Bose SoundDock Series II Owner's Manual page 7

Playing a different audio device
You can use another audio device with your SoundDock®
Series II digital music system.
1.
Set the audio device to slightly below full volume, then
plug it into the AUDIO INPUT connector.
Note:
The device cable must have
a
3.5mm mini plug on the end that
plugs into AUDIO INPUT
2.
To adjust the SoundDock system volume, press Volume
Up (+) or Down (-).
Note:
The SoundDock remote cannot control any device connected
to AUDIO INPUT
Playing a different audio device
while charging the iPod
You can charge your iPod while playing another audio device
that is plugged into the AUDIO INPUT connector.
1.
Insert your iPod into the dock.
2.
Set the audio device to slightly below full volume, then
plug it into the AUDIO INPUT connector.
3.
To enable the other device to play through the system,
press and hold Play/Pause.
4. To adjust the SoundDock system volume, press Volume
Up (+) or Down (-).
5