Alpine CDA-7990 - Manual (Page 15)

13
- EN
4 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
5 Press the SETUP button again to return to
normal operation.
BW WIDE1 BW WIDE2 BW WIDE3 BW WIDE4
(Narrow) (Wide)
TC 10.0kHz TC 12.5kHz TC 15.0kHz TC 17.5kHz
BC 60Hz BC 70Hz BC 80Hz BC 90Hz
BC 130Hz BC 100Hz BC 150Hz BC 200Hz