Operation Manual

Press this button to enter the SUB ZONE mode.
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4. Select the desired SUB ZONE input.
5. Start play on the component related to the SUB ZONE source.
6.
Adjust the SUB ZONE volume to a comfortable listening level.
While the mute function for SUB ZONE is operating, "R2" is
flickering.
To resume the previous sound level, press this button again.
7. To mute the sound.