1. Продукт бүтүп калдыview
The EJEAS FBIM is a professional full-duplex Bluetooth intercom system designed for real-time communication among referees in sports such as football and handball. It features advanced Bluetooth 5.1 technology, CVC noise reduction, and a long-lasting battery for reliable performance during extended use.

Image 1.1: Four EJEAS FBIM referee intercom units, showcasing компакт дизайн.
Негизги өзгөчөлүктөрү:
- Bluetooth 5.1 технологиясы: Ensures quick pairing and stable, low-energy consumption communication.
- Full-Duplex Intercom: Supports real-time, simultaneous communication for up to 4 users.
- Кеңейтилген диапазон: Communication distance up to 1500 meters (between 4 units).
- CVC ызы-чуусун азайтуу: Advanced technology to minimize echo and ambient noise for clear audio.
- Батареянын узак иштөө мөөнөтү: 850mAh battery provides up to 19 hours of talk time and 260 hours of standby time.
- IP65 суу өткөрбөйт рейтинги: Designed to withstand splashes and light rain, suitable for outdoor use.
- Портативдик дизайн: Small, lightweight, and includes an armband for secure wearing.
2. Пакеттин мазмуну
Before proceeding with setup, please verify that all items are present in your package:
- 4 x FBIM Referee Intercom Units
- 4 x Single-Ear Headphones
- 4 х заряддоо кабелдери
- 4 x Running Armbands
- 1 х Колдонуучунун колдонмосу (бул документ)

Сүрөт 2.1: Бүттүview of the EJEAS FBIM 4-unit package contents.
3. Түзмөктүн жайгашуусу жана башкаруу элементтери
Familiarize yourself with the buttons and interfaces of the FBIM intercom unit:

Image 3.1: Labeled diagram of the EJEAS FBIM intercom unit.
- Антенна: Зымсыз сигнал берүү үчүн.
- Күйгүзүү / Өчүрүү баскычы: Бирдикти күйгүзүү же өчүрүү үчүн басып туруңуз.
- Индикатор жарыгы: Displays device status (e.g., charging, paired, low battery).
- Көлөм + баскычы: Аудионун үнүн жогорулатат.
- Үндүн көлөмү - баскычы: Аудионун үнүн азайтат.
- Баскыч: Used for pairing and group communication functions.
- B баскычы: Used for pairing and group communication functions.
- Earphone/Charger Interface: 3.5mm jack for connecting the single-ear headphone and for charging the device.
4. Орнотуу жана орнотуу
4.1 Аппаратты заряддоо
- Connect the charging cable to the Earphone/Charger Interface on the FBIM unit.
- Кубаттоочу кабелдин экинчи учун USB кубат адаптерине (кошулмада жок) же компьютердин USB портуна туташтырыңыз.
- Индикатор кубаттоо абалын көрсөтөт. Толук кубаттоо, адатта, болжол менен 2.5 саатка созулат.
- Ensure all units are fully charged before initial use for optimal performance.
4.2 Wearing the Headset and Intercom
The FBIM intercom is designed for comfortable and secure wearing during activity. The single-ear headphone ensures clear audio and microphone pickup.

