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

1. Įvadas

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. Svarbios saugos instrukcijos

• Maitinimas: Įsitikinkite, kad įrenginys prijungtas prie maitinimo šaltinio, kurio įtampa neviršija nurodytostage range (230 Volt AC). Always use the provided power cable.
• Vėdinimas: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions to prevent overheating.
• Vanduo ir drėgmė: Do not expose this apparatus to rain or moisture. Do not use near water or in damp aplinkos.
• Valymas: Valykite tik sausa šluoste. Prieš valydami atjunkite nuo elektros tinklo.
• Aptarnavimas: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel. Opening the unit may expose you to dangerous voltages ar kitų pavojų.
• Vieta: 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. Pakuotės turinys

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
• Kintamosios srovės laidas
• FM antena
• Bluetooth antena
• Remote Control (IRC-A)
• Terminal Blocks (for Emergency Input and External Mute)

3.1 paveikslas: 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. Priekinio skydelio valdikliai ir jungtys

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

4.1 paveikslas: Priekyje 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): Prijunkite mikrofoną čia.
• MIC Level: Adjusts the input level of the microphone.
• 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.
• Ekranas: Shows current mode, track information, FM frequency, or Bluetooth status.
• SOURCE mygtukas: Selects input source (USB, SD, FM, Bluetooth, Line 1, Line 2).
• MODE mygtukas: 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: Reguliuoja ausinių išvesties garsumą.
• AUSINĖS (6,35 cm lizdas): Ausinių išvestis stebėjimui.
• MAITINIMO LED: Indicates the unit's power status.
• LYGIO matuokliai: Visual indication of output signal levels.

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

4.3 paveikslas: 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.

4.4 paveikslas: 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. Galinio skydelio jungtys

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

5.1 paveikslas: Galinis 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: Įrenginio maitinimo jungtis.
• MASTER 1/2 Outputs (Balanced XLR & Unbalanced RCA): Main audio outputs to connect to ampkeltuvai arba maitinami garsiakalbiai.
• 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.
• Mikrofono įvestis (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. Sąranka ir diegimas

6.1. Stovo montavimas

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. Maitinimo prijungimas

1. Įsitikinkite, kad įrenginio maitinimo jungiklis yra IŠJUNGTOJE padėtyje.
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. Garso jungtys

1. Įvesties šaltiniai: 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. Išėjimai: 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. Antenos jungtys

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. Naudojimo instrukcijos

7.1. Įjungimas/išjungimas

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. Paspauskite ŠALTINIS button until 'USB' or 'SD' is displayed.
3. Įrenginys automatiškai pradės groti suderinamą garso įrašą files.
4. Naudokite SEQ buttons (Play/Pause, Next/Previous) to control playback.
5. Paspauskite REŽIMAS button to cycle through playback modes (e.g., repeat one, repeat all, random).

7.3. Bluetooth veikimas

1. Paspauskite ŠALTINIS button until 'BT' (Bluetooth) is displayed. The unit will enter pairing mode, indicated by a flashing 'BT' on the display.
2. Savo „Bluetooth“ įrenginyje (išmaniajame telefone, planšetiniame kompiuteryje) ieškokite galimų „Bluetooth“ įrenginių.
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 radijas

1. Paspauskite ŠALTINIS mygtuką, kol pasirodys „FM“.
2. Naudokite 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. Mikrofono įvestis

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

7.6. Mixer Functions

1. Pritaikykite individualų LYGIS knobs for Line 1, Line 2, and the media player to balance the input sources.
2. Naudokite MASTER 1 ir 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. Prijunkite ausines prie TELEFONAI jack and adjust the CUE Volume stebėjimui.

7.7. Remote Control (IRC-A)

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

7.1 paveikslas: 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: Groti, Pauzė, Kitas takelis, Ankstesnis takelis.
• FM Radio Presets (1-9): Directly select saved FM stations.
• MEDIA / RADIO Buttons: Navigate between media player and radio modes.
• SOURCE mygtukas: Perjungia įvesties šaltinius.
• VOLUME Up/Down: Reguliuoja pagrindinio išvesties garsumą.

8. Priežiūra

• Valymas: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
• Vėdinimas: Ensure that the ventilation openings are free from dust and debris to maintain proper airflow.
• Saugykla: Jei įrenginį ilgesnį laiką sandėliuosite, atjunkite jį nuo maitinimo šaltinio ir laikykite vėsioje, sausoje vietoje, toliau nuo tiesioginių saulės spindulių ir ekstremalių temperatūrų.

9. Trikčių šalinimo vadovas

• Nėra galios:
  • Check if the power cable is securely connected to the unit and the power outlet.
  • Įsitikinkite, kad maitinimo lizdas veikia.
  • Verify the power switch on the front panel is in the ON position.
• Nėra garso išvesties:
  • Check all audio cable connections to and from the unit.
  • Ensure the correct input source is selected using the ŠALTINIS mygtuką.
  • Patikrinkite, ar MEISTRO lygis knobs are turned up.
  • Check the volume levels on your connected ampkeltuvai arba maitinami garsiakalbiai.
  • If using a microphone, ensure its Lygis knob is turned up.
• „Bluetooth“ neprisijungia:
  • 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.
  • Pabandykite atjungti ir vėl susieti įrenginį.
• USB/SD Media Not Playing:
  • Įsitikinkite, kad USB atmintinė arba SD kortelė įdėta teisingai.
  • Patikrinkite, ar 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. Techninės specifikacijos

• Modelis: B4.2 Mediamix
• Prekinis ženklas: JBSISTEMOS
• Gaminio matmenys: 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.)
• Gamintojo nuoroda: 001BE/8400
• Maitinimo šaltinis: Su laidu elektra
• ttage: 230 voltų
• Ryšio technologija: Bluetooth
• Pirmoji prieinama data: 15 m. sausio 2020 d

11. Garantija ir palaikymas

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.