1. 서론
Thank you for choosing the QODOSEN DX-286 Portable Shortwave Radio. This ultra-high sensitivity, full-band radio is designed to provide exceptional reception across AM, FM, LW, and SW bands, powered by the advanced TEF6686 chip. Its compact and lightweight design makes it ideal for use in various settings, including kitchens, desks, bedrooms, offices, and outdoors. This manual provides detailed instructions to help you set up, operate, and maintain your DX-286 radio for optimal performance.
Figure 1.1: QODOSEN DX-286 Portable Shortwave Radio
2. 제품 오버view
2.1 주요 특징
- 휴대성 있는 디자인: Compact dimensions (5.27"W x 2.99"H x 1.18"D) and lightweight (7.1 ounces) for easy portability.
- 풀 밴드 수신: Supports FM stereo, LW, MW, and SW bands.
- 높은 감도: Equipped with DSP TEF6686 radio chip for enhanced receiving sensitivity and excellent selectivity.
- 메모리 저장: Up to 1000 memory storage stations with Band ATS (Auto Tuning Storage).
- 편의 기능: Includes sleep timer, alarm clock, and Universal time display.
- External Antenna Interface: Allows connection of an external antenna for improved signal reception.
- 명확한 전시: Backlit LCD screen for easy view특히 밤에요.
- 충전식 배터리: Powered by a long-lasting 18650 rechargeable battery.
- 오디오 품질 : High-quality materials and components ensure good audio performance for both vocals and music.
2.2 구성 요소 및 제어
Figure 2.1: Front Panel Features and Functions
The DX-286 radio features a user-friendly interface with clearly labeled buttons and a multi-function knob. Key components include:
- 텔레스코픽 안테나: Extends for optimal FM, LW, MW, and SW reception.
- LCD 디스플레이: Shows frequency, time, alarm status, and other operational information.
- 키패드 : Numeric buttons for direct frequency input and function selection.
- 다기능 노브: Used for tuning, step setting, squelch adjustment, and fast adjustment.
- 볼륨 조절: Slider on the side for adjusting audio output.
- 헤드폰 소켓: 개인적으로 듣기 위한 것입니다.
- USB 충전 포트 : For charging the internal 18650 battery.
- External Antenna Interface (ANT.): 3.5mm jack for connecting an external antenna.
- 시스템 초기화 버튼: Small pinhole button for resetting the device.
- 접이식 킥스탠드: Located on the back for convenient upright placement.
- 배터리 칸: Houses the 18650 rechargeable battery.
Figure 2.2: Internal Components and Design
Figure 2.3: Rechargeable Detachable Battery
Video 2.1: DX-286 Radio Commodity Overview and Operation Mode. This video provides a visual guide to the radio's features and basic operation.
3. 설정
3.1 배터리 설치
- 라디오 뒷면에서 배터리 덮개를 찾으세요.
- 덮개를 밀어 엽니다.
- Insert the provided 18650 rechargeable battery, ensuring correct polarity (+ and - ends match the markings inside the compartment).
- 배터리 덮개를 단단히 닫으세요.
Figure 3.1: Antenna Switching for Optimal Reception
3.2 초기 충전
Before first use, it is recommended to fully charge the battery. Connect the supplied USB charging cable to the radio's USB port and a compatible USB power adapter (not included). The charging indicator on the display will show the charging status.
3.3 안테나 확장
For optimal reception, especially for FM and SW bands, fully extend the telescopic antenna. For LW and MW bands, the internal ferrite rod antenna is primarily used, but extending the telescopic antenna can still improve reception in some cases.
Figure 3.2: Frequency Ranges and Tuning Steps
4. 사용 설명서
4.1 전원 켜기/끄기
를 누르세요 힘 라디오를 켜거나 끄는 버튼입니다.
4.2 밴드 선택
를 누르세요 FM, AM, 또는 SW buttons to switch between frequency bands. The LW band is typically accessed within the AM band range or through specific settings.
4.3 튜닝 방법
The DX-286 offers several tuning methods:
- 수동 조정 : Rotate the multi-function knob on the side to manually adjust the frequency.
- 직접 주파수 입력: Use the numeric keypad to enter the desired frequency directly, then press FM or AM 확인합니다.
- 자동 스캔(ATS): 를 누르고 계세요 자동차 버튼을 눌러 사용 가능한 방송국을 자동으로 스캔하고 저장합니다.
