BOSSCO 616UAB User manual

CONTENTS
Precautions..................................................................................................................................................1
Take Precaution
.....................................................................................................................................
1
Installation................................................................................................................................................2-3
Installation Procedures
Installation Opening
..........................................................................................................................
................................................................................................................................
2
2
Removal of the Main Unit
.......................................................................................................................3
Wiring Connections.................................................................................................................................3
Overview of the Components ..................................................................................................................... 4
Operating Instructions
............................................................................................................................. 4-6
Power On/Off .......................................................................................................................................... 4
Troubleshooting..........................................................................................................................................
8
.............................................................................................................................................
9
4
.....................................................................................................................
Manual Tuning / Auto Seek
5
...............................................................................................................................
Next/Previous Track
5
........................................................................................................................
Faste Forward/Backward
Adjust Volume (VOL)
Push-To-Talk
.............................................................................................................................
.........................................................................................................................................
4
4
Adjust Menu Options (SEL) ................................................................................................................... 4
Change Bands (BAND).......................................................................................................................... 5
Automatic Store Preset station (AMS) ................................................................................................... 5
To Store / Recall Preset Stations .......................................................................................................... 5
Play / Pause .......................................................................................................................................... 5
Mute On/Off .......................................................................................................................................... 5
Introduction Scan .................................................................................................................................. 5
USB Connection
.................................................................................................................................... 6
AUX Socket ........................................................................................................................................... 6
Reset ..................................................................................................................................................... 6
Repeating the Track
............................................................................................................................... 5
Track/Folder Navigation ........................................................................................................................ 5
Playing all tracks in random .................................................................................................................. 5
Select the track or file for playback in MP3 format ................................................................................. 5
..............................................................................................................................
1
Lithium Battery Cell Warnings
Bluetooth Operation.................................................................................................................................... 7
Pair and Connect ................................................................................................................................... 7
Make a Call ............................................................................................................................................ 7
Redial Last Dialed Number ................................................................................................................... 7
Answer a Call......................................................................................................................................... 7
End a Call .............................................................................................................................................. 7
Switch Audio Between Car and Phone .................................................................................................. 7
Adjust Talk Volume................................................................................................................................. 7
Bluetooth Music (A2DP)
Push-To-Talk
......................................................................................................................... 7
......................................................................................................................................... 7
Remote Control
.........................................................................................................................................
6
Button Names and Locations................................................................................................................. 6
4
.....................................................................................................................
Change the Source (SRC)

PRECAUTIONS
1
Take Precaution
•
•
•
•
•
• Be sure to lower the volume before switching off the unit or the ignition key.
Some MP3/WMA files may not be playable.
, CAUTION
For coin/button battery used, please refer for further information to the user manual
Attention should be drawn to the environmental aspects of battery disposal
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type.
The batteries (battery pack or batteries installed) shall not be exposed to excessive heat such as
sunshine, fire or the like.
WARNING
Do not ingest the battery, Chemical Burn Hazard (The remote control supplied with)
This product contains a coin/button cell battery. If the coin/button cell battery is swallowed, it can cause
severe internal burns in just 2 hours and can lead to death.
Keep new and used batteries away from children.
If the battery compartment does not close securely, stop using the product and keep it away from
children.
If you think batteries might have been swallowed or placed inside any part of the body, seek immediate
medical attention.
• The use of apparatus in moderate climates.
• The symbol indicates DC voltage.

INSTALLATION
2
Installation Procedures
Installation Opening
First complete the electrical connections and then check for correctness.
This unit can be installed in any dashboard Having an opening as shown below.
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
2.05 inches
7.20 inches

