Boss Audio Systems BV6820 User Manual page 10

4. To mute sound
Press the MUTE button on the remote control to turn on/off MUTE mode.
Briefly pressing the POWER button on the front panel also can turn on/off
MUTE mode.
In MUTE mode, the MUTE mode can be released by pressing any button
except RELEASE button.
5. To display and adjust the clock time
Press the CLK button to display the clock time on the monitor of the front panel.
6. To adjust the clock time
1)Press the CLK button to display the clock time on the monitor of the front panel.
2)Press and hold the CLK button until the clock set feature is displayed on the
LCD then use the VOL Knob on the unit or + and - buttons on the remote control
to adjust the time.Press the SEL button on the unit to change from setting
hours to minues. Once time is set, it will confirm your setting after a few
seconds.
7. To select a preset EQ mode
Press the EQ button to select the preset music equalizer curves: POP, ROCK,
CLAS, EQ OFF . The sound effect will be changed.
8. To remove the front panel
Press the REL button on the front panel to detach the front panel from the
unit, then you can remove the front panel.
9. To turn on/off LOUDNESS mode
Press the LOUD button to turn on/off LOUDNESS mode.
When turning on LOUDNESS mode, it will enhance bass level immediately
when the bass is not enough.
10.To adjust sound modes
To adjust the sound modes, briefly and repeatedly press the SEL button
on the front panel to select one of the sound modes such as : VOL, BAS
(without preset EQ), TRE (without preset EQ), BAL, FAD,LOUD ON/OFF,
BEEP ON/OFF.
11. Return control
Press the button or DVD MENU button up to the previous menu.
12. To reset the unit
when the display is incorrect, or the function buttons are not effective
or sound is distorted, press the REL button to detach the front panel
from the unit and remove it, then use a sharp point to press the RESET
button, that will make the unit be reset to factory default, and re-instate
the correct functions.