4BASS CONTROL
To adjust the bass level (Equalizer function inactive), first select the Bass mode by pressing the SEL button 3 so the BAS indication appears on the display panel. Within 5 seconds of choosing the Bass mode, press the 
AUDIO CONTROL 2 button to decrease the bass response, or the 
AUDIO CONTROL button to increase it as desired. The level will be shown on the display panel from a minimum BAS
5TREBLE CONTROL
To adjust the treble level (Equalizer function inactive), first select the Treble mode by pressing the SEL button 3 so the TRB indication appears on the display panel. Within 5 seconds of choosing the Treble mode, press the AUDIO CONTROL button
2to decrease the treble response or the 
AUDIO CONTROL button to increase it as desired. The level will be shown on the display panel from a minimum TRB
6LEFT/RIGHT BALANCE CONTROL
To adjust the
press the 
AUDIO CONTROL button 2 to adjust the stereo balance to the left channel speakers or the 
AUDIO CONTROL button to adjust it to the right channel speakers. The balance position will be shown on the display panel from BAL 10L (full left) to BAL
10R (full right). When the volume level between the left and right speakers is equal, BAL L=R will be shown on the display panel. The display will automatically return to the normal indication 5 seconds after the last adjustment or when another function is activated.
7FRONT/REAR FADER CONTROL
To adjust the 
AUDIO CONTROL button 2 to adjust the 
AUDIO CONTROL button to adjust it to the rear speakers. The fader position will be shown on the display panel from FAD 10R (full rear) to FAD 10F (full front). When the level between the front and rear speakers is equal, FAD F=R will be shown on the display panel. The display will automatically return to the normal indication 5 seconds after the last adjustment or when another function is activated.
8LOUDNESS CONTOUR (LOUD)
When listening to music at low volume levels, this feature will boost the bass and treble ranges to compensate for the characteristics of human hearing. Press and hold the BAND/LOUD button for 2 seconds to activate this feature; the unit will beep and LOUD ON will appear on the display for 5 seconds. Pressing the button again for 2 seconds will deactivate the feature; the unit will beep and LOUD OFF will appear on the display panel for 5 seconds.
9AUDIO MUTE SELECTOR (MUTE)
Press this button momentarily to mute the volume from the system (MUTE will appear blinking on the display panel). Pressing the button again or activating any other button/function will return to the volume level setting in use before the Mute function was activated. During
