Power On/Off; Volume Adjustment; Battery Check - Sena C1 Manual

Power On/Off

Power On : Press and hold the (+) Button and Center Button for 1 second
Power Off : Tap the (+) Button and Center Button.

Volume Adjustment

(+) Button - Increase the volume
(-) Button - Decrease the volume

Battery Check

Phone, Music Pairing
Initially Pairing the C1
The Bluetooth system will automatically enter the phone pairing mode
when you initially turn on the Bluetooth system or in the following
situation:
• Rebooting after executing Factory Reset
1. Press and hold the Center Button and (+) Button for 1 second.