Electrical Connection; General Operation - Boss Audio Systems 624B User Manual

ELECTRICAL CONNECTION

a. Make sure your car battery is a 12 volt (6 filler caps) negative ground system (if not, a
converter will be necessary).
b. Before starting wiring connections, disconnect the power supply by removing the fuse
from the fuse box.
c. Connect the power wire to one of the extra terminals of the fuse box.
d. Connect the black ground wire to a metal part of the car. It is important to make good
contact.
e. Make other wiring connections as shown.
f. If your car does not have ISO connector, you can procure it from any car accessory shop.
Notes: INCORRECT WIRING OR OPERATION WILL AVOID THE WARRANTY OF THIS UNIT.
(CAR UNIT BACK SIDE)

GENERAL OPERATION

POWER ON/OFF BUTTON (
Press POWER button or any other button on the front of the radio to turn the unit on.
Press POWER button again to turn the unit off.
MUTE BUTTON
Press the mute button momentarily to mute the audio volume, and "Mute" will in the
display. Press the mute button again to restore volume to the previous setting.
AUDIO SELECT BUTTON
Press this button to select desired audio function.
VOLUME (VOL)->BASS (BAS)-> TREBLE (TRE)-> BALANCE (BAL)-> FADER (FAD)
Rotate Volume Control to adjust desired level within 3 seconds.
MENU BUTTON
Press MENU Button to navigate through the menu items, while the desired menu item is
displayed, use Volume control to adjust the selected function:
- LOC/ DX MODE /
Use this mode to change between Local and Distant (DX) tuning mode. Local mode
improves reception in some areas where the signal is too strong.
- BEEP MODE (BEEP ON / OFF)
BEEP OFF: disable audible beep tone when any function is accessed.
BEEP ON: enable audible beep tone.
- CLOCK ADJUST
Under clock display mode.press MENU button until the LCD flashes.
Rotate the volume knob in clockwise direction to adjust hour, other direction to adjust minute.
FUSE
Fuse Replacement:
To replace the fuse, pull out the blown fuse
from the socket. Insert a new one with same
rating
)
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