HJC SMART 50B User Manual page 21

3 GETTING STARTED
3.6 Volume Adjustment
You can raise or lower the volume by tapping the (+) Button or the
(-) Button. Volume is set and maintained independently at different
levels for each audio source (i.e., phone, intercom), even when the
headset is rebooted.
Volume Up Volume Down
TAP TAP
= =
1x 1x
SMART HJC 50B 2 Gen Premium Motorcycle Bluetooth Communication System for HJC Helmets | 21
nd ®