Boss Audio Systems 450MB Digital Media Receiver User Manual

Boss Audio Systems 450MB Digital Media Receiver

PRECAUTIONS

Take Precaution

• To reduce the risk of fire, electric shock, and annoying interference, do not repair yourself. Please refer serving to qualified person.
• Some MP3/WMA files may not be playable.
• Keep lower volumes to concentrate on traffic and road conditions.
• If the battery is disconnected or discharged or changed, the preset memory will be erased and must be reprogrammed.
• Installation of unit is better at a horizontal position, or if it is at an angle, it may be not working at its best situation
• Be sure to lower the volume before switching off the unit or the ignition key.

INSTALLATION

Installation Procedures

First complete the electrical connections and then check for correctness.

Installation Opening

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 leveris flush with the mounting collar( not projecting outward).

WARNING:

• Only use speakers with 4 ohms impedance.
• The maximum current of the auto antenna is 200mA.

Wiring Connections

Removal of 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.

CONTROL PANEL BUTTON LOCATIONS

OPERATION

1. POWER/SRC

Press the POWER button to turn on the unit.and long press it again to turn off the unit. When the unit turn on.short press POWER/SRC button to switch the unit between RADIO, USB, SD ,BT, AUX IN,modes (if there are USB and SD card inside the unit).1/. If there is no USB & SD card, then ii will be only radio , BT and Aux. When the user inserts a USB flash drive or SD Card, their respective logos will illuminate on the display.

2-7.(button 1 to 6) PRESET MEMORY BUTTONS In Radio mode

To memorize the frequency,press one of the six preset buttons(1 -6) hold for more 2″S,
the frequency is su~cessfully stored.

Therefore there are FM1,FM2,FM3,AM1 & AM2,each band can store 6 stations.so total 30 stations
can be stored. To recall the preset momory station,press one of the preset buttons(1-6) plus the BND bullion for FM1,FM2,FM3.AM1 & AM2.

• During USB or SD card mode, press the ‘1/button to pause or resume music playback.
• Press the ‘2/INT’ button to play the first 10 seconds of each track, press again to stop the introduction scan, and play the current track.
• Press the ‘3/RPT’ button to toggle between RPT ALL (Play all track), RPT FLR (Continuously repeats all tracks in current folder) and RPT ONE (Continuously repeats current track).
• Press the ‘4/RDM’ button to play all tracks in random order, press again to cancel random playback.
• During USB or SD card mode, press ‘5/-10’ button to go backward 1 O tracks. Press ‘6/+10’ button to jump toward 10 tracks.
• During USB or SD card mode, long press ‘5/-10’ button to go back 1 folder. Long press ‘6/+1 O’ button to go up 1 folder. You can repeat this function depending on the number of folders. This button will have no function if the USB or SD card has no folders.

8. CLK/MUTE

• Press and hold the CLK button once to display the real time, With time appearing on the display.
• Press and hold the CLK button for more than 2 seconds until the hour flashes. You can adjust the HOUR by pressing thebutton andbutton. Then press the CLK button briefly, the minute will flash, you can adjust the MINUTE by pressing thebutton andbutton.
• Finally press the CLK button to confirm the time adjustments.

Short press the MUTE button to tum MUTE ON/OFF, when it is on, the MUTE will be flash on the LCD and no sound output. When short press again it will be cancelled.

9. USB Port & Micro SD card SD Slot

10. VOLUME Adjustment

• Rotate the volume knob to increase or decrese the volume level of the sound output.
• Press the SEL button repeatedly to cycle through the following adjustable audio functions:
  BASS, TREBLE, BALANCE, FADER, EQ OFF, CLASS/ROCK/POP/ FLAT, LOUD ON/OFF, DX/LOC, STEREO/MONO, CLOCK 12/24, AREA US/EU, ILL MID/HI/LOW.
• Rotate the VOL knob to adjust the selected item.
  • BASS: -7, -6, ~, -1, 0, +1, ~, +6, +7
  • TREBLE: -7,-6, ~, -1, 0,+01,~, +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.
  • 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.

