Mazda 2008 CX-9 Owner's Manual page 262

Interior Comfort
Audio System
Surround
When the rear seat-optimized function is
operating, the surround effect can be
enjoyed at five separate levels.
Indication Volume change
Minimum
Low
Medium
High
Maximum
Turn the audio control dial to select
Surround MIN-MAX mode. The selected
mode will be indicated.
BEEP setting
The beep-sound when operating the audio
system can be set on or off.
ILLM EFT setting (Illumination setting
during operation)
The audio system illumination during
operation can be set on or off.
Time adjustment
Rotating the audio control dial switches
the display between 12 and 24-hour clock
time (page 6-124).
6-32