Optimus 120-2152 - Manual (Page 14)

Notes:
When you adjust the balance toward the left speakers, L and a number
appear on the display. When you adjust the balance toward the right
speakers, R and a number appear on the display.
When you adjust the balance toward the front speakers, F and a number
appear on the display. When you adjust the balance toward the rear
speakers, R and a number appear on the display.
If BAS, TRE, BAL, or FAD and the number disappear before you press
AUDIO CONTROL + or -, just press AUDIO CONTROL SEL again.
To set bass, treble balance, and fader to their center (middle)
settings, press and hold down AUDIO CONTROL SEL for about 3 seconds
until the stereo beeps twice.
Selecting a Preset Equalizer Setting
The stereo has preset graphic equalizer settings to let you vary the
balance of the sound it produces. These settings are designed to give you
the best sound for jazz, pop, rock, classical, and country and western
music.
To select a graphic equalizer setting, repeatedly press P-EQ until ROC
(rock), JAZ (jazz), POP (pop), CLS (classic), or C W (country and
western) appears on the display. The P-EQ indicator turns on to show that
you have selected a graphic equalizer setting.
Note:
The graphic equalizer setting disappears after about 5 seconds or when
you press another button.
To turn off equalization, press P-EQ until DFT (defeat) appears on the
display. The P-EQ indicator turns off.
DISPLAYING THE CLOCK
While the radio or a CD is playing, press CLOCK to display the clock. The
stereo displays the clock for 5 seconds, then returns to the radio or CD
display.
Note:
After you remove a CD from the CD player, the stereo displays NO Cd,