1. Киришүү
This manual provides detailed instructions for the installation, operation, and maintenance of your Sena Smart HJC 21B Bluetooth Communication System. Please read this manual thoroughly before using the device to ensure proper functionality and safety. This system is designed to integrate seamlessly with 21B compatible HJC helmets.
2. Продукт бүтүп калдыview жана өзгөчөлүктөрү
The Sena Smart HJC 21B is a second-generation Bluetooth communication system engineered for HJC helmets. It offers advanced features for enhanced communication and audio experience while riding.

Image: The Sena Smart HJC 21B communication unit, featuring a sleek black design with a blue indicator light on the left side and large, tactile control buttons for volume and function in the center.
Негизги өзгөчөлүктөрү:
- Bluetooth 5.1 технологиясы: Зымсыз байланыштын туруктуу жана натыйжалуу иштешин камсыз кылат.
- 4 тараптуу домофон: Allows communication with up to four riders simultaneously.
- Кеңейтилген сүйлөшүү убактысы: Provides over 22 hours of continuous talk time.
- HD баяндамачылар: Delivers enhanced audio quality, enriching mid-to low-pitched sounds.
- Өркүндөтүлгөн ызы-чууну көзөмөлдөө: Minimizes wind and road noise for clearer communication.
- Универсалдуу домофон: Compatible with non-Sena Bluetooth systems.
- Аудио көп тапшырма: Allows simultaneous intercom conversation and music listening.
- Үн чакыруу: Provides audible status updates and guidance.
- Домофон диапазону: Up to 1600mm (approximately 1 mile) in open terrain.
3. Орнотуу жана орнотуу
The Smart HJC 21B system is designed for easy mounting on compatible HJC helmets, utilizing the helmet's structural interfaces.
Орнотуу кадамдары:
- Prepare Your Helmet: Ensure your HJC helmet is a 21B compatible model. Refer to your helmet's manual for specific instructions on preparing it for communication system installation.
- Негизги блокту орнотуу: Align the Smart HJC 21B main unit with the designated mounting area on the side of your helmet. Secure it firmly according to the helmet's design.
- Динамиктерди орнотуу: Place the HD speakers into the helmet's ear pockets. Ensure they are positioned directly over your ears for optimal audio quality.
- Микрофонду жайгаштырыңыз: Attach the microphone to the appropriate location inside the helmet, ensuring it is close to your mouth for clear voice pickup while not obstructing your vision or comfort.
- Маршруттук кабелдер: Carefully route all cables within the helmet's padding to prevent tangling and ensure comfort.
- Аппаратты заряддоо: Before first use, fully charge the Smart HJC 21B using the provided charging cable. The LED indicator will change color to indicate charging status.
Түзмөктөр менен жупташтыруу:
- Смартфонду жупташтыруу: Power on the device. Enter pairing mode (refer to the operating instructions for specific button presses). On your smartphone, search for Bluetooth devices and select 'Smart HJC 21B'.
- Домофонду жупташтыруу: For intercom communication, follow the specific pairing instructions in the operating section to connect with other Smart HJC 21B units or universal intercom devices.
4. Иштөө нускамалары
This section outlines the basic operations of your Sena Smart HJC 21B system.
Күйгүзүү/өчүрүү:
- Күйгүзүү: Негизги баскычты болжол менен 1 секунд басып туруңуз.
- Өчүрүү: Press and hold the main button for approximately 5 seconds.
Үндү көзөмөлдөө:
- Көлөмүн жогорулатуу: '+' баскычын басыңыз.
- Көлөмдү азайтуу: '-' баскычын басыңыз.
Телефон функциялары:
- Чакырууга жооп берүү: Tap the main button.
- Чакырууну аяктоо: Tap the main button during a call.
- Үн терүү: Press and hold the main button for 3 seconds (if supported by your phone).
Intercom Functions:
- Домофонду баштоо/аяктоо: Tap the intercom button (specific button may vary, refer to quick start guide).
- Домофонду жупташтыруу: Follow the pairing instructions in the setup section to connect with other units.
Музыка ойнотуу:
- Ойнотуу/тындыруу: Tap the main button.
- Кийинки трек: '+' баскычын 2 секунд басыңыз.
- Мурунку трек: '-' баскычын 2 секунд басыңыз.
5. Техникалык тейлөө
Proper maintenance ensures the longevity and optimal performance of your communication system.
- Тазалоо: жумшак колдонуу, damp cloth to wipe the exterior of the unit. Avoid using harsh chemicals or abrasive cleaners.
- Сактагыч: Түзмөктү колдонбогон учурда салкын, кургак жерде сактаңыз. Ашыкча температурадан алыс болуңуз.
- Батареяга кам көрүү: To maintain battery health, charge the device regularly, even if not used for extended periods. Avoid fully discharging the battery frequently.
- Кабелдик текшерүү: Periodically check all cables for signs of wear or damage.
6. Кыйынчылыктарды
If you encounter issues with your Sena Smart HJC 21B, try the following solutions:
- Кубат жок: Ensure the battery is charged. Connect the device to a power source and check the charging indicator.
- Аудио жок/Аудио сапаты начар: Check speaker connections. Ensure speakers are correctly positioned in the helmet. Adjust volume levels. If using intercom, ensure units are within range.
- Bluetooth ажыратуу: Ensure the device is within range of your paired smartphone or other intercom units. Try re-pairing the devices.
- Түзмөк жооп бербейт: Perform a factory reset if the device becomes unresponsive. Refer to the full user guide on the Sena website for specific reset procedures.
- Домофон маселелери: Verify that all participating units are powered on, charged, and correctly paired. Ensure no obstacles are blocking the signal.
7. Техникалык шарттар
| Өзгөчөлүк | Спецификация |
|---|---|
| Модель аты | Smart HJC 21B Bluetooth Communication System |
| Модель номери | 0721-1350-00 |
| Bluetooth версиясы | 5.1 |
| Домофон диапазону | Up to 1600mm (1 mile) in open terrain |
| Max Intercom Connections | 4-жол |
| Talk Time | 22 XNUMX сааттан ашык |
| Noise Control | Өркүндөтүлгөн ызы-чууну башкаруу |
| Өлчөмдөр (Продукт) | 10 x 6 x 4 дюйм |
| Салмагы (пункт) | 15.8 унция |
| UPC | 885465016212 |
| Өндүрүүчү | SENA |
8. Коопсуздук маалыматы
Always prioritize safety while riding. Using communication devices can be a distraction. Ensure you are familiar with local laws and regulations regarding the use of communication systems while operating a motorcycle.
- Үн деңгээли: Avoid listening at excessively high volumes, which can damage your hearing and prevent you from hearing important ambient sounds.
- алаксытуу: Do not operate the device in a way that distracts you from safe riding. Keep your focus on the road and traffic conditions.
- Туулга шайкештиги: This system is designed for specific HJC helmets. Ensure your helmet is compatible to guarantee proper fit and function.
- Helmet Safety Standards: While this communication system integrates with helmets, please note that the helmet itself must meet safety standards such as DOT approval and FMVSS 218 certification for legal on-road motorcycle use in the United States.
9. Кепилдик жана колдоо
Кепилдиктин толук маалыматы жана техникалык колдоо үчүн расмий Сенага кайрылыңыз webсайтка же түздөн-түз Сена кардарларды тейлөө менен байланышыңыз. Кепилдик дооматтар үчүн сатып алганыңыздын далилин сактаңыз.
Сена Webсайт: www.sena.com





