1. 서론
This manual provides essential information for the safe and efficient operation of your LD Systems Road LDRJ8 Portable PA System. Please read this manual thoroughly before using the device to ensure proper setup, operation, and maintenance. Keep this manual for future reference.
The LD Systems Road LDRJ8 is an 8-channel portable PA system designed for versatile audio applications. It features battery-powered operation for mobility and offers multiple connectivity options including XLR, Speakon, Auxiliary, and USB. The system is equipped with a 15-inch Faital Pro neodymium woofer and a 1.4-inch BMS compression driver, delivering a powerful 1400 Watts output. Advanced features include a 1ms predictive peak limiter for distortion-free sound, state-of-the-art analog/digital converters, and an 80-degree x 50-degree rotatable asymmetrical horn flare. Its robust steel construction and integrated wheels make it suitable for various portable sound reinforcement needs.
그림 1: 전면 view of the LD Systems Road LDRJ8 Portable PA System with its retractable handle extended, showcasing the main speaker grille and control panel.
2. 안전 지침
- 전원: Connect the device only to the specified voltage와 주파수를 확인하십시오. 전원 코드가 손상되지 않았는지 확인하십시오.
- 통풍: 환기구를 막지 마십시오. 과열을 방지하기 위해 장치 주변에 충분한 공기 흐름을 확보하십시오.
- 수분: Do not expose the device to rain or moisture. Avoid placing liquid-filled objects on the unit.
- 청소: Disconnect from power before cleaning. Use a dry cloth. Do not use liquid cleaners or aerosols.
- 서비스: 모든 정비는 자격을 갖춘 서비스 담당자에게 맡기십시오. 직접 수리하려고 하지 마십시오.
- 놓기: 기기를 안정적이고 평평한 곳에 놓으세요. 극한의 온도, 직사광선, 강한 진동은 피하세요.
- 배터리 안전: The unit is battery-powered. Follow all instructions regarding battery charging and usage. Do not expose batteries to excessive heat.
Figure 2: Rear panel of the LD Systems Road LDRJ8, showing the power input, fuse compartment, voltage selector, and the "SOUNDSYSTEM BATTERY LEVEL" indicator with three LEDs.
3. 패키지 내용
Please check the package contents immediately after unpacking to ensure all components are present and undamaged.
- 1 x LD Systems Road LDRJ8 Portable PA System
- 1 x 전원 케이블
- 1 x 사용자 매뉴얼(이 문서)
메모: If any components are missing or damaged, please contact your dealer immediately.
4. 제품 오버view
4.1. 제어판
그림 3: 상세 view of the LDRJ8 control panel, featuring input channels (CH 1, CH 2, CH 3/AUX), level controls, EQ (LOW, HIGH), ECHO, MASTER VOL, MP3 player controls, and a display screen.
- CH 1 Input: XLR/TRS combo jack for microphone or line-level sources.
- CH 1 Level: Adjusts the input level for Channel 1.
- CH 2 Input: TRS/TS jack for instrument or line-level sources.
- CH 2 Level: Adjusts the input level for Channel 2.
- CH 3 / AUX Input: 외부 오디오 장치용 RCA 스테레오 입력 단자.
- CH 3 / AUX Level: Adjusts the input level for Channel 3 / AUX.
- 낮은 EQ: Bass frequency adjustment.
- 높은 EQ: Treble frequency adjustment.
- 에코: Controls the echo effect level.
- 마스터 볼륨: 시스템 전체 볼륨 조절 기능입니다.
- 힘: 전원 표시등 LED.
- MP3 플레이어 섹션:
- 표시하다: Shows track information and settings.
- 오시는 길 : Switches between MP3, AUX, Bluetooth, and SD card modes.
- USB 입력 : 미디어 재생용 USB 포트.
- SD 카드 슬롯: SD 카드 미디어 재생용입니다.
- 재생 컨트롤: Play/Pause, Stop, Previous/Next Track.
4.2. 후면 패널
Figure 4: Rear panel of the LDRJ8, detailing the power switch, AC input, fuse, voltage selector, and battery level indicators.
- 끄기/켜기 스위치: 장치의 주 전원 스위치입니다.
- 충전 표시등: 배터리 충전 상태를 나타내는 LED.
- AC 입력: 전원 케이블용 커넥터입니다.
- 퓨즈: 퓨즈 홀더.
- 권TAGE Selector: 115V와 230V 작동 중 하나를 선택하려면 스위치를 사용하세요.
- SOUNDSYSTEM BATTERY LEVEL: LED indicators for battery charge status (LOW, 1, 2, 3).
4.3. 휴대성 특징
그림 5: 측면 view of the LDRJ8, illustrating the retractable handle fully extended and the integrated wheels for easy transport.
Figure 6: Close-up of one of the durable wheels and a metal corner protector, highlighting the robust construction designed for portability.
The LDRJ8 is designed for easy transport with integrated wheels and a retractable handle, similar to luggage. This allows for convenient movement of the system to various locations.
