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

1. Giriş

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. Önemli Güvenlik Talimatları

• Güç Kaynağı: Ensure the unit is connected to a power supply within the specified voltage range (230 Volt AC). Always use the provided power cable.
• Havalandırma: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions to prevent overheating.
• Su ve Nem: Do not expose this apparatus to rain or moisture. Do not use near water or in damp ortamlar.
• Temizlik: Sadece kuru bir bezle temizleyin. Temizlemeden önce cihazın fişini çekin.
• Servis: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel. Opening the unit may expose you to dangerous voltagveya diğer tehlikeler.
• Atama: 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. Paket İçeriği

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
• AC Güç Kablosu
• FM Anteni
• Bluetooth Anteni
• Remote Control (IRC-A)
• Terminal Blocks (for Emergency Input and External Mute)

Şekil 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. Front Panel Controls and Connections

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

Şekil 4.1: Ön 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): Buraya bir mikrofon bağlayın.
• Mikrofon Seviyesi: Mikrofonun giriş seviyesini ayarlar.
• MIC EQ (High/Low): Mikrofon girişi için ton kontrolleri.
• 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.
• Görüntülemek: Shows current mode, track information, FM frequency, or Bluetooth status.
• KAYNAK Düğmesi: Selects input source (USB, SD, FM, Bluetooth, Line 1, Line 2).
• MOD Düğmesi: 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: Kulaklık çıkışının ses seviyesini ayarlar.
• PHONES (1/4" Jack): Ses izleme için kulaklık çıkışı.
• GÜÇ LED'i: Indicates the unit's power status.
• SEVİYE Ölçerler: Visual indication of output signal levels.

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

Şekil 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.

Şekil 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. Arka Panel Bağlantıları

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

Şekil 5.1: Arka 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: Cihazın güç bağlantısı.
• MASTER 1/2 Outputs (Balanced XLR & Unbalanced RCA): Main audio outputs to connect to ampkaldırıcılar veya güçlü hoparlörler.
• 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.
• Mikrofon Girişi (XLR): Dengeli mikrofon girişi.
• EMERGENCY INPUT (Terminal Block): For integration with emergency announcement systems.
• EXTERNAL MUTE (Terminal Block): For remote muting of the unit.
• FM ANTENNA Connector: Birlikte verilen FM antenini bağlamak için.
• BLUETOOTH ANTENNA Connector: For connecting the supplied Bluetooth antenna.

6. Kurulum ve Kurulum

6.1. Raf Montajı

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. Güç Bağlantısı

1. Cihazın güç düğmesinin KAPALI konumda olduğundan emin olun.
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. Ses Bağlantıları

1. Giriş Kaynakları: 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. Çıktılar: 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. Anten Bağlantıları

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. Kullanım Talimatları

7.1. Açma/Kapama

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. Basın KAYNAK button until 'USB' or 'SD' is displayed.
3. Cihaz, uyumlu sesleri otomatik olarak çalmaya başlayacaktır. files.
4. Kullanın Sırası buttons (Play/Pause, Next/Previous) to control playback.
5. Basın MOD button to cycle through playback modes (e.g., repeat one, repeat all, random).

7.3. Bluetooth Çalışması

1. Basın KAYNAK 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. FM Radyo

1. Basın KAYNAK 'FM' görüntülenene kadar düğmeye basın.
2. Kullanın Sırası 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. Mikrofon Girişi

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

7.6. Mixer Functions

1. Bireyi ayarlayın SEVİYE knobs for Line 1, Line 2, and the media player to balance the input sources.
2. Kullanın MASTER 1 Ve MASTER 2 Level knobs to control the overall output volume.
3. The ANA EQ (High/Low) allows for overall tone adjustment of the main mix.
4. Kulaklıkları bilgisayara bağlayın TELEFONLAR jack and adjust the CUE Volume izleme için.

7.7. Remote Control (IRC-A)

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

Şekil 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: Oynat, Duraklat, Sonraki Parça, Önceki Parça.
• FM Radio Presets (1-9): Directly select saved FM stations.
• MEDIA / RADIO Buttons: Navigate between media player and radio modes.
• KAYNAK Düğmesi: Giriş kaynakları arasında döngüsel olarak geçiş yapar.
• VOLUME Up/Down: Ana çıkış ses seviyesini ayarlar.

8. Bakım

• Temizlik: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
• Havalandırma: Ensure that the ventilation openings are free from dust and debris to maintain proper airflow.
• Depolamak: Üniteyi uzun süre saklayacaksanız, güç bağlantısını kesin ve serin, kuru, doğrudan güneş ışığından ve aşırı sıcaklıklardan uzak bir yerde saklayın.

9. Sorun Giderme Kılavuzu

• Güç Yok:
  • Check if the power cable is securely connected to the unit and the power outlet.
  • Elektrik prizinin çalışır durumda olduğundan emin olun.
  • Verify the power switch on the front panel is in the ON position.
• Ses Çıkışı Yok:
  • Check all audio cable connections to and from the unit.
  • Ensure the correct input source is selected using the KAYNAK düğme.
  • Şunu doğrulayın: Usta Seviye knobs are turned up.
  • Check the volume levels on your connected amplifli veya güçlendirilmiş hoparlörler.
  • If using a microphone, ensure its Seviye Düğme yukarı çevrilmiş.
• Bluetooth Bağlanmıyor:
  • 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.
  • Cihazın eşleştirmesini kaldırıp yeniden eşleştirmeyi deneyin.
• USB/SD Media Not Playing:
  • USB sürücünün veya SD kartın doğru şekilde takıldığından emin olun.
  • Şunu doğrulayın: 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. Teknik Özellikler

• Modeli: B4.2 Mediamix
• Marka: JBS SİSTEMLERİ
• Ürün Ölçüleri: 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.)
• Üretici Referansı: 001BE/8400
• Güç Kaynağı: Kablolu Elektrik
• Cilttage: 230 Volt
• Bağlantı Teknolojisi: Bluetooth
• İlk Kullanılabilirlik Tarihi: 15 Ocak 2020

11. Garanti ve Destek

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.