Initially Pairing the Impulse

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 the (+) Button for 1 second.

2. Select Impulse in the list of
    Bluetooth devices detected. If your
    mobile phone asks for a PIN, enter
    0000.