How to reset BTD 800 Series
Please use the following instructions to proceed with the factory reset of your BTD 800 Bluetooth dongle:
1) Place the dongle into pairing mode (press the button once). LED should begin to flash alternately red and blue.
2) Press the button twice in rapid succession ('double tap'). LED should now flash purple three times. These flashes are very quick and may be missed if attention is not paid.
3) The dongle will now undergo a reset and all pairing history will be deleted. The device should then re-enter pairing mode.
4) Please note that once a factory reset has been performed, another cannot be done until the dongle has been paired again with at least one device.