Manual de utilizare pentru playerul/mixerul media JB-systems B4.2 Mediamix

1. Introducere

The JB-systems B4.2 Mediamix is a versatile media player and mixer designed for professional audio applications. It integrates a media player capable of reading USB drives and SD cards, an FM radio tuner, and a Bluetooth receiver, all within a compact 1U rack-mountable chassis. This manual provides detailed instructions for the safe and efficient operation of your B4.2 Mediamix unit.

2. Instrucțiuni importante de siguranță

• Alimentare electrică: Asigurați-vă că unitatea este conectată la o sursă de alimentare cu tensiunea specificată.tage range (230 Volt AC). Always use the provided power cable.
• Ventilare: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions to prevent overheating.
• Apă și umiditate: Nu expuneți acest aparat la ploaie sau umezeală. Nu îl utilizați în apropierea apei sau înamp medii.
• curatenie: Curățați doar cu o cârpă uscată. Deconectați de la priză înainte de curățare.
• Service: Nu încercați să reparați singur această unitate. Apelați la personal de service calificat pentru toate intervențiile. Deschiderea unității vă poate expune la intensități periculoase.tages sau alte pericole.
• Plasare: Place the unit on a stable, level surface or mount it securely in a 19-inch rack. Avoid placing it near heat sources or in direct sunlight.

3. Conținutul pachetului

Carefully unpack your B4.2 Mediamix and check that all items listed below are present and in good condition. If any items are missing or damaged, contact your dealer immediately.

• JB-systems B4.2 Mediamix unit
• Cablu de alimentare CA.
• Antena FM
• Antena Bluetooth
• Remote Control (IRC-A)
• Terminal Blocks (for Emergency Input and External Mute)

Figura 3.1: Included accessories for the B4.2 Mediamix. This image displays the FM antenna, Bluetooth antenna, various terminal blocks, and a coaxial cable, which are typically supplied with the unit.

4. Comenzi și conexiuni de pe panoul frontal

The front panel provides access to all primary controls and inputs for the B4.2 Mediamix. Familiarize yourself with these components for effective operation.

Figura 4.1: Faţă view of the B4.2 Mediamix. This image shows the entire front panel, including microphone inputs, EQ controls, media player section, display, master output controls, and headphone jack.

4.1. Detailed Controls

• Intrare microfon (mufă 1/4"): Connect a microphone here.
• MIC Level: Reglează nivelul de intrare al microfonului.
• MIC EQ (High/Low): Tone controls for the microphone input.
• AUX LINE Input (1/8" Jack): Auxiliary stereo input for external devices.
• LINE 1/2 Level: Adjusts the input level for Line 1 and Line 2.
• USB/SD Player: Slot for USB drives and SD cards.
• Afişa: Shows current mode, track information, FM frequency, or Bluetooth status.
• Butonul SOURCE: Selects input source (USB, SD, FM, Bluetooth, Line 1, Line 2).
• Butonul MOD: Changes playback mode (e.g., repeat, random).
• SEQ Buttons: Navigation and playback controls for media player (Play/Pause, Next/Previous).
• MASTER 1/2 Level: Controls the overall output level for Master 1 and Master 2.
• MASTER EQ (High/Low): Tone controls for the master output.
• CUE Volume: Reglează volumul pentru ieșirea pentru căști.
• CĂȘTIFURI (mufă 1/4"): Ieșire pentru căști pentru monitorizare.
• LED POWER: Indicates the unit's power status.
• Indicatori de NIVEL: Visual indication of output signal levels.

Figura 4.2: Left side of the front panel. This close-up highlights the microphone input, its level control, and the high/low EQ knobs.

Figura 4.3: Center section of the front panel. This image details the USB and SD card slots, the digital display, and the media player control buttons including Source, Mode, and navigation.

Figura 4.4: Right side of the front panel. This close-up shows the Master 1 and Master 2 level controls, master EQ, cue volume, headphone output, and the power level meters.

5. Conexiuni la panoul din spate

The rear panel houses all the input and output connections for integrating the B4.2 Mediamix into your audio system.

Figura 5.1: Spate view of the B4.2 Mediamix. This image displays the AC mains input, Master 1 and Master 2 outputs (both balanced and unbalanced), REC output, Line 1 and Line 2 inputs, a dedicated microphone input, emergency input, external mute terminals, and antenna connections for FM and Bluetooth.

5.1. Detailed Connections

• AC MAINS Input: Conexiune de alimentare pentru unitate.
• MASTER 1/2 Outputs (Balanced XLR & Unbalanced RCA): Main audio outputs to connect to ampsuflante sau difuzoare alimentate.
• Ieșire REC (RCA): Stereo output for connecting to a recording device.
• LINE 1/2 Inputs (RCA): Stereo inputs for connecting external audio sources like CD players or other mixers.
• Intrare microfon (XLR): Balanced microphone input.
• EMERGENCY INPUT (Terminal Block): For integration with emergency announcement systems.
• EXTERNAL MUTE (Terminal Block): For remote muting of the unit.
• FM ANTENNA Connector: For connecting the supplied FM antenna.
• BLUETOOTH ANTENNA Connector: For connecting the supplied Bluetooth antenna.

6. Configurare și instalare

6.1. Montare pe rack

The B4.2 Mediamix is designed for standard 19-inch rack mounting. Secure the unit using appropriate rack screws through the mounting ears on both sides of the front panel. Ensure adequate ventilation around the unit.

6.2. Conexiune la alimentare

1. Asigurați-vă că întrerupătorul de alimentare al unității este în poziția OPRIT.
2. Connect the supplied AC power cable to the AC MAINS input on the rear panel.
3. Plug the other end of the power cable into a suitable 230 Volt AC power outlet.