11.FF() &12.FB()

In the radio mode:
Long press the orbutton for more than 2 seconds, the unit will switch to manual tuning mode, briefly press theorbutton to search the next or previous frequency step by step. Short press theorbutton, 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 the USB or SD card mode:
Briefly press theorbutton to play the the next or previou track. Press and hold theorbutton to fast forward or fast backward.

13.BND/AMS

In radio mode,short press the BND/AMS 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.

Press the BND/AMS button for several seconds.the radio searches form the current frequency and
the signal strength until one cycle search is finished. When the 6 strongest stations will be stored into the corresponding preset number within the current band.

During USB or SD playback, press and hold the BND/AMS button to enter track search mode, the “TRK0000” will appear on the display. Rotate VOL knob to select the “first number”. Then press the |<< button to move the “first number” to the left and enter the next number. Finally press the SEL button to  confirm and play the selected track. If no any operation in 5 seconds,it will play the current track.

14. AUX IN JACK

15. RESET

To reset all parameters to factory default values. Use a subject with a sharp point end to thrush the
RESET hole.

BLUETOOTH OPERATION

Pair and Connect
Prior to using the Bluetooth device as a handsfree system for a Bluetooth-enabled mobile
phone for the first time, you must pair and connect the two devices as follows:

1. In any mode, prior to pairing and connecting, the BT logo flashes 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 450MB name will be displayed.
3. Choose the BOSS 450MB 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.

Redial Last Dialed Number

• Press and hold thebutton on the control panel to redial the last dialed phone number.

Answer a Call

• When the mobile phone is called, the incoming telephone number is displays on the LCD.
• To receive the call, press thebutton on the control panel.

Reject a Call

• To reject a call, press thebutton.

End a Call

• To reject an active call, press thebutton.

Switch Audio Between Car and 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 Talk Volume

• During a call, use a VOL knob to adjust the volume level.
• Use the MUTE button to mute sound.

Audio Streaming (A2DP)

1. Press thebutton to enter BT mode and display pause in the LCD.
2. When a mobile device is paired, music played through that device will automatically be heard through the car audio system.
3. Press theorbutton to play the next or previous on the mobile phone.
4. Press thebutton to pause or resume music playback.

TROUBLESHOOTING

If you suspect something is wrong, immediately switch the power off. Do not use the unit in abnormal conditions, for example without sound, or with smoke or foul smell, which 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.

General

• The car’s engine switch is not on.

Turn you car’s key to ACC or ON.

• The cable is not correctly connected.

Check the connection.

• The fuse is burnt.

Replace fuse.

• Volume is in mute or minimum.

Check the volume or mute on/off, and adjust the volume to a desired level.

• Sound skips.

The installation angle is more than 30°. Adjust the installation angle less than 30°.

• The operation keys do not work.

The built-in micro- computer is not operating properly due to noise. Press the RESET button
to restore the program to zero.

Radio

• Much noise in broadcasts.

The station or signal is too weak. Select other stations of stronger signal level.

• The antenna cable is not connected.

Insert the antenna cable firmly into the antenna socket of this car radio.

• Presetstation is reset.

Battery cable is not correctly connected. Connect the battery cable to the terminal that is
always live.

USB/SD

• USB or SD card is connecting but no sound
  • USB or SD card connection is not good. Take it out and insert again.
  • USB or SD card is damaged or no music file inside. Change to another USB or SD card, or
    record music inside it.

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:                                                                                    MP3/WMA

USB Port Type:                                                                                                  2.0
USB Charging:                                                                                                   5V/1A
Card Type:                                                                                                          MicroSD™

Pre-amp Output:                                                                                               Front and Rear
Frequency Response:                                                                                       20 Hz – 20 KHz
S/N Ratio:                                                                                                          60dB

BT
BT Profile supports                                                                                           A2DP , AVRCP & HFP
Range of frequency:                                                                                          2.4GHz spectrum

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Boss Audio Systems 450MB Digital Media Receiver-FAQs