Use Zones - Control 4 Rroom-based control system User Manual

Use Zones

To view a list of all rooms in the home where music is currently playing
or to add, remove, or control any room's audio, select Zones from the
Main music menu. When no music is playing in the entire system, only
the No Session option is listed. When a zone is playing music, you can
do the following:
Join current room to a session by selecting a session name.
Remove current room from a session.
Select other rooms in your system to send music to.
Control volume for or mute a zone or an individual room.
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