Boss Audio Systems 620UA manual Radio Operation, USB Operation

OPERATION

MUTE

Press /MUT button (3) to mute down the sound instantly. Press again to resume the sound.

LOUDNESS

Press BAND/LOU/ENT button (13) for several seconds to reinforce the bass output and “LOUD” will appear on the display. Press it for several seconds again to release this function.

MODE SELECTION

Press MODE button (8) to select radio, USB, memory card play or AUX mode.

REMOTE SENSOR

Point the remote control handset to the remote sensor (24). Press the function keys on the handset to control the system.

AUXILIARY INPUT

The unit can be connected to a portable audio player through the auxiliary input jack AUX IN (22) on the control panel. After finishing the connection, you can press MODE button (8) on the control panel to switch the mode to AUX mode.

RESET FUNCTION

Reset button (23) must be activated with either a ballpoint pen or thin metal object. 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.

POWER-DOWN MEMORY FUNCTION

The unit has the power-down memory function; some data will never lose even when power's off. You can press the numerical button 1 (14) and MODE button (8) together to clear the power-down memory function.

RADIO OPERATION

SELECTING THE FREQUENCY BAND

At radio mode, press BAND/LOU/ENT button (13) shortly to select the desired band.

The reception band will change in the following order:

FM1 FM2 FM3 AM

SELECTING STATION

Press button (1) or button (10) shortly to

7

activate automatic seek function. Press for several seconds until “MANUAL” appears on the display, the manual tuning mode is selected. If both buttons have not been pressed for several seconds, they will return to seek tuning mode and “AUTO” appears on the display.

AUTOMATIC MEMORY STORING & PROGRAM SCANNING

-Automatic memory storing

Press AS/PS (Navi-SCH)button (9) for several seconds to store the strongest stations that searched into the corresponding preset number button.

-Program scanning

Press AS/PS (Navi-SCH)button (9) shortly to scan preset station.

STATION STORING

Press any one of the preset buttons (17) (1

to 6) to select a station, which had been stored in the memory. Press this button for several seconds to store the current station into the number button.

MONO/STEREO

Press MON button (7) to select mono or stereo mode. You can sometimes improve reception of distant stations by selecting mono operation.

USB OPERATION

On the control panel of the unit, there is an USB interface (12). You can connect an USB drive through this interface (12).

When you connect an USB drive through the interface, the unit will search the MP3 files or WMA files in the USB driver and start to play MP3 files or WMA files automatically. If in other mode, you can also press MODE button (8) to select USB mode.

SELECTING TRACKS

Press button (10) or button (1)

to move to the previous track or the following track. Track number shows on display.

Hold button (10) or button (1) to fast reverse or fast forward. Normal play starts from when you release the button.

SELECTING DIRECTORY UP/DOWN Press DIR- button (19) or DIR+ button (20) to select directory downward or upward. If the MP3 files does not contain any directory, there is no function of pressing DIR- button (19) or DIR+ button (20).