Bluetooth Setup Pairing a Bluetooth Device for the First Time 1. Power on the unit by pressing the Power button. 2. Press the Source button to switch to Bluetooth Mode. The display will show the flashing letters “bt”. 3. “BT”will flash quickly on the display. 1. Press the Source button to switch to FM Radio mode. 2. Press the Tun/Skip/Search buttons to tune the radio manually, press and hold to search for the next available station. Saving a Station as a Preset 1.