మాన్యువల్లు+

JBSYSTEMS B4.2

JB-సిస్టమ్స్ B4.2 మీడియామిక్స్ మీడియా ప్లేయర్/మిక్సర్ యూజర్ మాన్యువల్

Model: B4.2 | Brand: JBSYSTEMS

1. పరిచయం

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. ముఖ్యమైన భద్రతా సూచనలు

  • విద్యుత్ సరఫరా: Ensure the unit is connected to a power supply within the specified voltage range (230 Volt AC). Always use the provided power cable.
  • వెంటిలేషన్: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions to prevent overheating.
  • నీరు మరియు తేమ: ఈ ఉపకరణాన్ని వర్షం లేదా తేమకు గురిచేయవద్దు. నీటి దగ్గర లేదా నీటి లోపల ఉపయోగించవద్దు.amp పరిసరాలు.
  • శుభ్రపరచడం: పొడి గుడ్డతో మాత్రమే శుభ్రం చేయండి. శుభ్రం చేసే ముందు పవర్ నుండి డిస్‌కనెక్ట్ చేయండి.
  • సర్వీసింగ్: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel. Opening the unit may expose you to dangerous voltages లేదా ఇతర ప్రమాదాలు.
  • ప్లేస్‌మెంట్: 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. ప్యాకేజీ విషయాలు

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
  • ఎసి పవర్ కేబుల్
  • FM యాంటెన్నా
  • బ్లూటూత్ యాంటెన్నా
  • 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.

మూర్తి 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.

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

మూర్తి 4.1: ముందు 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.
  • 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.
  • ప్రదర్శన: Shows current mode, track information, FM frequency, or Bluetooth status.
  • మూలాధార బటన్: Selects input source (USB, SD, FM, Bluetooth, Line 1, Line 2).
  • మోడ్ బటన్: 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: హెడ్‌ఫోన్ అవుట్‌పుట్ కోసం వాల్యూమ్‌ను సర్దుబాటు చేస్తుంది.
  • ఫోన్లు (1/4" జాక్): Headphone output for monitoring.
  • పవర్ LED: 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.

మూర్తి 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.

మూర్తి 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.

మూర్తి 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. వెనుక ప్యానెల్ కనెక్షన్లు

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

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

మూర్తి 5.1: వెనుక 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 ampలైఫ్‌లు లేదా పవర్డ్ స్పీకర్‌లు.
  • 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 ఇన్‌పుట్ (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. సెటప్ మరియు ఇన్‌స్టాలేషన్

6.1. ర్యాక్ మౌంటు

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. పవర్ కనెక్షన్

  1. యూనిట్ పవర్ స్విచ్ ఆఫ్ స్థానంలో ఉందని నిర్ధారించుకోండి.
  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. ఆడియో కనెక్షన్లు

  1. ఇన్‌పుట్ మూలాధారాలు: 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. అవుట్‌పుట్‌లు: 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. యాంటెన్నా కనెక్షన్లు

  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. ఆపరేటింగ్ సూచనలు

7.1. పవర్ చేయడం ఆన్/ఆఫ్

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. నొక్కండి మూలం button until 'USB' or 'SD' is displayed.
  3. యూనిట్ స్వయంచాలకంగా అనుకూల ఆడియోను ప్లే చేయడం ప్రారంభిస్తుంది files.
  4. ఉపయోగించండి SEQ buttons (Play/Pause, Next/Previous) to control playback.
  5. నొక్కండి మోడ్ button to cycle through playback modes (e.g., repeat one, repeat all, random).

7.3. బ్లూటూత్ ఆపరేషన్

  1. నొక్కండి మూలం 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 రేడియో

  1. నొక్కండి మూలం button until 'FM' is displayed.
  2. ఉపయోగించండి 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. మైక్రోఫోన్ ఇన్‌పుట్

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

7.6. Mixer Functions

  1. Adjust the individual స్థాయి knobs for Line 1, Line 2, and the media player to balance the input sources.
  2. ఉపయోగించండి మాస్టర్ 1 మరియు MASTER 2 Level knobs to control the overall output volume.
  3. ది మాస్టర్ EQ (High/Low) allows for overall tone adjustment of the main mix.
  4. హెడ్‌ఫోన్‌లను దీనికి కనెక్ట్ చేయండి ఫోన్లు jack and adjust the CUE Volume పర్యవేక్షణ కోసం.

7.7. Remote Control (IRC-A)

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

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

మూర్తి 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.
  • మూలాధార బటన్: ఇన్‌పుట్ మూలాల ద్వారా తిరుగుతుంది.
  • VOLUME Up/Down: మాస్టర్ అవుట్‌పుట్ వాల్యూమ్‌ను సర్దుబాటు చేస్తుంది.

8. నిర్వహణ

  • శుభ్రపరచడం: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
  • వెంటిలేషన్: Ensure that the ventilation openings are free from dust and debris to maintain proper airflow.
  • నిల్వ: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place, away from direct sunlight and extreme temperatures.

9. ట్రబుల్షూటింగ్ గైడ్

  • శక్తి లేదు:
    • Check if the power cable is securely connected to the unit and the power outlet.
    • పవర్ అవుట్‌లెట్ పని చేస్తుందని నిర్ధారించుకోండి.
    • Verify the power switch on the front panel is in the ON position.
  • సౌండ్ అవుట్‌పుట్ లేదు:
    • Check all audio cable connections to and from the unit.
    • Ensure the correct input source is selected using the మూలం బటన్.
    • అని ధృవీకరించండి మాస్టర్ స్థాయి knobs are turned up.
    • Check the volume levels on your connected ampలైఫైయర్ లేదా పవర్డ్ స్పీకర్లు.
    • If using a microphone, ensure its స్థాయి నాబ్ పైకి తిప్పబడింది.
  • బ్లూటూత్ కనెక్ట్ కావడం లేదు:
    • 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.
    • పరికరాన్ని అన్‌పెయిర్ చేసి, తిరిగి పెయిర్ చేయడానికి ప్రయత్నించండి.
  • USB/SD Media Not Playing:
    • Ensure the USB drive or SD card is inserted correctly.
    • అని ధృవీకరించండి 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. సాంకేతిక లక్షణాలు

  • మోడల్: B4.2 Mediamix
  • బ్రాండ్: JBSSTEMS
  • ఉత్పత్తి కొలతలు: 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.)
  • తయారీదారు సూచన: 001BE/8400
  • శక్తి మూలం: కార్డెడ్ ఎలక్ట్రిక్
  • వాల్యూమ్tage: 230 వోల్ట్
  • కనెక్టివిటీ టెక్నాలజీ: బ్లూటూత్
  • మొదట అందుబాటులో ఉన్న తేదీ: జనవరి 15, 2020

11. వారంటీ మరియు మద్దతు

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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