Sena MOMENTUM EVO Quick Start Manual page 5

QUICK START GUIDE
Bluetooth System's Buttons
Blue/Red/Green
Center
Button
How To Fit the Helmet
Gently pull the padded chinstrap outward and slide the
helmet onto your head. Route the chinstrap under your
chin, then thread it through both D-Rings. To fasten
securely, thread chinstrap back through the D-Ring closest
to your neck, and pull.
Chinstrap
Thread chinstrap through the D-Rings
Note: Check the chinstrap's position and tension
regularly to ensure proper fit.
LED Lights
Mesh
Intercom
(+) Button Button
(-) Button