Switching On/Off The Unit; Display Information; Faceplate Release; Sound Adjustment - Boss Audio Systems 620UA User Manual

OPERATION

LOCATION OF KEYS

SWITCHING ON/OFF THE UNIT

Press /MUT button (3) to turn on the unit.
When the system is on, press and hold
button (3) to turn off the unit.

FACEPLATE RELEASE

Press button (2) to release the removable
faceplate.

SOUND ADJUSTMENT

Press SEL button (4) shortly to select the desired
adjustment mode. The adjustment mode will
change in the following order:
VOL BAS TRB
(Volume) (Bass) (Treble) (Balance) (Fader)
By rotating the volume knob (4) clockwise or
counter-clockwise, it is possible to adjust the
desired sound quality.

SYSTEM SETTING

Press and hold SEL button (4) on the control
panel to enter system setting mode. Then shortly
press SEL button (4) to select the item you want
to change and rotate the volume knob (4) to
change the corresponding setting.
1) BEEP ON/OFF
Use the volume knob (4) to set Beep sound
ON or OFF.
/MUT
BAL FAD
1.
2. Release button
3. /MUT button
4. Volume knob (when rotated)
SEL button (when pressed)
5. EQ button
6. DISP button
7. MON button
8. MODE button
9. AS/PS/Navi-SCH button
10. Tune/seek/track down button
11. Memory card interface
12. USB interface
13. BAND/LOU/ENT button
14. 1 PAU button
15. 2 SCN
16. 3 RPT
17. 1-6 preset buttons
18. 4 SHF
19. 5 DIR-
20. 6 DIR+
21. Liquid crystal display
22. AUX IN
23. Reset button
24. Remote sensor
2) AREA USA/EUR
Use the volume knob (4) to set AREA USA,
AREA EUR frequency spacing.
Note the frequency range of the different
area are not the same.
3) P-VOL
Use the volume knob (4) to select the volume
level when the unit turns on.

DISPLAY INFORMATION

Press DSP button (6) to operate as the
conversion of each display mode.

SET THE CLOCK

Shortly press the DISP button (6) until the clock is
shown on the display. Then hold the DSP button
until the clock flashes. Then press
to change the minutes and
change the hours.

EQUALIZATION

Press EQ button (5) to turn on equalization
function and to select desired audio mode. There
are five kinds of mode as below:
→ FLAT → CLASS → POP → ROCK →
6
Tune/seek/track up button
button (10)
button (1) to
OFF