Volvo S60 Owner's Manual page 202

5. Turn the SOURCE knob, select the desired level and press SOURCE.
6. Press EXIT.
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10 Audio
Radio functions HU-650/HU-850
Selecting a sound source
The sound source (e.g. AM, FM, etc.) can be selected in two ways:
Use the sound source buttons (see the illustration below).
Turn the SOURCE knob (see illustration above) to select a sound source (AM1, AM2, FM1, FM2, FM3, or CD).
Press the knob to select the AM or FM band of your choice.
The sound source selected will be shown in the display.
Scan
Press the SCAN button to start the station scan function. When a station is found, scanning stops for approximately 10
seconds, after which scanning will continue.
Press the SCAN or SOURCE button when a station has been found if you would like to listen to that station and to
discontinue the scan function.
Station seek up/down
Press to start the seek function. The radio seeks the next audible station and tunes it in. Repeat the
procedure to continue the seek function.
Manual station search