Instruction/ maintenance manual of the product 620UA Boss Audio Systems
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620UA OWNER’S MANUAL Mobile Audio System y PLL Synthesizer Stereo Radio y Automatic Memory St oring y Det achable Panel y Preset Equalization y Memory Card Interface y USB Interface y Auxiliary Inpu.
CONTENTS Inst allation ........................................... 3 DIN Front-Mount (Method A) ................. 3 Installing the uni t ............................... 3 Removing t he unit ............................. 3 DIN Rear-Mount (Method B) ...
INST ALLA TION Notes: y Choose the mounting location where the unit will not interfere with the normal driving function of the driver . y y Use only the parts in cluded with the unit to ensure proper installation. The use of unauthorized parts can ca use malfunctions.
T o Det ach the Control p anel 1. Press the release button ( ) on the front panel and pull off the control p anel. T o Inst all the Control Panel T o install the control panel, insert the panel into the hou sing and ma ke sur e t he p ane l is properly installed.
WIRING CONNECTION 5.
OPERA TION LOCA TION OF KEYS 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 un it. F AC EPL A TE RE LEAS E Press button (2) to release the removable faceplate.
7 OPERA TION 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.
8 OPERA TION P AUSING PLA YING Press PA U button (14) to pause the playing. Press it again to resume play . PREVIEWING ALL TRACKS Press SCN button (15) to play first seve ral seconds of each track. Press again to stop intro and listen to track. REPEA TING THE SAME TRACK Press RPT button (16) to continuously repeat the same track.
9 REMOTE CONTROL SPECIFICA TION GENERAL Power Supply Requirements : DC 12 V olts, Negative Ground T one Controls - Bass (at 100 Hz) : ±10 dB - T reble (at 10 kHz) : ±10 dB Maximum Output Power : 4X5.
10 TROUBLE SHOOTING Before going through the checklist, check wiring c onnection. If any of the problems persist after checklist has been made, consult your nearest service dealer .
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