Operation, Location of Keys | Boss Audio Systems 620UA specification

OPERATION

LOCATION OF KEYS	1.		Tune/seek/track up button
	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

SWITCHING ON/OFF THE UNIT

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

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 button (10)

to change the minutes and button (1) to 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 → OFF