After pressing the "more" button, more functions appear:
L_Band
Switching the L Band on / off
Service Scan Searches for all available stations / station programs
PTY
Station search according to program type
TA
Switches the traffic announcements on / off
Service link
Selection of DAB-DAB, DAB-RDS, DAB-ALL, DAB-OFF
SERVICE LINK SETTINGS
DAB-DAB
In event of poor DAB reception signal, the DAB Box switches to another DAB
frequency.
DAB-RDS
Switches to the station of the same UKW name in event of poor DAB reception
signal.
DAB-ALL
This setting includes the DAB-RDS as well as the DAB-DAB function.
DAB-OFF
No switching to another frequency in event of poor DAB reception signal.
77