Sena Bluetooth SMH5-FM v1.3 User's Guide - Manual (Page 8)

English
SMH5-FM
9
You can use the enclosed velcro pad and holder for the boom
microphone to ensure secure placement.
In the case of the wired microphone included in the “Full-face
Helmet Kit”, attach the enclosed velcro pad for wired microphone
to the inside of the chin guard for full-face helmets. Place the
wired microphone on the velcro pad and attach it to the connector
of the speaker cable.
English
6. When you use the boom microphone included in the “Basic Kit”,
please make sure that the fin side of the microphone is facing
outward; away from your lips. You can easily recognize it by
touching the fin with your fingers.
fin
7. To remove the headset main unit from the clamp, please make
sure to pull out the speaker cable connector from the main unit
first. Then, remove the main unit from the clamp.
English