See also:

Timeshift
Approx. one hour of the program being broadcast on the channel currently being listened to is stored in a buffer. Prerequisite: the signal must be available. The stored audio track can be playe ...

Releasing
Raise lever slightly, press the button and guide the lever down. ...

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...