INSTALLATION(CONT.)
3
Uninstall the Main Unit
1. Remove the plastic trim out from the main unit.
2. Insert a bracket key into the left and right side of the main unit and draw the
unit out of the mounting sleeve.
- Only support speakers of 4 ohms or above.
- The maximum current of the auto antenna is 200mA.
- The equipment shall be protected by the circuit with max. 10
Amperes of the front end of DC source.
Connect all wiring harness and slide the head unit into the mounting
collar until it clicks into place.
!
Wiring Connections
ANT F-R R-R
F-L R-L
10
Radio Antenna
White
Front Left
Speaker
Rear Left
Speaker
Front Right
Speaker
Rear Right
Speaker
White/Black
ACC + (Red)
GND - (Black)
ANT + (Blue)
Power B+ (Yellow)
Gray/Black
Purple
Purple/Black
Green
Green/Black
Gray
Red: Front Right PRE-AMP Output
White: Front Left PRE-AMP Output
White: Rear Left PRE-AMP Output
Red: Rear Right PRE-AMP Output

Overview of the Components
4
Operating Instructions
1. Turn the Unit on/off, Change the Source (SRC/PWR)
• Press any button to turun on the unit. Press and hold the SRC/PWR button to turn off the unit.
• Press this button to select the different modes: Radio, USB(with USB device inserted), AUX-IN(auxiliary
input) and BT(Bluetooth) modes.
2. Adjust the volume (VOL),
Rotate the VOL knob to increase or decrease the volume level.
Push-To-Talk
Press the button (VOL knob) to access to smartphones voice assistant capability via Bluetooth.
Adjust Audio/Menu Options (SEL)
Press and hold the SEL button to enter into setting menu, then press the SEL button repeatedly to
select setting items, rotate the VOL knob to change values.
- Clock Display/Settings: Press and hold the SEL button to diplay clock time.
Press and hold the SEL button again, the hours digits start flashing on the display, Set hours by
rotating the VOL knob. Short press the CLK button, the minute digits start flashing. Set minutes by
rotating the VOL knob.
- ILL MID/HI/LOW: This receiver is equipped with 3 brightness settings.
Rotate the volume knob to preset the illumination to middle, high or low.
- BASS/TREBLE:-7, -6, ~, 1, 0, +1,~, +6, +7
- BALANCE:L7, L6,~, L1, 0, R1,~,R6, R7
- FADER:R7,R6~, R1, 0, F1, ~ ,F6, F7
- EQ(Equalizer) Setting: OFF, CLASS, ROCK, POP, FLAT
- Loudness: LOUD ON/OFF
- DX/LOCAL: Enables or disables the local broadcast mode (LOCAL).
- Stereo/Mono: Switches between MONO and STEREO reception mode for radio frequencies.
- CLOCK 12/24: Select between 12 hours and 24 hours display.
Note: If 12 hour display is selected , AM= Morning; PM= Afternoon
- AREA US/EU: This car radio is equipped the USA / Europe frequency.
Rotate the volume knob to switch between USA and Europe frequency. The system will change the
frequency setting in about 3 seconds.
3. 4. Manual Tuning / Auto Seek
In the radio mode:
Press and hold the or button to enter the manual tuning mode. In manual tuning mode, briefly
press the or button to search the next or previous frequency step by step.
Press the or 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.
FLAT
CLASSIC
POP ROCK USB BT
INT RPT RDM
14
16
1715