6.3. Conexiuni audio

1. Surse de intrare: Connect your external audio sources (e.g., CD players, laptops) to the LINE 1 or LINE 2 RCA inputs on the rear panel. For microphones, use either the front panel 1/4" jack or the rear panel XLR input.
2. Ieșiri: Connect the MASTER 1 and/or MASTER 2 outputs (XLR for balanced, RCA for unbalanced) to your amplifier, powered speakers, or main sound system. Use the REC output for connecting to a recording device.

6.4. Conexiuni antenă

1. Screw the supplied FM antenna to the FM ANTENNA connector on the rear panel. Extend the antenna for optimal reception.
2. Screw the supplied Bluetooth antenna to the BLUETOOTH ANTENNA connector on the rear panel.

7. Instrucțiuni de utilizare

7.1. Pornire/Oprire

Press the power button on the front panel to turn the unit ON or OFF. The POWER LED will illuminate when the unit is on.

7.2. Media Player (USB/SD)

1. Insert a USB drive into the USB slot or an SD card into the SD card slot on the front panel.
2. Apăsați tasta SURSĂ button until 'USB' or 'SD' is displayed.
3. Unitatea va începe automat redarea fișierelor audio compatibile files.
4. Utilizați SECV buttons (Play/Pause, Next/Previous) to control playback.
5. Apăsați tasta MOD button to cycle through playback modes (e.g., repeat one, repeat all, random).

7.3. Operare Bluetooth

1. Apăsați tasta SURSĂ button until 'BT' (Bluetooth) is displayed. The unit will enter pairing mode, indicated by a flashing 'BT' on the display.
2. On your Bluetooth-enabled device (smartphone, tablet), search for available Bluetooth devices.
3. Select 'B4.2 Mediamix' from the list to pair. Once paired, the 'BT' indicator will become solid.
4. You can now play audio from your device through the B4.2 Mediamix.

7.4. Radio FM

1. Apăsați tasta SURSĂ apăsați butonul până când se afișează „FM”.
2. Utilizați SECV buttons to manually tune to a station or press and hold to auto-scan for stations.
3. Stations can be saved as presets using the remote control.

7.5. Intrare microfon

1. Connect your microphone to either the front or rear MIC input.
2. Reglați Nivel MIC knob on the front panel to achieve the desired volume.
3. Utilizați MIC EQ (High/Low) knobs to adjust the tone of the microphone.

7.6. Funcții Mixer

1. Ajustați individul NIVEL knobs for Line 1, Line 2, and the media player to balance the input sources.
2. Utilizați MASTER 1 şi MASTER 2 Level knobs to control the overall output volume.
3. The MASTER EQ (High/Low) allows for overall tone adjustment of the main mix.
4. Conectați căștile la TELEFONURI jack and adjust the CUE Volume pentru monitorizare.

7.7. Remote Control (IRC-A)

The included remote control provides convenient access to media player and FM radio functions.

Figura 7.1: IRC-A Remote Control. This image displays the remote control unit with buttons for media player transport (play, pause, skip), FM radio presets (1-9), source selection, and volume adjustment.

• Media Player Transport Control: Play, Pause, Next Track, Previous Track.
• FM Radio Presets (1-9): Directly select saved FM stations.
• MEDIA / RADIO Buttons: Navigate between media player and radio modes.
• Butonul SOURCE: Parcurge ciclic sursele de intrare.
• VOLUME Up/Down: Ajustează volumul de ieșire principal.

8. Întreținere

• curatenie: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
• Ventilare: Ensure that the ventilation openings are free from dust and debris to maintain proper airflow.
• Depozitare: Dacă depozitați unitatea pentru o perioadă lungă de timp, deconectați-o de la priză și depozitați-o într-un loc răcoros și uscat, ferit de lumina directă a soarelui și de temperaturi extreme.

9. Ghid de depanare

• Fără putere:
  • Check if the power cable is securely connected to the unit and the power outlet.
  • Asigurați-vă că priza este funcțională.
  • Verify the power switch on the front panel is in the ON position.
• Fără ieșire de sunet:
  • Check all audio cable connections to and from the unit.
  • Ensure the correct input source is selected using the SURSĂ buton.
  • Verificați că Nivel MASTER knobs are turned up.
  • Check the volume levels on your connected ampamplificator sau difuzoare amplificate.
  • If using a microphone, ensure its Nivel butonul este rotit în sus.
• Bluetooth nu se conectează:
  • Ensure the B4.2 Mediamix is in Bluetooth mode ('BT' flashing on display).
  • Make sure Bluetooth is enabled on your transmitting device.
  • Move your device closer to the B4.2 Mediamix.
  • Încercați să anulați asocierea și să reasociați dispozitivul.
• USB/SD Media Not Playing:
  • Ensure the USB drive or SD card is inserted correctly.
  • Verificați că files are in a supported audio format (e.g., MP3, WAV).
  • Check if the media is corrupted or empty.
  • Ensure 'USB' or 'SD' is selected as the source.

10. Specificatii tehnice

• Model: B4.2 Mediamix
• Marca: JBSYSTEMS
• Dimensiuni produs: 5199.99 x 2500 x 950 cm (Note: These dimensions appear unusually large and may represent packaging or an error in source data. Refer to product packaging for accurate dimensions.)
• Referință producător: 001BE/8400
• Sursa de alimentare: Electric cu fir
• Voltage: 230 volți
• Tehnologie de conectivitate: Bluetooth
• Prima dată disponibilă: 15 ianuarie 2020

11. Garanție și asistență

This product is covered by a manufacturer's warranty. Please refer to the warranty card included with your product or contact your local dealer for specific warranty terms and conditions. For technical support or service inquiries, please contact your authorized JBSYSTEMS dealer or distributor.