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 by the wide screen, go to the DESK.
Select the TOOLS icon.
Select the CONTROL PANEL icon
Select the CONNECTIONS file and click on the rigth arrow on the cursor button.
select the BLUETOOTH command.
On the SETTINGS tab enable the BLUETOOTH.
Select the PAIRED DEVICES tab, then with the buttons on the rigth of the screen select the NEW command.
Wait until the device find the CK3x00 and select the PAIR command.
Enter 1234 as PIN CODE, press OK.
The phone will connect to the CK3x00.
On the PAIRED DEVICES tab select the EDIT command.
Then activate the command DEVICE AUTHORISED and validate.