# Selecting an Audio Source

1. Press the SOURCE button.
2. Turn the SOURCE button until the required audio source is shown on the display.
3. Press the SOURCE button to confirm the audio source.

The following audio sources are available:

- GPB18V-3SC: digital radio via DAB+ (<DAB> display on the (a) multi-function indicator)
- Analogue radio via FM (<FM> display on the (a) multi-function indicator)
- External audio source (e.g. Smartphone) via the Bluetooth® connection ( display)
- Playback via Multi-Speaker Sound ( display)