23RADIO NAVIGATION SYSTEMAUDIO OPERATION
Use  the  RDS-Regional  function  in  the 
AUDIO 
SETUP  menu  to  switch  RDS-REG  to AUTO  or 
OFF .  For  more  information,  please  refer  to  the 
section on AUDIO SETUP, page 14.
AUTO   -  If  you  select  this  setting,  the  system 
will  switch  to  a  regionally  related  transmission 
frequency  when  station  reception  deteriorates 
beyond a certain point.
OFF  - You can select a regionally related station 
frequency manually. The change will not be made 
automatically.Switching on radio operation 
To switch the radio on, press one of the following 
buttons  to  activate  the  corresponding  memory 
bank or waveband. The radio will automatically 
switch to the memory bank used last and begin to 
play the last radio station heard, if it is still within 
reception range.
  FM in 2 memory banks (FM1 and FM2)
•  To switch FM radio on, press FM . 
 TMC  stations  (Traffic  Message Channel)  in 
memory banks 1 and 2 (TC1 and TC2). With 
TMC your radio also receives the traffic infor-
mation required by the navigation system for 
dynamic route calculation. 
•  Press TMC .
 AM in 2 memory banks (AM1 and AM2).
•  Press AM .
Note:  If  you  switch  from  FM  to  TMC  or  vice 
versa, the radio station you have tuned into 
in  the  selected  memory  bank  will  be  “taken 
along”.