JBSYSTEMS B4.2

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

Model: B4.2 | Brand: JBSYSTEMS

1. הקדמה

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. וויכטיק סאַפעטי אינסטרוקציעס

  • מאַכט צושטעלן: זיכער מאַכן אַז די אַפּאַראַט איז פארבונדן צו אַ מאַכט צושטעל אין די ספּעציפֿישע וואָלומעןtage range (230 Volt AC). Always use the provided power cable.
  • ווענטילאַטיאָן: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions to prevent overheating.
  • וואַסער און נעץ: Do not expose this apparatus to rain or moisture. Do not use near water or in damp ינווייראַנמאַנץ.
  • רייניקונג: רייניקן נאָר מיט אַ טרוקענעם שטאָף. אָפּשטעקן פֿון עלעקטריע איידער רייניקונג.
  • סערוויס: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel. Opening the unit may expose you to dangerous voltagעס אָדער אנדערע כאַזערדז.
  • אָרט: 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. פּעקל אינהאַלט

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
  • אַק מאַכט קאַבלע
  • עפעם אַנטענע
  • בלועטאָאָטה אַנטענע
  • Remote Control (IRC-A)
  • Terminal Blocks (for Emergency Input and External Mute)
Included accessories for the JB-systems B4.2 Mediamix, including antennas, terminal blocks, and cables.

פיגורע 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.

פראָנט view of the JB-systems B4.2 Mediamix showing all controls and display.

פיגורע 4.1: פראָנט 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): פֿאַרבינדט אַ מיקראָפֿאָן דאָ.
  • MIC Level: אַדזשאַסטירט דעם אינפוט לעוועל פון דעם מיקראָפאָן.
  • 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.
  • ווייַז: Shows current mode, track information, FM frequency, or Bluetooth status.
  • SOURCE קנעפּל: Selects input source (USB, SD, FM, Bluetooth, Line 1, Line 2).
  • מאָדע קנעפּל: 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: אַדזשאַסטירט דעם באַנד פֿאַר די כעדפאָון אַרויסגאַנג.
  • PHONES (1/4" Jack): Headphone output for monitoring.
  • מאַכט געפֿירט: Indicates the unit's power status.
  • LEVEL Meters: Visual indication of output signal levels.
Close-up of the left side of the B4.2 Mediamix front panel, showing microphone input and EQ controls.

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

Close-up of the center of the B4.2 Mediamix front panel, showing USB/SD slots, display, and media controls.

פיגורע 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.

Close-up of the right side of the B4.2 Mediamix front panel, showing master output controls, cue, and headphone jack.

פיגורע 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. דערציען פּאַנעל קאַנעקשאַנז

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

דערציען view of the JB-systems B4.2 Mediamix showing all input and output connections.

פיגורע 5.1: דערציען 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: Power connection for the unit.
  • MASTER 1/2 Outputs (Balanced XLR & Unbalanced RCA): Main audio outputs to connect to ampליפערז אָדער פּאַוערד ספּיקערז.
  • 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.
  • MIC Input (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. סעטאַפּ און ייַנמאָנטירונג

6.1. געשטעל מאַונטינג

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. מאַכט קאַנעקשאַן

  1. זיכער מאַכן אַז דער אַפּאַראַט'ס מאַכט קנעפּל איז אין דער אויסגעלאָשן פּאָזיציע.
  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. אַודיאָ קאַנעקשאַנז

  1. אַרייַנשרייַב מקורים: 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. אויסגאבעס: 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. אַנטענע קאַנעקשאַנז

  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. אַפּערייטינג ינסטרוקטיאָנס

7.1. פּאָווערינג אויף / אויסגעלאשן

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. דרוק די מקור button until 'USB' or 'SD' is displayed.
  3. די איינהייט וועט אויטאמאטיש אנהייבן שפילן קאמפאטיבלע אודיא files.
  4. ניצן די SEQ buttons (Play/Pause, Next/Previous) to control playback.
  5. דרוק די מאָדע button to cycle through playback modes (e.g., repeat one, repeat all, random).

7.3. בלועטאָאָטה אָפּעראַציע

  1. דרוק די מקור 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. עפעם ראַדיאָ

  1. דרוק די מקור קנעפל ביז 'FM' ווערט געוויזן.
  2. ניצן די 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. מיקראָפאָן אַרייַנשרייַב

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

7.6. Mixer Functions

  1. צופּאַסן דעם יחיד LEVEL knobs for Line 1, Line 2, and the media player to balance the input sources.
  2. ניצן די בעל קסנומקס און MASTER 2 Level knobs to control the overall output volume.
  3. די MASTER EQ (High/Low) allows for overall tone adjustment of the main mix.
  4. פאַרבינדן כעדפאָונז צו די פאָנעס jack and adjust the CUE Volume פֿאַר מאָניטאָרינג.

7.7. Remote Control (IRC-A)

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

פראָנט view of the IRC-A remote control for the B4.2 Mediamix, showing media playback, FM presets, and volume controls.

פיגורע 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.
  • SOURCE קנעפּל: גייט דורך ציקלען דורך אינפוט קוועלער.
  • VOLUME Up/Down: אַדזשאַסטירט די הויפּט אַרויסגאַנג באַנד.

8. וישאַלט

  • רייניקונג: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
  • ווענטילאַטיאָן: Ensure that the ventilation openings are free from dust and debris to maintain proper airflow.
  • סטאָרידזש: אויב איר לייגט דאָס אַפּאַראַט אַוועק פֿאַר אַ לענגערע צייט, זאָלט איר עס אָפּשטעקן פֿון עלעקטריע און עס אַוועקלייגן אין אַ קיל, טרוקן אָרט, אַוועק פֿון דירעקטער זון און עקסטרעמע טעמפּעראַטורן.

9. טראָובלעשאָאָטינג גייד

  • קיין מאַכט:
    • Check if the power cable is securely connected to the unit and the power outlet.
    • מאַכן זיכער אַז די מאַכט ווענטיל איז פאַנגקשאַנאַל.
    • Verify the power switch on the front panel is in the ON position.
  • קיין סאָונד רעזולטאַט:
    • Check all audio cable connections to and from the unit.
    • Ensure the correct input source is selected using the מקור קנעפּל.
    • באַשטעטיקן אַז די מאַסטער מדרגה knobs are turned up.
    • Check the volume levels on your connected ampליפיער אָדער פּאַוערד ספּיקערז.
    • If using a microphone, ensure its מדרגה דער קנעפּל איז ארויפגעדרייט.
  • בלועטאָאָטה ניט קאַנעקטינג:
    • 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.
    • פּרוּווט אָפּצופּאַרן און ווידער צופּאַרן דעם דעווייס.
  • USB/SD Media Not Playing:
    • Ensure the USB drive or SD card is inserted correctly.
    • באַשטעטיקן אַז די 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. טעכניש ספּעסאַפאַקיישאַנז

  • מאָדעל: B4.2 Mediamix
  • סאָרט: JBSYSTEMS
  • פּראָדוקט דימענשאַנז: 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.)
  • Manufacturer Reference: 001BE/8400
  • מאַכט מקור: קאָרדעד עלעקטריק
  • Voltage: 230 וואלט
  • קאַנעקטיוויטי טעכנאָלאָגיע: בלועטאָאָטה
  • ערשטער פאַראַנען דאַטע: 15 יאנואר 2020

11. וואָראַנטי און שטיצן

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.

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