bypass * . $ ~ 0� �