Eclipse AVN5510 Owner's Manual page 110

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You can establish your favorite
acoustic field by cutoff frequency
and slope.
Selecting cutoff frequency
You can select 1 band from
among 6 cutoff frequencies.
(63/80/100/125/160/200 Hz ; 6
kinds in total)
ItJI=Utt4'.
Selecting slope
fit?
After the setting is made, touch
1m3
to record the setting and return the display to the
previous screen.