See also:

Airflow selection
...

Repeating
To repeat a track/file, briefly press the following button (repeat button) while the track/file is playing. Each time you briefly press the button, the mode changes in the following sequences ...

To increase the speed (by the “RES/ SET” switch)
Press the “RES/SET” switch to the “RES” side and hold it until the vehicle reaches the desired speed. Then, release the switch. The vehicle speed at that moment will be memorized and treated as ...