Operating Instructions
5
Next/Previous Track; Fast Forward/Backward
In the USB mode:
Briefly press the or button to play the the next or previou track.
Press and hold the or button to fast forward or fast backward.
5. Change Bands
In radio mode, shortly press the BAND/AMS button to switch between the FM1(F1), FM2(F2), FM3(F3)
and AM1(A1), AM2(A2) bands.
Automatic Store Preset station (AMS)
Press and hold the BAND/AMS button to start the automatic station scanning. The search process can
take some minutes. The stations are stored according to signal strength. Then, the saved stations are
played for a short time. Press any station button to quit the operation.
Briefly press the BAND button on the remote control to scan each preset station in each band.
Select the track or file for playback in MP3 format
a) Press and hold the BAND/AMS button to enter track search mode. First “TRK0000“ will appear on the
display.
b) Rotate the volume knob and select the “first number”. Then press the button to move the “first
number” to the left and enter the next number.
c) When the desired track number appears, confirm your selection by pressing SEL button (VOL knob).
If no any operation in 5 seconds,it will play the current track.
6. LCD Display
7~12. To Store / Recall Preset Stations
The radio can be stored 6 preset stations for each band (FM1, FM2, FM3,AM1 and AM2) for atotal of 30
preset stations.
- To memorize a station:
Press and hold one of the six preset buttons (1-6) to save a radio station.
- To recall a preset station:
Briefly press the respective station button (1-6) to recall the corresponding preset station.
Play / Pause
Press the button to interrupt the playback of a music title (pause function). Press this button again to
continue the playback.
MUTE On/Off
During AUX mode, briefly press the button to toggle mute on or off.
Introduction Scan
Press the INT button to play the first 10 seconds of all track. Press again to stop theintroduction scan, and
play the current track.
Repeating the track
Press the RPT button to toggle between RPT ALL (Play all track), RPT FLR (Continuously repeat all
tracks in current folder) and RPT ONE (Continuously repeat current track).
Playing all tracks in random
Press the RDM button. A random playback of all tracks will start. Press the button again to set the normal
playback.
Track/Folder Navigation
- Press the -10/+10 buttons to jump 10 tracks backward or forward. It is required that over 10 tracks be
available on the storage medium.
- Press and hold the F-/F+ button to select the previous or the next folder. (If there are folders on the
storage medium.)

6
13. IR remote sensor
14. USB Connection
Insert a USB stick with MP3/WMA musics into the USB port, it will start playback automatically.
The USB port also support USB charging, the charging ability is 5V / 1A.
15. Hands-free Microphone
To receive your voice when you calling by using this bluetooth handsfree system.
16. AUX Socket
Using this socket, it is possible to hear the sound of other playback devices such as MP3 players, CD
players etc. through the car loudspeaker.
1. Please connect the external device with a 3.5 mm stereo jack plug to the AUX socket.
2. Press the SRC button repeatedly until “AUX IN” appears in the display.
3. You hear the playback from the external device via the loudspeakers. User can adjust the volume of
the external device to a comfortable level with the volume control of this device.
17. Reset
Push the RESET button with a thin object with a pointed end to reset all parameters to factory default
settings. This function may be used when the LCD does not display normally or sound is distorted, or
when any of controls are disabled.
Operating Instructions
REMOTE CONTROL
Button Names and Locations
1. (Power on/off) button
2.
3.
4.
5.
8.
9.
10.
11.
16.
17.
18.
19.
20
VOL+/VOL-(volume increase/decrease) button
Band button, (answer call) button
PREV: tune down, seek down; Track down, fast reverse
SEL(selection) button
6. NEXT: tune up, seek up; Track up, fast forward
7. Mute button, DEL(Delete) button
CLK(clock setting) button, (end call) button
2dapyek,nottub2)ortni(TNI
3dapyek,nottub3)taeper(TPR
12. RDM (random) 4 button, keypad 4
13. -10(previous 10 tracks) 5 button, keypad 5
14. +10(next 10 tracks) 6 button, keypad 6
15. ST (stereo) button, keypad 7
LOUD(loudness) button, keypad 8
AMS (automatic music search) button, keypad 9
SRC(Source) button, keypad
EQ(Equalizer) button, keypad 0
. LOC (local)/DX button, keypad #
Note: When using the remote control for the first time, you
must pull out the portective plastic tab from the battery compartment
found on the back of the remote control.
button, preset station 1 button, keypad 1
button, preset station
button, preset station
, preset station
, preset station
, preset station
11
2
10
4
12
15
9
18
19
20
13
8
14
6
7
5
17
16
13

