Software Upgrade Procedure
4
1. Putthe"JBLBAR2_1.HUI"totherootdirectoryofUdisk,andsteptheUdiskinBarUSBport.
2. MakesureyourBarconnectwithyourSubwooferbyAUXcables.
3. TurnonyourBarandSubwoofer,makesurethereareworking.
4. Pressdownandholdthe"Power"keyand"Vol‐"keyuntiltheVFDshow"Updatamode".
5. Wait aminute, it is updatingwhenthevfdshow "Wait". When it failedto upgrade VFDS
willshow"Fail".Youneedtocheckthestep1andstep2.
6. TheVFDwillshowthat"Done"andresetwhenitupdatesuccessfully.
7. YouneedtopowerofftheBarandSubwoofer,thenpoweronthey.