VOYAGER 510 Bluetooth Headset Pairing headset and mobile phone Before using your headset with your Bluetooth mobile phone or device, you must pair it with that device. A. Turn on mobile phone. Place headset in pairing mode by simultaneously pressing and holding listen volume adjust button marked + (volume up) and call control button for 2 seconds. Release the buttons when status indicator light flashes alternately red and blue. B. Use your mobile phone's menu to search for Bluetooth audio devices and select "PLT 510" when it appears on the display. Note: In some circumstances the pairing process can take up to two minutes to complete. C. When the phone display asks for a passkey, enter: 0000. Status indicator flashes blue, once the headset is successfully paired. If pairing fails, try again starting with Step A. PLT 510 ...