Kenwood M1GC7 - Manual (Page 24)

English 
Volume and tone adjustments
3
Select "On".
To select "Sound mode":
2
Select "Sound mode".
3
Select the desired sound mode.
. •.With.the.default.condition.set.at.the.factory,.Supreme.is.set.to."Off".and.Sound.mode.is.set.to.
"NORMAL".
. •.Supreme.and.Sound.mode.cannot.be.used.simultaneously.
. •.These.sound.adjustment.function.will.not.be.applied.in.FM.radio.
Adjusting the audio
To select "CUSTOM":
4
Select the frequency band to be adjusted.
5
Set the response level.
Set the response levels of other frequency
bands by repeating steps 4 and 5 for each.
6
Enter the selection.