HJC Smart 20B User Manual page 6

SMART HJC 20B
4. Insert longer hook of the right speaker unit into bottom hole of
the speaker pocket. Place the Microphone wire under the bottom
hook of the speaker unit when installing. Insert shorter hook of the
right speaker unit into the top hole of the speaker pocket.
[Make sure that the Microphone wire
is not pressured by the speaker unit when installed]
6
1
2
5. Then push the top of the unit to fix onto the speaker pocket of the
helmet.
[Once installed, the position of the speaker unit
can be adjusted to rider's ear position]
Note:
If your speakers are too close to your ears and your ears are uncomfortable,
you can attach a Foam Speaker Cover to the front of the speaker.
6. Repeat step 4 and 5 to install the left speaker.