Alpine CDA-7990 Manual De Usuario

Press the TUNE button to select the desired
setting.

1. BC (Setting the Bass Center Frequency):

Emphasizes the displayed Bass frequency
ranges.

2. BW (Setting the Bass Band Width):

(Q-Factor)

Changes the displayed frequency’s band width
to narrow or wide.

3. TC (Setting the Treble Center Frequency):

Emphasizes the displayed treble frequency
ranges.

Default values
BC: 80 Hz
BW: WIDE1
TC: 10.0kHz

Press the SETUP button again to return to
normal operation.

(Narrow)

(Wide)