JB-systems B4.2 Mediamix Media Player/Mixer User Manual

1. Bubuka

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. Parentah Kasalametan penting

• Sasayogian tanaga: Pastikeun alatna disambungkeun ka catu daya dina voltase anu ditangtukeuntage range (230 Volt AC). Always use the provided power cable.
• Ventilasi: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions to prevent overheating.
• Cai sareng Uap: Do not expose this apparatus to rain or moisture. Do not use near water or in damp lingkungan.
• beberesih: Clean only with a dry cloth. Disconnect from power before cleaning.
• Palayanan: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel. Opening the unit may expose you to dangerous voltages atawa bahya séjén.
• panempatan: 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. Eusi Paket

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
• Kabel Daya AC
• Antena FM
• Anteneu Bluetooth
• Remote Control (IRC-A)
• Terminal Blocks (for Emergency Input and External Mute)

Gambar 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. Kontrol sareng Sambungan Panel Hareup

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

Gambar 4.1: Hareupeun 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

• MIC Input (1/4" Jack): Connect a microphone here.
• Tingkat MIC: Adjusts the input level of the microphone.
• MIC EQ (High/Low): Kontrol nada pikeun input mikropon.
• 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.
• tampilan: Shows current mode, track information, FM frequency, or Bluetooth status.
• Tombol SUMBER: Selects input source (USB, SD, FM, Bluetooth, Line 1, Line 2).
• Tombol MODE: 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: Saluyukeun polumeu pikeun kaluaran headphone.
• PHONES (1/4" Jack): Headphone output for monitoring.
• DAYA LED: Indicates the unit's power status.
• LEVEL Meters: Visual indication of output signal levels.

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

Gambar 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.

Gambar 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. Sambungan Panel Rear

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

Gambar 5.1: Tukangeun 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: Sambungan daya pikeun unit.
• MASTER 1/2 Outputs (Balanced XLR & Unbalanced RCA): Main audio outputs to connect to amplifiers atanapi spéker Powered.
• REC Output (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.
• Input MIC (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: Pikeun nyambungkeun anteneu FM anu disayogikeun.
• BLUETOOTH ANTENNA Connector: For connecting the supplied Bluetooth antenna.

6. Setup jeung Instalasi

6.1. Rak Pamasangan

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. Sambungan Daya

1. Pastikeun saklar kakuatan unit dina posisi OFF.
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. Sambungan Audio

1. Sumber Input: 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. Kaluaran: 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. Antenna Connections

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. Parentah Operasi

7.1. Powering on / Pareum

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. Pencét éta SUMBER button until 'USB' or 'SD' is displayed.
3. Unit bakal otomatis mimiti muterkeun audio anu cocog files.
4. Ngagunakeun éta SEQ buttons (Play/Pause, Next/Previous) to control playback.
5. Pencét éta MODÉ button to cycle through playback modes (e.g., repeat one, repeat all, random).

7.3. Operasi Bluetooth

1. Pencét éta SUMBER 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. Pencét éta SUMBER pencét tombol 'FM' nepi ka némbongan.
2. Ngagunakeun éta SEQ 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. Input mikropon

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

7.6. Mixer Functions

1. Sesuaikeun individu TINGKAT knobs for Line 1, Line 2, and the media player to balance the input sources.
2. Ngagunakeun éta Master 1 jeung 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. Sambungkeun headphone ka TELEPON jack and adjust the CUE Volume pikeun ngawaskeun.

7.7. Remote Control (IRC-A)

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

Gambar 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: Maénkeun, Eureunkeun, Lagu Salajengna, Lagu Saméméhna.
• FM Radio Presets (1-9): Directly select saved FM stations.
• MEDIA / RADIO Buttons: Navigate between media player and radio modes.
• Tombol SUMBER: Ngaliwatan sumber input.
• VOLUME Up/Down: Saluyukeun volume kaluaran master.

8. Pangropéa

• beberesih: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
• Ventilasi: Ensure that the ventilation openings are free from dust and debris to maintain proper airflow.
• Panyimpenan: Upami nyimpen unit kanggo waktos anu lami, pegatkeun tina listrik teras simpen di tempat anu tiis sareng garing, jauh tina sinar panonpoé langsung sareng suhu anu ekstrim.

9. Guide ngungkulan

• Henteu aya kakuatan:
  • Check if the power cable is securely connected to the unit and the power outlet.
  • Pastikeun stop kontak listrik fungsina.
  • Pariksa deui naha saklar daya dina panel hareup aya dina posisi ON.
• Taya Kaluaran Sora:
  • Check all audio cable connections to and from the unit.
  • Ensure the correct input source is selected using the SUMBER kancing.
  • Pariksa yén Tingkat Master knobs are turned up.
  • Check the volume levels on your connected amplifier atanapi speaker Powered.
  • If using a microphone, ensure its Tingkat kenopna diangkat.
• Bluetooth Teu Nyambung:
  • 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.
  • Coba cabut pasangan sareng pasangkeun deui alat.
• USB/SD Media Not Playing:
  • Pastikeun drive USB atanapi kartu SD parantos dipasang kalayan leres.
  • Pariksa yén 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. Spésifikasi Téknis

• model: B4.2 Mediamix
• merek: Jbsystems
• Ukuran produk: 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.)
• Rujukan Pabrikan: 001BE/8400
• Sumber Daya: Kabel Listrik
• Voltage: 230 volt
• Téknologi konektipitas: Bluetooth
• Tanggal munggaran sayogi: 15 Januari 2020

11. Garansi jeung Rojongan

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.