Technical data
I/O Module   Re:source
9 
Select input source 
The various sources are 
selected through the SOURCE 
menu. Press the Source button 
on the M51 and the following 
menu field appears: 
Now, you can select the 
individual Aux and/or Rec-In 
sources by simply pressing the 
softkey assigned to the required 
source. In the above display, 
Aux-1 has been selected. This 
is shown in the display through 
the text: 
Listening: 
Aux-1 
If the source you are looking for 
is not shown on the first 
SOURCE page, you can scroll 
to the next page by pressing the 
More softkey. 
Select Record source 
If you want to make a recording 
to a device such as a cassette 
deck, you need to tell the M51 
which source should be 
recorded from. 
Select the SOURCE menu as 
described above and then press 
the Record softkey. 
Now, the music signal from the 
selected source, e.g. Tuner, 
DVD/CD, Aux2, etc., will be 
made available on the cinch/ 
RCA socket REC-OUT. 
This is shown in the display 
through the text: 
Recording: 
FM Tuner 










