This unit is pretty standard for a lot of renault models.
Their is a useful "expert mode"
To reach this sub menu hold down the "src" key until you hear a beep.
Press < or > on the set or turn the thumbwheel on the stalk to select an option
AF ( Automatic Frequency Control for FM signals ) ON / OFF
SPEED ( Changes stereo volume relative to cars speed ) 0,1,2,3,4,5
LOUD ( Loudness ) ON / OFF
TUNER ----------- AUTomatic/ MANual
REAR ( Rear Speakers ) ON/OFF
LIST MAN The stored list of stations won't change until you refresh the list
LIST DYN THe list is automatically refreshed and out of reach stations are deleted automatically after 3 unsucessful attempts to find the signal.