JBL TUNE660BTNC Guia De Inicio Rapido página 9

660BT
Quick Start Guide
Guide de démarrage rapide
6
Wired listening mode
7
Active noise cancelling (ANC)
a. ANC is on as factory default.
b. In wireless and wired listening mode, long press ANC button to
switch it off and on.
ANC
2.0s
ON / OFF