- 탐색 튜닝 : 를 누르세요 구하다 버튼을 눌러 자동으로 다음 강력한 방송국을 검색합니다.
4.4 Memory Storage and Recall
To store a station, tune to the desired frequency, then press and hold the 세트 button until the memory location flashes. Use the numeric keypad to select a memory slot, then press 세트 again to confirm. To recall a stored station, press the 페이지 button to navigate through memory pages, or directly enter the memory slot number.
4.5 시간 및 알람 설정
를 누르세요 시간 버튼을 view the current time. To set the time or alarm, refer to the detailed instructions in the included user's manual for specific button sequences.
4.6 Using External Antenna
Connect a compatible external antenna to the 개미. jack on the side of the radio. This can significantly improve reception, especially for distant or weak signals. 경고: Do not use the outdoor external antenna during thunderstorms to protect against lightning strikes!
Figure 4.1: External Antenna Interface
4.7 오디오 설정
- 용량: Adjust using the slider on the side.
- Tone (Music/Voice): 를 누르세요 M/TONE button to switch between music and voice tone modes for optimized audio output.
- 끽소리 못 하게 하는 말: Adjust the squelch level using the multi-function knob in squelch setting mode to reduce background noise.
- 무음: 를 누르세요 음소거 button for instant audio muting.
Figure 4.2: Music/Voice Tone Function
5. 유지관리
Proper maintenance ensures the longevity and performance of your DX-286 radio.
- 청소: 부드럽고 마른 천을 사용하여 라디오 외부를 청소하십시오. 연마성 세제나 용제를 사용하지 마십시오.
- 배터리 관리 : If the radio will not be used for an extended period, remove the 18650 battery to prevent leakage. Store the battery in a cool, dry place.
- 저장: Store the radio in a dry environment, away from extreme temperatures, dust, and direct sunlight.
- 안테나 관리: Handle the telescopic antenna gently to avoid bending or breaking. Retract it when not in use or when transporting the radio.
6. 문제 해결
If you encounter issues with your DX-286 radio, try the following troubleshooting steps:
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 전원이 안 들어옴/라디오가 켜지지 않음 | 배터리가 방전되었거나 잘못 설치되었습니다. | 배터리를 충전하거나 극성이 올바르게 설치되었는지 확인하십시오. |
| 수신 불량/잡음 | 안테나가 펼쳐지지 않았거나, 신호가 약하거나, 간섭이 발생하고 있습니다. | Fully extend the telescopic antenna. Try repositioning the radio. Connect an external antenna if available. |
| 디스플레이가 비어 있거나 멈췄습니다. | 시스템 오류. | Locate the small 'RESET' pinhole on the radio and gently press it with a thin object (e.g., paperclip) to reset the system. |
| 버튼이 반응하지 않습니다 | 키패드 잠금이 활성화되었습니다. | Check if the keypad lock function is enabled (refer to the user manual for specific lock/unlock instructions). |
7. 사양
- 제품 크기: 5.28 x 1.18 x 2.99인치(5.27인치 길이 x 1.18인치 너비 x 2.99인치 높이)
- 품목 무게: 7.1 온스
- 모델 번호: 디엑스-286
- 상표: QODOSEN
- 색상: 검은색
- 특징: 가지고 다닐 수 있는
- 연결 기술 : USB(충전용)
- 튜너 기술: AM/FM (DSP TEF6686 chip)
- 전원: Battery Powered (1 x 18650 rechargeable battery included)
- 지원되는 라디오 대역: 4-Band (FM/AM/LW/SW)
- FM 주파수 범위 : 64-108MHz (various regional settings available)
- AM 주파수 범위: 520-1710kHz
- SW 주파수 범위: 1711-27000 kHz에서
- LW 주파수 범위: 144-519kHz
- 포함된 구성 요소: 1 x DX-286 radio, 2 x Rechargeable Batteries, 1 x USB Charging Cable, 1 x Dedicated Fleece Bag, 1 x Carrying Case, 1 x User's Manual.
8. 보증 및 지원
The QODOSEN DX-286 radio comes with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions, including warranty period and coverage details. For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact QODOSEN customer service through the contact information provided on the product packaging or the official QODOSEN web해당 사이트에서 구매하세요. 보증을 위해 구매 영수증을 구매 증빙 자료로 보관하십시오.