5. 설정
5.1. 초기 전원 켜기 및 충전
- Ensure the unit's power switch (OFF/ON) on the rear panel is in the 끄다 위치.
- Verify the VOLTAGE selector on the rear panel matches your local power supply (115V or 230V).
- Connect the supplied power cable to the AC Input on the rear panel and then to a suitable power outlet.
- 그만큼 요금 indicator LED will illuminate, indicating the battery is charging. Allow sufficient time for a full charge before initial battery-powered use.
5.2. 오디오 소스 연결
- 마이크/악기: Connect microphones to CH 1 (XLR) and instruments to CH 2 (TRS/TS). Adjust the respective LEVEL knobs.
- External Audio Devices (e.g., CD Player, Mixer): Connect to CH 3 / AUX using RCA cables. Adjust the CH 3 / AUX LEVEL knob.
- USB/SD 카드: Insert a USB drive into the USB IN port or an SD card into the SD Card Slot for media playback.
- 블루투스: Refer to the "Operating" section for Bluetooth pairing instructions.
6. Operating the PA System
6.1. 기본 동작
- After connecting your audio sources, switch the unit's power to ON. The POWER LED will illuminate.
- Slowly increase the MASTER VOL to a desired listening level.
- Adjust individual channel LEVEL knobs for a balanced mix.
- Use the LOW and HIGH EQ knobs to adjust the bass and treble frequencies of the overall mix.
- Apply ECHO effect as desired using the ECHO knob.
6.2. MP3 Player / Bluetooth Operation
- 를 누르세요 방법 button to cycle through available input modes: MP3 (USB/SD), AUX, Bluetooth.
- USB/SD 재생:
- MP3가 포함된 USB 드라이브 또는 SD 카드 삽입 files.
- Select MP3 mode. The display will show track information.
- Use the Play/Pause, Stop, Previous/Next Track buttons to control playback.
- 블루투스 페어링 :
- Select Bluetooth mode. The display will indicate "BT" or "Pairing".
- 스마트폰이나 태블릿에서 블루투스를 활성화하고 사용 가능한 장치를 검색하세요.
- Select "LD Systems LDRJ8" (or similar) from the list to pair.
- Once paired, you can stream audio wirelessly to the PA system.
7. 유지관리
- 청소: 제품 외부를 닦을 때는 부드럽고 마른 천을 사용하십시오. 연마성 세제, 용제 또는 왁스를 사용하지 마십시오.
- 저장: 장기간 사용하지 않을 경우, 직사광선과 극한 온도 변화를 피해 건조하고 서늘한 곳에 보관하십시오.
- 배터리 관리 : For optimal battery life, avoid fully discharging the battery frequently. Recharge the battery regularly, even if the unit is not in use, to maintain its capacity.
- 퓨즈 교체: If the unit does not power on, check the fuse on the rear panel. Replace it only with a fuse of the identical type and rating (e.g., T 1 AL / 250V or T 500mA L / 250V).
8. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 전원이 없습니다 |
|
|
| 사운드 출력이 없습니다 |
|
|
| 블루투스가 페어링되지 않습니다 |
|
|
| 왜곡된 소리 |
|
|
9. 사양
| 특징 | 세부 사항 |
|---|---|
| 모델 | LDRJ8 |
| 상표 | LD 시스템 |
| 장착 유형 | 플로어 스탠딩 |
| 전원 | 배터리 구동 |
| 커넥터 유형 | XLR, Speakon, Auxiliary, USB |
| 재료 | 강철 |
| 품목 무게 | 30파운드(약 13.6kg) |
| 채널 수 | 8 |
| 오디오 입력 | Various audio input devices |
| 출력 와트tage | 1400와트(RMS) |
| 우퍼 | 15-inch Faital Pro neodymium |
| 압축 드라이버 | 1.4-inch BMS |
| 분산 | 80 Degree x 50 Degree (rotatable asymmetrical horn flare) |
| 치수(길이 x 너비 x 높이) | 11 x 15 x 17인치(약 27.9 x 38.1 x 43.2cm) |
| 연결 기술 | Various (including Bluetooth) |
| 호환 장치 | Smartphone, Tablet, Microphones, Instruments |
| 특별 기능 | 1ms predictive peak limiter, State-of-the-art analog/digital converters |
10. 보증 정보
Specific warranty details for the LD Systems Road LDRJ8 Portable PA System are typically provided at the point of purchase or within separate documentation included with the product. Please refer to your purchase receipt or the official LD Systems web가장 정확하고 최신의 보증 약관 및 조건을 확인하려면 사이트를 방문하세요.
Generally, warranties cover manufacturing defects under normal use. Damage resulting from misuse, accidents, unauthorized modifications, or improper maintenance is usually not covered. Keep your proof of purchase for any warranty claims.
11. 지원
For technical support, service, or further inquiries regarding your LD Systems Road LDRJ8 Portable PA System, please contact your authorized LD Systems dealer or visit the official LD Systems web대지.
- 온라인 리소스: www.ld-systems.com
- 대리점 연락처: Refer to your purchase documentation for local dealer contact information.