Marantz AV8802A Owner's Manual page 182

Contents Connections
o Adjusting the volume
Use VOLUME df to adjust the volume.
At time of purchase, "Volume Limit" is set to "70 (–10 dB)".
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(v p. 263)
Turn VOLUME after pressing ZONE SELECT on the main unit to adjust the
volume.
o Turning off the sound temporarily (Muting)
Press MUTE :.
The sound is reduced to the level set at "Mute Level" in the menu.
(v p. 264)
To cancel mute, either adjust the sound volume or press MUTE :
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again.
Front panel Display
Playback Settings
Rear panel 182
Tips
Remote Index
Appendix