Sena Bluetooth EXPAND v1.0 User's Guide - Manual (Page 10)

EXPAND
10
2. Insert a paper clip into the reset pin-hole and
press the reset button for a second using light
pressure. The Sena Expand will be switched off,
and you have to turn the system back on and try
again. However, this will not restore the headset to
the factory default settings.
4. QUICK OPERATION
Power On/Off
1 sec
Volume Adjustment
1 press 1 press
or