BLUETOOTH Annotate 1 1 2 3 4 5 6 7 8 9 10 11 1 After the unit is ON, the BLUETOOTH signal light flashes every 5 seconds. First connect your cell phone to the unit, password of unit is 8888 . After successful connection, the BLUETOOTH light remains constantly on.Incoming call numbers will be displayed on the LCD. (Due to function limit of some cell phones, the number cannot be displayed. However, user still can answer the incoming calls.) Press the BLUETOOTH button on front panel once to answer calls.