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Adjusting the treble (CDX-M670/M620 only)
You can adjust the treble from the speakers.
1Press (SOURCE) to select a source
(tuner, CD, or MD).
2Press (SOUND) repeatedly until “TRE”
appears.
3Press < or , to adjust the balance.
After 3 seconds, the display returns to the
normal playback mode.
Adjusting the balance (FAD) (CDX-M670/M620 only)
You can adjust the sound balance from the front
and rear speakers.
1Press (SOURCE) to select a source
(tuner, CD, or MD).
2Press (SOUND) repeatedly until “FAD”
appears.
3Press < or , to adjust the balance.
After 3 seconds, the display returns to the
normal playback mode.
Adjusting the front and rear volume (CDX-M770 only)
1Press (SOURCE) to select a source
(tuner, CD, or MD).
2Press (SOUND) repeatedly to select
the “F” for the front speakers or “R”
for the rear speakers.
3Press < or , to adjust the volume of
front/rear speakers.
After 3 seconds, the display ret urns to the
normal playback mode.
Adjusting the cut-off frequency and the
output volume level for the front/rear
speakers
To match the characteristics of the installed
speaker system, you can adjust the output
volume level and select the cut-off frequency of
the speakers.
1Press (MENU).
2Press M or m repeatedly to select
“Front HPF” or “Rear HPF.”
3Press (ENTER).
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Cut-off frequency
Frequency (Hz)
Level