Adjust The Volume - LG PJ9 Bedienungsanleitung

Receive / Disconnect . . . . . . . . . . . . . . . Press
Handsfree
Volume Control . . . . . . . . . . . . . . . . . . . . . Press
Volume
Maximum volume . . . . . . . . . . . . . . . . . . Press
You need two speakers.
Dual Play
Press and hold each speaker's
(Optional)
(Dual play LED: Blink  ON)

Adjust the volume

Or
p or o
button for 2 seconds.
Simply maximum volume
3