JB-systems B4.2 Mediamix Media Player/Mixer පරිශීලක අත්පොත

1. හැඳින්වීම

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. වැදගත් ආරක්ෂක උපදෙස්

• බල සැපයුම: නිශ්චිත පරිමාව තුළ ඒකකය බල සැපයුමකට සම්බන්ධ කර ඇති බවට වග බලා ගන්න.tage range (230 Volt AC). Always use the provided power cable.
• වාතාශ්රය: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions to prevent overheating.
• ජලය සහ තෙතමනය: Do not expose this apparatus to rain or moisture. Do not use near water or in damp පරිසරයන්.
• පිරිසිදු කිරීම: Clean only with a dry cloth. Disconnect from power before cleaning.
• සේවා: මෙම ඒකකයට ඔබම සේවා සැපයීමට උත්සාහ නොකරන්න. සියලුම සේවා සුදුසුකම් ලත් සේවා නිලධාරීන් වෙත යොමු කරන්න. ඒකකය විවෘත කිරීමෙන් ඔබට අනතුරුදායක වෝල්ටීයතාවයකට නිරාවරණය විය හැකිය.tages හෝ වෙනත් උවදුරු.
• ස්ථානගත කිරීම: 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. පැකේජ අන්තර්ගතය

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 බල කේබලය
• FM ඇන්ටනාව
• බ්ලූටූත් ඇන්ටනාව
• Remote Control (IRC-A)
• Terminal Blocks (for Emergency Input and External Mute)

රූපය 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.

රූපය 4.1: ඉදිරිපස 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 ආදානය (1/4" ජැක්): Connect a microphone here.
• MIC මට්ටම: 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.
• සංදර්ශකය: Shows current mode, track information, FM frequency, or Bluetooth status.
• මූලාශ්‍ර බොත්තම: Selects input source (USB, SD, FM, Bluetooth, Line 1, Line 2).
• මාදිලි බොත්තම: 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: හෙඩ්ෆෝන් ප්‍රතිදානය සඳහා ශබ්දය සීරුමාරු කරයි.
• PHONES (1/4" Jack): Headphone output for monitoring.
• පවර් LED: Indicates the unit's power status.
• මට්ටමේ මීටර: Visual indication of output signal levels.

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

රූපය 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.

රූපය 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. පසුපස පැනල් සම්බන්ධතා

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

රූපය 5.1: පසුපස 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 ampජීවිතාරක්ෂක හෝ බලැති කථිකයන්.
• 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 ආදානය (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: සපයන ලද FM ඇන්ටනාව සම්බන්ධ කිරීම සඳහා.
• BLUETOOTH ANTENNA Connector: For connecting the supplied Bluetooth antenna.

6. පිහිටුවීම සහ ස්ථාපනය

6.1 රාක්ක සවි කිරීම

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. බල සම්බන්ධතාවය

1. ඒකකයේ බල ස්විචය අක්‍රිය ස්ථානයේ ඇති බව සහතික කර ගන්න.
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. ශ්‍රව්‍ය සම්බන්ධතා

1. ආදාන මූලාශ්‍ර: 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. නිමැවුම්: 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. මෙහෙයුම් උපදෙස්

7.1. බල ගැන්වීම / අක්රිය කිරීම

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. ඔබන්න මූලාශ්රය button until 'USB' or 'SD' is displayed.
3. ඒකකය ස්වයංක්‍රීයව අනුකූල ශ්‍රව්‍ය වාදනය කිරීම ආරම්භ කරයි files.
4. භාවිතා කරන්න SEQ buttons (Play/Pause, Next/Previous) to control playback.
5. ඔබන්න මාදිලිය button to cycle through playback modes (e.g., repeat one, repeat all, random).

7.3. බ්ලූටූත් මෙහෙයුම

1. ඔබන්න මූලාශ්රය 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. එෆ්එම් රේඩියෝව

1. ඔබන්න මූලාශ්රය 'FM' දර්ශනය වන තුරු බොත්තම ඔබාගෙන සිටින්න.
2. භාවිතා කරන්න 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. මයික්රොෆෝන ආදානය

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

7.6. Mixer Functions

1. පුද්ගලයා සකස් කරන්න මට්ටම knobs for Line 1, Line 2, and the media player to balance the input sources.
2. භාවිතා කරන්න මාස්ටර් 1 සහ MASTER 2 Level knobs to control the overall output volume.
3. ද මාස්ටර් EQ (High/Low) allows for overall tone adjustment of the main mix.
4. වෙත හෙඩ්ෆෝන් සම්බන්ධ කරන්න දුරකථන jack and adjust the CUE Volume අධීක්ෂණය සඳහා.

7.7. Remote Control (IRC-A)

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

රූපය 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.
• මූලාශ්‍ර බොත්තම: ආදාන මූලාශ්‍ර හරහා චක්‍රීය වේ.
• VOLUME Up/Down: ප්‍රධාන ප්‍රතිදාන පරිමාව සකසයි.

8. නඩත්තු කිරීම

• පිරිසිදු කිරීම: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
• වාතාශ්රය: Ensure that the ventilation openings are free from dust and debris to maintain proper airflow.
• ගබඩා: ඒකකය දිගු කාලයක් ගබඩා කරන්නේ නම්, එය විදුලියෙන් විසන්ධි කර සෘජු හිරු එළියෙන් සහ අධික උෂ්ණත්වයන්ගෙන් ඈත්ව සිසිල් වියළි ස්ථානයක ගබඩා කරන්න.

9. දෝශ නිරාකරණ මාර්ගෝපදේශය

• බලය නැත:
  • Check if the power cable is securely connected to the unit and the power outlet.
  • බලාගාරය ක්‍රියාකාරී බව සහතික කර ගන්න.
  • Verify the power switch on the front panel is in the ON position.
• ශබ්ද ප්‍රතිදානය නැත:
  • Check all audio cable connections to and from the unit.
  • Ensure the correct input source is selected using the මූලාශ්රය බොත්තම.
  • බව තහවුරු කරන්න මාස්ටර් මට්ටම බොත්තම් ඉහළට හරවා ඇත.
  • Check the volume levels on your connected ampලයිෆයර් හෝ බලැති ස්පීකර්.
  • If using a microphone, ensure its මට්ටම knob is turned up.
• බ්ලූටූත් සම්බන්ධ නොවේ:
  • 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.
  • උපාංගය යුගලනය ඉවත් කර නැවත යුගල කිරීමට උත්සාහ කරන්න.
• USB/SD Media Not Playing:
  • Ensure the USB drive or SD card is inserted correctly.
  • බව තහවුරු කරන්න 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. තාක්ෂණික පිරිවිතර

• ආකෘතිය: B4.2 Mediamix
• වෙළඳ නාමය: JBSystems
• නිෂ්පාදන මානයන්: 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.)
• නිෂ්පාදක යොමුව: 001BE/8400
• බලශක්ති ප්රභවය: රැහැන්ගත විදුලි
• වෙළුමtage: වෝල්ට් 230
• සම්බන්ධතා තාක්ෂණය: බ්ලූටූත්
• මුලින්ම ලබා ගත හැකි දිනය: 15 ජනවාරි 2020

11. වගකීම් සහ සහාය

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.