BLUETOOTH OPERATION
7
Pair and Connect
Pair the mobile phone with the device before using it.
1. In any mode, prior to pairing and connecting, the BT logo in the LCD indicating that no device is
connected. To begin pairing, enable BT mode on your mobile phone.
2. When the phone finds the car audio system, the “BOSS AUDIO 616UAB” name will be displayed.
3. Choose the “BOSS AUDIO 616UAB” from the device list to pair and connect with the car audio
system. Upon confirming, the BT logo will stop flashing.
4. When pairing is complete, the mobile phone audio will automatically transfer to the car
audio system whenever a call is made or received, or when the mobile phone plays music.
Make a Call
• To make a call, dial the call directly from the paired mobile phone.
• To make a call with this bluetooth handsfree system:
a) When linking up the Bluetooth-enabled mobile phone to this bluetooth handsfree system, press the
button to access the dial telephone number mode, then press the “0~9”, * and # button on remote
control to input the telephone number, and the entered number will be shown on the LCD display.
b) If a number has been incorrectly inputted, press the DEL button or button to delete it.
c) Press the button to make outgoing call.
Redial Last Dialed Number
Press and hold the button on the control panel to redial the last dialed phone number.
Answer a Call
• When the mobile phone is called, the incoming telephone number displays on the LCD.
• To receive the call, press the button on the front panel or remote control.
Reject or End a Call
To reject or end the call, press the button on the front panel or remote control.
Switch Audio Between Car Audio and mobile Phone
During a call, press the VOL knob/button to switch the audio source from the car audio system back to
your mobile phone.
Adjust Call Volume
During a call, use VOL knob or VOL+ /VOL- button to adjust the call volume level.
Audio Streaming (A2DP)
1. Press the SRC button to enter BT mode and the “BT AUDIO” shown on the LCD display.
2. When a mobile device is paired, music played through that device will automatically be heard through
the car audio system.
3. Press the or button to play the next or previous on the mobile phone.
4. Press the button to pause or resume music playback.
Push-To-Talk
This Push-To-Talk feature allows direct access to Android and IOS smartphones voice assistant capability
when user establish the bluetooth connection between user’s smartphone and this receiver.
Simply connect directly from this receiver via Bluetooth with button (VOL knob).
Note:
• Before using the Push-To-Talk, user must enable the mobile data on user’s smartphone.
• To use the navigation feature, switch to the BT Audio source to hear voice commands over your
vehicles speakers.

8
TROUBLESHOOTING
If you suspect something is wrong, immediately switch power off. Do not use the unit in
abnormal condition, for example without sound, or with smoke or foul smell, can cause fire or
electric shock.
Immediately stop using it and call the store where you purchased it. Never try to repair the
unit by yourself because it is dangerous to do so.
Turn you car's key to ACC or ON.
Check the connection.
Replace fuse.
Check volume or mute on/off, adjust volume to a desired level.
The installation angle is more than 30°.Adjust the installation angle less than 30°.
The built-in micro- computer is not operatingproperly due to noise. Press the RESETbutton
to restore the program to zero.
Station or signal is too weak. Select other stations of stronger signallevel.
Insert the antenna cable firmly into the antenna socket of this car radio.
Battery cable is not correctly connected. Connect the battery cable to the terminal that is
always live.
a) USB connection is not good.
Take it out and insert again.
b) USB is damaged or no music file inside.
Change to another USB, or record music inside it.
• General
1) Car's engine switch is not on.
2) Cable is not correctly connected.
3) Fuse is burnt.
4) Volume is in mute or minimum.
5) Sound skips.
6) The operation keys do not work.
• Radio
1) Much noise in broadcasts.
2) The antenna cable is not connected.
3) Preset station is reset.
• USB
USB is connecting but no sound

SPECIFICATIONS
9
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 4.25 inches
Weight : 1.32 Lb (0.6 kg)
Fuse : 10 A
FM
Frequency Range: 87.5 MHz - 107.9 MHz (USA)
87.5 MHz - 108.0MHz (EUROPE)
Channel step: 200 KHz(USA)
50 KHz(EUROPE)
AM
Frequency Range: 530 KHz - 1710 KHz (USA)
522-1620 KHz(EUROPE)
Channel step: 10 KHz(USA)
9 KHz(EUROPE)
USB
RADIO
Usable Audio Formats: MP3/WMA
Pre-amp Output: Front and Rear
Frequency Response: 20 Hz - 20KHz
S/N Ratio: 60dB
USB Port Type: 2.0
USB Charging: 5V/1A
BT
BT Profile supports: Headset, Handsfree and A2DP & AVRCP
Range of frequency: 2.4GHz