Aiwa XR-M55 - Manual (Page 11)

(off)
Low frequency sound maybe distorted when the T-BASS system is used for a disc or tape in which low frequency
sound is originally emphasized. In this case, cancel the T-BASS system.
GRAPHIC EQUALIZER
This unit provides the following three different equalization curves.
ROCK: Powerful sound emphasizing treble and bass
POP: More presence in the vocals and midrange
JAZZ: Accented lower frequencies for jazz-type music
Press JOG MODE repeatedly until "GEQ" is displayed, then turn MULTI JOG within 3 seconds to select an
equalization curve.
The equalization mode is displayed. as follows:
To cancel the selected mode
Press JOG MODE repeatedly until "GEQ" is displayed, then turn MULTI JOG within 3 seconds until GEQ OFF" is
displayed.
To select with the remote control
Press EQ repeatedly. The GEQ mode is displayed cyclically as follows.