User's Manual

20S

• Rubber Pads

• Speaker Pads

• Velcro Pads for Speakers

• Allen Wrench

• Velcro Pad for Boom Microphone

• Velcro Pad for Wired Microphone

3 INSTALLING THE 20S ON YOUR HELMET

3.1 Helmet Installation

To securely install the 20S on the helmet, please follow this procedure.

1. Loosen the two screws on the back plate of the clamp unit using

the enclosed allen wrench. Insert the back plate of the clamp unit

between the internal padding and external shell of the helmet, and

tighten the two screws. Please make sure that the microphone is

located properly close to your mouth when you wear the helmet.