To install the media player that piface radio uses, enter the command:
sudo apt-get install mplayer
y when prompted.
Unzip the piface radio example, with the command:
sudo gunzip /usr/share/doc/python3-pifacecad/examples/radio.py.gz
Run the PiFace radio with:
Move the rocker switch left and right to cycle through the radio stations given.
Press the rocker switch in to pause the current station.
Press the isolated button on the PiFace CAD to exit the program