Pair Plantronics 510 Bluetooth headset to your Bluetooth phone

1) Turn on Bluetooth within your phone - Consult phone instruction booklet

2) Put phone into pairing mode - Consult phone instruction booklet

3) Put headset into pairing mode - With headset on, press and hold call button and
the volume up simultaneously until the headset begins to flash red and blue.

4) Select "Add new device" on your phone.

5) Select the Plantronics headset when prompted. Enter "0000" as passcode.

6) Your 510 headset will now have a continuous blue light blinking.

7) Choose "Yes" if your phones asks if you want to bond to the 510 headset.

8) Your phone is now paired with the Plantronics 510 headset and ready for use.

Source: http://www.headsetsdirect.com/plantronics/510_pairing.html