To pair the MB 660 with the BTD 800 USB dongle, please follow the steps below:
- Switch the headset on.
- If the device does not automatically enter pairing mode, press the Sound Effect Mode button for 4 seconds, until you hear tones and the voice prompt “pairing”. (If the device does not enter pairing mode, please ensure that Bluetooth is switched on.)
- Press the button on the dongle until the LED starts to alternately flash red and blue.
- The devices should now pair themselves with one another.
- When the devices are paired, the LED on the dongle should flash blue three times. Three red flashes indicate pairing failed – please repeat the steps.