You need to pair devices when powering up CK3x00 for the first time. Subsequently, all connections between your phone and CK3x00 are automatically established when both devices are within a few meters range of each other.
Procedure
From your phone, press MENU, and select EXTERNAL CONNECTION.
Select BLUETOOTH.
The DISCOVERABLE MODE have to be switch OFF.
Then press the button with the 3 blue points (above the blue central button), and press SEARCH (waiting...).
Select "Parrot CK3x00", enter 1234 as Bluetooth PIN code, press OK.
Then turn ON the DISCOVERABLE MODE.
Then a "B" (as the Bluetooth logo) is displayed, and flash on and off nonthe top of the phone screen when the connection is active. The same logo should appear on the screen of the CK3x00.
Note: When the phone search for Bluetooth devices, the discoverable mode must be ON. Turn it off to do the pairing.
Press green the CK3x00 grenn button to establish the connexion each time the engine is turning ON.