HJC SMART 21B - Page 16

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 16
2.1.10 Modular Chin Bar / Open & Full Face Visor Closing
1. Lower the chin-bar of the modular helmet or the shield visor of the
open face helmet completely.
or
Modular Helmet Open Face Helmet
2. Make sure that the Wired Boom Microphone is a proper distance
from your mouth when you wear the helmet.