Boss Audio 618UA User Manual

CONTENTS

Precautions................................................................................................................................................. 1

Lithium Battery Cell Warnings
Use Caution

Installation ................................................................................................................................................

Uninstallation ......................................................................................................................................... 2

Wiring Connections ................................................................................................................................ 3

Uninstall the Main Unit

Operation

Power / SRC
Adjust Menu Options (SRC)
Change the Source (SRC)
Store/Recall Preset Stations (1 - 6)

Play/Pause
Next/Previous Track
Fast Forward/Backward

Insert SD Card
Adjust Volume (VOL)

Switch Between US and EU Frequency
Manual Tuning (|<< / >>|)
Auto Seek Tuning (|<< / >>|)

Change Bands (BAND)
Automatic Music Search (AMS)
Track Search
Track/Folder Navigation

Mute
Insert USB
AUX In Jack
Release Panel
Reset System (RESET)

Remote Control

Remove Insulating Sheet

Button Names and Locations ................................................................................................................

Troubleshooting ........................................................................................................................................

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Control Panel Button Locations ..................................................................................................................

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8
9

1

2-3

3
4
4-6
4

4
4
4
4
4
4
5Set the Clock (CLK)
5
5
5
5
5
5
5
5

5
5
6
6
6
6
7
7

7

ii

PRECAUTIONS

Lithium Battery Cell Warnings

 Cell leakage may cause damage to the remote control.
 Do not throw cells into as this may cause an explosion.
 Keep battery cells out of reach of children.

Use cautions

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Be sure to lower the volume before switching off the unit or the ignition ksy.



1

INSTALLATION

Installation Procedures

First complete the electrical connections and then check for correctness.

Installation Opening

2.05 inch

7.20 inch

This unit can be installed in any dashboard
Having an opening as shown above .The
Dashboard should be 4.75mm-5.56mm thick
in order to be able to support the unit.

0.20 inch

Dash board thickness
(side view)

Insert mounting collar into the dashboard and bend
the mounting tabs out with a screwdriver.

Make sure that lock lever is flush with the mounting
collar( not projecting outward).

MOUNTING SLEEVE

Secure the rear of the unit.
After fixing mounting bolt and power connector, fix the rear of the
unit to the car body by bubber cushion.

2

INSTALLATION(CONT.)

- Only use speakers with 4 ohms impedance.

- Do not attach the control panel to the chassis before wiring is complete.

!

- The maximum current of the auto antenna is 200mA.

Wiring Connections

WIRING
DIAGRAM

Fuse

15A

Fuse

0.5A

Green +

Rear Left Speaker

Green/Black -

Power B+ (Yellow)

GND (Black)

ANT (Blue)

ACC (Red)

&$ 87,21

+12V DC

NEGATIVE

GROUND

Rear Right Speaker

Front Right Speaker

Front Left Speaker

Purple/Black -

Purple +

Gray +

Gray/Black -

White +

White/Black -

Uninstall the Main Unit

1. Remove the metal strap from the main unit.

2. Remove the plastic trim out from the main unit.

3. Insert a bracket key into the left and right side of the main unit and draw the unit out of

the mounting sleeve.

3

CONTROL PANEL BUTTON LOCATIONS

REMOVE PANEL

18

19

OPERATION

1.POWER/SRC

RADIO,USB&CARD , AUX IN,modes (if there are USB and SD card inside the unit).

RADIO , and AUX IN, when user

4

OPERATION

8. CLK

Press the CLK button once to display the real time, With time appearing on the display.Press and hold
CLK button for more than 2 seconds until the time flashes. You can adjust the HOUR and MINUTE by
pressing the button and button respectively and rotate the volume knob to adjust.

9. SD CARD INSERTING SLOT

T

In the radio mode, rotate the volume knob to increase or decrese the volume level of the sound

Loc off Stereo Vol

In the USB or SD card mode, press the volume knob to enter the EQ function that the audio

At the radio status,press and hold the VOL button to enter switch state of the US(USA) and EU
(EUROPE) frequency,then rotate the VOL knob to select US frequency or EU frequency,after
selecting US or EU frequency,the system will switch to the selected frequency 3 seconds later.

11.FF( ) &12.FB( )

In the radio mode, long press the FF( ) or FB( ) button for more than 2 seconds, the unit will
search the next or previous frequency step by step.
Short press the FF( ) or FB( ) button, the automatic search will start, it will search upward or
downward for the strong signal radio station within the cuttent band. The auto searching will stop
until find a station.

In radio mode,press the BND button repeatedly to select the one of the radio band : FM 1,FM 2,FM 3,
AM1,AM2 in a cycle sequence. When you select a band, the word F1、F2、F3 for FM band, and A1、
A2 for AM band will be shown on the LCD display.

14.AMS

Press the AMS check

scan each preset station in each band.

AMS button to

5

OPERATION

During USB or SD playback, short press the AMS button to enter track search mode, then rotate
the VOL knob to track forward or backward; if no any operation in 5 seconds,it will play the current track.

15. MUTE

18.

o

19. RESET

To reset all parameters to factory default values. When LCD does not display normally or sound is
distoried or some controls are disabled, press the button to flip down the control panel form the head
unit and remove the control panel,then use a subject with a sharp point end to thrush the RESET hole.

6

REMOTE CONTROL(CONT.)

Button Names and Locations

1. Power button

2. MUTE button

3. CLK (clock) button

4. LOUD (loudness) button

5. AMS (automatic music search) button

6. PREV (previous) button

7. EQ (equalizer) button

8. SRC (source) button

9. RPT (repeat) or 3 button

10. INT (intro) or 2 button

11. LOC (local) button

12. VOL (volume) button

13. SEL (select) button

14. BAND button

15. ST (stereo) button

16. >|| or 1 button

17. NEXT button

18. RDM (random) or 4 button

19. - 10 or 5 button

20. + 10 or 6 button

7

TROUBLESHOOTING

A lot of static in
broadcast

8

.

Connect the battery cable to the terminal that is always live.

SPECIFICATIONS

General

Power supply Requirement : DC 12V

Maximum power output : 50W X 4CH

Speaker impedance : 4 - 8 Ohm

Unit Dimensions(WxHxD) : 7.0 X 2.0 X 3.8 inch

Weight : 1.54 Lb (0.7 kg)

Fuse : 15 A

RADIO

FM

Frequency Range USA / EUROPE: 87.5 MHz - 107.9 MHz / 87.5 MHz - 108.0MHz

Channel step: 200 KHz / 50 KHz

AM

Frequency Range USA / EUROPE: 530 KHz - 1710 KHz / 522-1620 KHz
Channel step: 10 KHz / 9 KHz

USB/Card

Usable Audio Formats
Pre-amp Output
Frequency Response
S/N Ratio

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MP3/WMA

Rear

20 Hz - 20 KHz

60dB

9