Retevis H777D License-Free PMR446 Walkie Talkie User Manual

1. 서론

This manual provides essential information for the safe and efficient operation of your Retevis H777D PMR446 Walkie Talkie. The H777D is a license-free two-way radio designed for reliable communication in various environments, including family trips, camping, and cycling adventures. It features an enhanced LCD screen, flexible charging options, extended battery life, and user-friendly functions.

2. 상자 안에 무엇이 들어있나요?

• 3x Retevis H777D Walkie Talkies
• 1200mAh 리튬 이온 배터리 3개
• 충전 거치대 3개
• 3x Type-C Charging Cables
• 3x 벨트 클립
• 1x 사용자 설명서

Figure 2.1: Package Contents of the Retevis H777D Walkie Talkie.

3. 제품 특징

3.1. LCD 화면 인터페이스

The Retevis H777D features an enhanced LCD screen that displays crucial information such as signal strength, volume level, current channel, and battery status. This ensures you are always informed about your radio's operational status.

Figure 3.1: H777D LCD Screen Display.

3.2. Flexible Charging Options

The H777D walkie-talkies support both USB-C direct charging and charging via the included base. This dual charging capability ensures your devices are always ready for use, whether you're at home or in remote locations.

Figure 3.2: USB-C and Base Charging Methods.

3.3. 배터리 수명 연장

Equipped with an upgraded 1200mAh battery, the H777D offers over 19 hours of continuous use and more than 30 hours of standby time. This extended battery life is ideal for long family gatherings, camping trips, or full-day cycling adventures.

Figure 3.3: H777D Battery Performance.

3.4. 손쉬운 페어링

Pairing your H777D walkie-talkies is simple. Set the device to Channel 1, then press and hold the Up button while powering on to enter pairing mode. This allows for quick communication setup among family members, campers, or cycling groups.

Figure 3.4: H777D Easy Pairing Process.

3.5. VOX 기능(음성 교환)

Activate VOX mode by long-pressing Side Key 2. The portable walkie-talkie's screen interface will display its status. This feature provides hands-free communication, useful for activities where your hands are occupied, such as cycling or managing family activities.

Figure 3.5: VOX Hands-Free Communication.

3.6. Enhanced Visibility: Flashlight and Emergency Light

The portable walkie-talkies include a flashlight with an emergency light mode. Activate the emergency light by quickly pressing Side Key 2 twice. This allows easy switching between normal and emergency lighting, aiding navigation in the dark during camping trips or other low-light situations.

Figure 3.6: Flashlight and Emergency Light Function.

3.7. 비상 경보

Activate the emergency alarm by long-pressing Side Key 1. Deactivate it using the PTT (Push-to-Talk) button. This feature provides peace of mind in case of family emergencies, camping accidents, or cycling incidents.

Figure 3.7: Emergency Alarm Activation.

3.8. Adjustable Squelch Levels

Enjoy clear communication with the walkie-talkie's 1 to 9 level squelch control. This ensures you hear loud and clear, whether in a noisy family environment, a busy campsite, or a windy cycling trail.

Figure 3.8: Adjustable Squelch Levels.

3.9. Diverse and Secure Channels

With 50 CTCSS (Continuous Tone-Coded Squelch System) and 210 DCS (Digitally Coded Squelch) options, the H777D walkie-talkie offers a wide choice of channels. This enhances security and reduces interference, ensuring secure and reliable communication.

3.10. Compact and Lightweight Design

The H777D is designed to be compact and lightweight, making it easy to carry and handle during any activity. Its ergonomic design ensures comfortable use over extended periods.

그림 3.9: 컴팩트한 디자인.

4. 설정

4.1. 배터리 설치

1. 무전기의 전원이 꺼져 있는지 확인하세요.
2. 배터리를 라디오 뒷면의 배터리 칸에 맞춰 넣으세요.
3. 딸깍 소리가 날 때까지 배터리를 제자리에 부드럽게 밀어 넣습니다.

4.2. 배터리 충전

1. 충전 베이스 사용: Place the walkie-talkie into the charging base. Ensure the charging contacts align. The indicator light on the base will show charging status (e.g., red for charging, green for fully charged).
2. USB-C 케이블 사용: Connect the USB-C cable to the port on the side of the walkie-talkie and to a compatible USB power source.
3. 처음 사용하기 전에 배터리를 완전히 충전하십시오.

5. 사용 설명서

5.1. 전원 켜기/끄기

전원/볼륨 조절 손잡이를 시계 방향으로 돌리면 라디오가 켜집니다. 딸깍 소리가 날 때까지 시계 반대 방향으로 돌리면 라디오가 꺼집니다.

5.2. 볼륨 조절

전원/볼륨 조절 노브를 돌려 청취 볼륨을 조절하세요. 시계 방향으로 돌리면 볼륨이 커지고, 시계 반대 방향으로 돌리면 볼륨이 작아집니다.

5.3. 채널 선택

Use the Channel Selector knob on top of the radio to choose your desired channel (1-16). Ensure all radios in your group are on the same channel for communication.

5.4. 송신 및 수신

1. 송신하려면 무전기 측면의 PTT(푸시 투 토크) 버튼을 길게 누르세요. 마이크에 대고 또박또박 말하세요.
2. 수신하려면 PTT 버튼을 놓습니다.

5.5. VOX Activation

Long-press Side Key 2 to activate or deactivate the VOX function. When active, you can transmit by speaking into the microphone without pressing the PTT button.

5.6. 비상 경보 작동

Long-press Side Key 1 to activate the emergency alarm. Press the PTT button to deactivate it.

5.7. 손전등 작동

Short-press Side Key 2 once to turn the flashlight on/off. Quickly press Side Key 2 twice to activate the emergency light mode.

6. 유지관리

6.1. 일반 관리

• 라디오를 부드러운 천으로 닦으세요.amp 옷감. 강한 화학 물질이나 연마성 세제를 사용하지 마십시오.
• Keep the radio dry. Although it is water-repellent, prolonged exposure to water can cause damage.
• 극단적인 온도와 직사광선을 피하세요.

6.2. 배터리 관리

• 배터리 수명을 유지하려면 라디오를 사용하지 않을 때에도 정기적으로 배터리를 충전하십시오.
• 배터리를 과충전하거나 심하게 방전하지 마십시오.
• 장기간 라디오를 보관할 경우 배터리를 제거하세요.

7. 문제 해결

7.1. 힘이 없다

• 배터리가 올바르게 설치되고 충전되었는지 확인하세요.
• Ensure the Power/Volume knob is turned on.

7.2. 소리가 나지 않거나 소리가 작음

• 볼륨 노브를 조정합니다.
• 스퀠치 레벨이 너무 높게 설정되지 않았는지 확인하십시오.
• Check if the speaker is obstructed.

7.3. Short Communication Range

• 배터리가 완전히 충전되었는지 확인하십시오.
• Avoid obstructions like buildings, hills, or dense foliage.
• Ensure both radios are on the same channel and CTCSS/DCS codes (if used).

7.4. Unable to Communicate with Other Radios

• 모든 무전기의 채널이 동일하게 설정되어 있는지 확인하십시오.
• Confirm that all radios are using the same CTCSS/DCS codes.
• Check if the radios are within range.

8. 사양

9. 보증 및 지원

Retevis offers a 2-year warranty for the radio body and a 1-year warranty for accessories. We also provide a 30-day no-reason return policy. Beyond the warranty period, maintenance services are available, with buyers responsible for associated costs. For support, please contact us on Amazon, and we will respond within 12 hours.

10. 관련 동영상