1. Муқаддима
The HJC Smart 50B Bluetooth Communication System is a high-end, fully integrated communication solution designed specifically for HJC helmets. Developed in collaboration with Sena, this system offers an optimal balance of weight and aerodynamic performance, enhancing your riding experience.
Хусусиятҳои асосӣ инҳоянд:
- Тарҳрезии интегралӣ: All-in-one system seamlessly integrates into compatible HJC helmets.
- Bluetooth 5.0 & MESH Intercom: Based on the BT 5.0 Low Power system, the 50B supports both MESH intercom and Bluetooth 4-way intercom functions.
- Сифати беҳтаршудаи аудио: Features audio multitasking, sound balance, and advanced noise reduction for clear communication.
- HD Speakers: Equipped with HD speakers to enrich mid and bass range sounds.
- Мутобиқати кулоҳ: Compatible with HJC RPHA 71, RPHA 91, RPHA 31, and i71 helmets.

Figure 1: HJC Smart 50B Bluetooth Communication System unit.
2. Танзим ва насб
Proper installation of the Smart 50B system is crucial for optimal audio performance and comfort. Follow these steps for a successful setup:
2.1 Ҷойгиркунии баландгӯяк
The correct positioning of the speakers directly over your ears is vital for achieving the best sound quality and volume. Many helmets feature designated speaker pockets, which serve as a good starting point. However, individual ear positions vary, so fine-tuning may be necessary.
- Ensure all speaker connections are fully plugged in. Loose connections can lead to poor audio.
- With the speakers detached from the helmet interior, play music through the Smart 50B at full volume.
- Hold the speakers directly over your ears to determine the ideal loudness and clarity. This helps you understand the system's full audio potential.
- Place the helmet on your head and gently move it to identify if the speakers are positioned correctly relative to your ears. If the sound improves when you shift your head slightly, adjust the speaker's position.
- If your helmet has speaker pockets, use them as a guide. If the speakers are too far back or forward, or if they cause discomfort, adjust their position.
- Utilize speaker spacers (if provided or available) to bring the speakers closer to your ears, ensuring a snug fit without discomfort. Even a small adjustment can significantly improve sound quality.

Figure 2: HJC Smart 50B unit showing control buttons.

Figure 3: HJC Smart 50B installed on the side of a white motorcycle helmet.

Figure 4: HJC Smart 50B installed on the side of a black motorcycle helmet.
3. Дастурҳои истифодабарӣ
The HJC Smart 50B offers various functions for communication and entertainment while riding. Refer to the full user manual for detailed instructions on each feature.
3.1 Фаъол кардан/хомӯш кардан
To power on or off the device, press and hold the main button for a few seconds until the LED indicator changes or an audible prompt is heard.
3.2 Домофони Bluetooth
The Smart 50B supports 4-way Bluetooth intercom. To pair with other devices, enter pairing mode and follow the instructions in the full manual. Once paired, you can initiate and manage intercom conversations with other riders.
3.3 MESH Intercom
For larger groups, the MESH intercom feature provides a more robust and flexible connection. Activate MESH mode to automatically connect with nearby MESH-enabled devices. Consult the detailed manual for MESH group management.
3.4 Phone Connectivity
Pair your smartphone via Bluetooth to make and receive calls, listen to music, and access GPS navigation audio. The system supports voice control for hands-free operation.
3.5 Аудио бисёркорӣ
Enjoy seamless transitions between intercom conversations, music, and GPS instructions with the audio multitasking feature. Adjust sound balance to prioritize different audio sources as needed.
4. Нигоҳдорӣ
To ensure the longevity and optimal performance of your HJC Smart 50B, follow these maintenance guidelines:
- Тозакунӣ: нармро истифода баред, гamp матоъ барои тоза кардани беруни дастгоҳ. Аз маводи кимиёвии сахт ё маводҳои абразивӣ худдорӣ кунед.
- Пур кардан: Charge the unit using the provided USB cable. Ensure the charging port is dry before connecting.
- Нигоҳдорӣ: Store the unit in a dry, cool place when not in use. Avoid extreme temperatures.
- Навсозии нармафзор: Regularly check for and install software updates via the Cardo Connect-app (as mentioned in a related video, though the product is HJC/Sena, this is a common practice for such devices). Keeping the firmware updated ensures the best performance and access to new features.
5. Баррасии мушкилот
If you encounter issues with your HJC Smart 50B, try the following common troubleshooting steps:
- Овоз нест / Ҳаҷми паст:
- Check all speaker connections to ensure they are fully seated.
- Verify speaker placement within the helmet; adjust them directly over your ears.
- Increase the volume on both the Smart 50B and your connected device.
- Intercom Connection Issues:
- Ensure all devices are within range.
- Re-pair the devices if the connection is unstable.
- Check for firmware updates on all connected units.
- Дастгоҳ фаъол нест:
- Боварӣ ҳосил кунед, ки батарея пур шудааст. Пеш аз кӯшиши фурӯзон кардан, ба пуркунандаи барқ пайваст кунед ва чанд дақиқа интизор шавед.
- Perform a factory reset (refer to the full manual for specific instructions).
For persistent issues, contact HJC customer support.
6. Мушаххасоти
| Хусусият | Тафсилот |
|---|---|
| Бренд | HJC |
| Модели | Smart Hjc 50b |
| Андозаҳои маҳсулот | 15 х 12 х 9 см |
| Вазни ашё | 300 гр |
| Версияи Bluetooth | 5.0 Low Power System |
| Навъи домофон | MESH Intercom, Bluetooth 4-way Intercom |
| Навъи баландгӯяк | Баландгӯякҳои HD |
| Паст кардани садо | Кам кардани садои пешрафта |
| Назорати овоз | Дастгир карда шудааст |
| Хӯди мувофиқ | RPHA 71, RPHA 91, RPHA 31, i71 |
| Санаи аввалини дастрас | 13 марти 2023 |
7. Кафолат ва дастгирӣ
For warranty information and customer support, please refer to the official HJC website or contact your authorized HJC dealer. Keep your proof of purchase for warranty claims.