Boss Audio Systems 822UA Car Stereo System User Manual


 
E - 6
AUDIO OPERATIONS
ENCODER VOLUME KNOB
Turn this knob to adjust desired volume level.
FUNCTION SELECT BUTTON
Press this button to select desired audio function.
While the selected function is displayed, turn Volume Knob to adjust the level within 3 seconds,
otherwise the unit will return to volume adjustment mode.
MUTE BUTTON
Press this button to mute the sound. Press it again to resume listening.
DSP BUTTON (DIGITAL SOUND PROCESSOR)
Press this button to toggle the following EQ setting:
At DSP OFF mode, EQ will be controlled by Bass/Treble setting.
BAND/LOUDNESS BUTTON
Press the Band/Loudness Button long to switch the loudness on or off. When Loudness is on,
display will show LOUD.
ORDER OF FUNCTION:
VOLUME(VOL) -> BASS(BAS) -> TREBLE(TRE) ->BALANCE(BAL) ->FADER(FAD)
POP->ROCK ->CLASSICS- >FLAT->DSP OFF
BAND/LOUDNESS BUTTON
In Radio mode, this a dual function button. Press this button short to change between BAND
FM1, FM2, FM3 & AM1,AM2 bands. Press it long to turn on or off Loudness function.
RADIO OPERATIONS
DUAL FREQUENCY FUNCTION
Button then click the SELECT button for 2 times the LCD display "AREA USA"! Then
Rotate VOL button until the LCD display "AREA EURO".
The RESET button is located on the main unit (as shown on the diagram). To press it vertically
with a ballpoint pen or metal object will activate it. The reset button is to be activated for the
following reasons:
Initial installation of the unit when all wiring is completed.
All the function buttons do not operate.
Error symbol on the display.
RESET BUTTON
Note: If press RESET button, the unit still cannot function normally, please use a cotton
swab soaked in isopropyl alcohol to clean the socket on the back of the control panel.
SCAN BUTTON
Press this button, the radio will tune up to search stations, the available stations will blinking
and stay on the display for a few seconds.
LOCAL / DX BUTTON
This control can be used to change between Local and Distant (-DX) tuning mode, Local
mode improves reception in some areas where the signal is too strong While local mode is
select, display will show "LOCAL".
FM MONO / STEREO BUTTON (MONO)
Use this control to select stereo or monaural reception for FM radio stations. You can
sometimes improve reception of distant stations by selecting mono mode.
Unit is defaulted in U.S.A frequency, if EURO frequency is required: Long press the SELECT
Note: Every time player is adjusted to USA frequency, clock digit format will switch to 12 AM/PM
automatically. Every time it is adjusted to EURO frequency, clock digit format will switch to 24
hours automatically. Users would have to switch to desired clock digit format manually.