JB-systems B4.2 Mediamix 미디어 플레이어/믹서 사용 설명서

1. 서론

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. 중요 안전 지침

• 전원 공급 장치: 장치가 지정된 볼륨 내에서 전원 공급 장치에 연결되어 있는지 확인하십시오.tage range (230 Volt AC). Always use the provided power cable.
• 통풍: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions to prevent overheating.
• 물과 습기: Do not expose this apparatus to rain or moisture. Do not use near water or in damp 환경.
• 청소: 마른 천으로만 닦으십시오. 청소하기 전에 전원을 차단하십시오.
• 서비스: 본 제품을 직접 수리하려고 시도하지 마십시오. 모든 수리는 자격을 갖춘 서비스 담당자에게 맡기십시오. 제품을 열면 위험한 전압에 노출될 수 있습니다.tages 또는 기타 위험 요소.
• 놓기: 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. 패키지 내용

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 전원 케이블
• FM 안테나
• 블루투스 안테나
• Remote Control (IRC-A)
• Terminal Blocks (for Emergency Input and External Mute)

그림 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. 전면 패널 제어 및 연결

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

그림 4.1: 앞쪽 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): 여기에 마이크를 연결하세요.
• MIC 레벨: 마이크의 입력 레벨을 조절합니다.
• 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.
• 표시하다: Shows current mode, track information, FM frequency, or Bluetooth status.
• 소스 버튼: Selects input source (USB, SD, FM, Bluetooth, Line 1, Line 2).
• MODE 버튼: 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: 헤드폰 출력의 볼륨을 조절합니다.
• PHONES (1/4" Jack): 모니터링용 헤드폰 출력 단자가 있습니다.
• 전원 LED : 기기의 전원 상태를 나타냅니다.
• LEVEL Meters: Visual indication of output signal levels.

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

그림 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.

그림 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. 후면 패널 연결

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

그림 5.1: 뒤쪽 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 전원 입력: Power connection for the unit.
• MASTER 1/2 Outputs (Balanced XLR & Unbalanced RCA): Main audio outputs to connect to amplifiers 또는 전원 스피커.
• 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.
• 마이크 입력(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. 설정 및 설치

6.1. 랙 마운팅

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. 전원 연결

1. 장치의 전원 스위치가 OFF 위치에 있는지 확인하세요.
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. 오디오 연결

1. 입력 소스: 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. 출력: 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. 안테나 연결

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. 사용 설명서

7.1. 전원 켜기 / 끄기

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. 를 누르세요 원천 button until 'USB' or 'SD' is displayed.
3. 기기는 호환되는 오디오를 자동으로 재생하기 시작합니다. files.
4. 사용하세요 순서 buttons (Play/Pause, Next/Previous) to control playback.
5. 를 누르세요 방법 button to cycle through playback modes (e.g., repeat one, repeat all, random).

7.3. 블루투스 작동

1. 를 누르세요 원천 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 라디오

1. 를 누르세요 원천 'FM'이 표시될 때까지 버튼을 누르세요.
2. 사용하세요 순서 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. 마이크 입력

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

7.6. Mixer Functions

1. 개인을 조정하세요 수준 knobs for Line 1, Line 2, and the media player to balance the input sources.
2. 사용하세요 마스터 1 그리고 MASTER 2 Level knobs to control the overall output volume.
3. 그만큼 마스터 EQ (High/Low) allows for overall tone adjustment of the main mix.
4. 헤드폰을 연결하십시오 전화 jack and adjust the CUE Volume 모니터링을 위해.

7.7. Remote Control (IRC-A)

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

그림 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.
• 소스 버튼: 입력 소스를 순환합니다.
• VOLUME Up/Down: 마스터 출력 볼륨을 조절합니다.

8. 유지관리

• 청소: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
• 통풍: Ensure that the ventilation openings are free from dust and debris to maintain proper airflow.
• 저장: 장기간 보관할 경우 전원을 차단하고 직사광선과 극한 온도 변화를 피해 서늘하고 건조한 곳에 보관하십시오.

9. 문제 해결 가이드

• 전원 없음:
  • Check if the power cable is securely connected to the unit and the power outlet.
  • 전원 콘센트가 작동하는지 확인하세요.
  • Verify the power switch on the front panel is in the ON position.
• 사운드 출력 없음:
  • Check all audio cable connections to and from the unit.
  • Ensure the correct input source is selected using the 원천 단추.
  • 확인해주세요 마스터 레벨 knobs are turned up.
  • Check the volume levels on your connected amp전원 공급기 또는 전원 스피커.
  • If using a microphone, ensure its 수준 손잡이가 위로 올라갔습니다.
• 블루투스가 연결되지 않음:
  • 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.
  • 기기의 페어링을 해제한 후 다시 페어링해 보세요.
• USB/SD Media Not Playing:
  • USB 드라이브나 SD 카드가 올바르게 삽입되었는지 확인하세요.
  • 확인해주세요 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. 기술 사양

• 모델: B4.2 Mediamix
• 상표: 제이비시스템즈
• 제품 크기: 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.)
• 제조업체 참조: 001BE/8400
• 전원: 코드식 전기
• 권tage: 230볼트
• 연결 기술 : 블루투스
• 첫 번째 가능한 날짜: 15년 2020월 XNUMX일

11. 보증 및 지원

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.