Image 4.1: Step-by-step guide for connecting the headset and wearing the intercom unit.
- Connect the single-ear headphone to the Earphone/Charger Interface of the FBIM unit.
- Insert the earbud securely into your ear.
- Adjust the microphone boom for optimal voice pickup, positioning it close to your mouth.
- Place the FBIM unit into the provided running armband.
- Secure the armband to your arm, ensuring it is snug but comfortable, allowing for freedom of movement.
5. Иштөө нускамалары
5.1 Күйгүзүү/өчүрүү
- Күйгүзүү үчүн: Press and hold the Power On/Off button until the indicator light illuminates.
- Өчүрүү үчүн: Press and hold the Power On/Off button until the indicator light turns off.
5.2 Pairing Intercom Units (Group Communication)
The FBIM system supports group communication for up to 4 users. Follow these steps to pair multiple units:
- Ensure all FBIM units are powered off.
- Take two units (Unit 1 and Unit 2). Press and hold the Power On/Off button on both units simultaneously until their indicator lights flash rapidly, indicating pairing mode.
- On Unit 1, press the 'A' button. On Unit 2, press the 'B' button. The units should connect, and their indicator lights will change to a steady blue or green, indicating a successful pair.
- To add a third unit (Unit 3), ensure Unit 3 is off. With Unit 1 and Unit 2 already paired and on, press and hold the Power On/Off button on Unit 3 until its indicator light flashes rapidly.
- On Unit 1, press the 'A' button. On Unit 3, press the 'B' button. Unit 3 will pair with Unit 1.
- To add a fourth unit (Unit 4), ensure Unit 4 is off. With Unit 1, Unit 2, and Unit 3 already paired and on, press and hold the Power On/Off button on Unit 4 until its indicator light flashes rapidly.
- On Unit 2, press the 'A' button. On Unit 4, press the 'B' button. Unit 4 will pair with Unit 2.
- Once all units are paired, they will form a communication group. Any participant can speak, and all others in the group will hear.
Note: For detailed pairing instructions and specific button sequences for different group sizes, please refer to the included printed user manual.
5.3 Үндү тууралоо
- басыңыз Көлөм + угуу үнүн жогорулатуу үчүн баскычты басыңыз.
- басыңыз Көлөмү - угуу үнүн азайтуу үчүн баскычты басыңыз.
5.4 Noise Reduction (CVC)
The FBIM intercom utilizes CVC (Clear Voice Capture) noise reduction technology to filter out ambient noise and echo, providing clearer communication in noisy environments. This feature operates automatically.
6. Техникалык тейлөө жана кам көрүү
- Тазалоо: Wipe the intercom units with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Суу каршылык: The FBIM units are IP65 waterproof, meaning they are protected against dust and low-pressure water jets. They are not designed for submersion. Ensure the earphone/charger port cover is securely closed when not in use to maintain water resistance.
- Сактагыч: Түзмөктөрдү күн нурунан жана экстремалдык температурадан алыс салкын, кургак жерде сактаңыз.
- Батареяга кам көрүү: For optimal battery longevity, avoid fully discharging the battery frequently. If storing for extended periods, charge the battery to approximately 50% every few months.

Image 6.1: The EJEAS FBIM intercom unit demonstrating its IP65 waterproof capability.
7. Кыйынчылыктарды
If you encounter issues with your EJEAS FBIM intercom system, please refer to the following common problems and solutions:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Units do not power on. | Батарея аз же түгөнүп калган. | Charge the units fully (approx. 2.5 hours). |
| Cannot pair units. | Incorrect pairing procedure; units too far apart; interference. | Ensure units are in pairing mode (rapid flashing light). Follow the pairing steps precisely. Try pairing in a location with less interference. Ensure units are within close proximity during initial pairing. |
| Intercom connection is unstable or drops frequently. | Units are out of range; environmental interference; low battery. | Ensure units are within the 1500m operating range. Avoid physical obstructions. Fully charge units. Re-pair the units if necessary. |
| Poor audio quality or excessive noise. | Microphone not positioned correctly; CVC not functioning optimally; environmental factors. | Adjust the microphone closer to your mouth. Ensure the earphone is securely fitted. Move to a less noisy environment if possible. |
| Гарнитурадан үн жок. | Headset not properly connected; volume too low; faulty headset. | Ensure the headset is fully plugged into the 3.5mm jack. Increase volume using the '+' button. Test with another headset if available. |
If the problem persists after attempting these solutions, please contact EJEAS customer support for further assistance.
8. Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Модель аты | FBIM |
| Байланыш технологиясы | Зымсыз, Bluetooth 5.1 |
| Домофон диапазону | Up to 1500m (4 units) |
| Батарея сыйымдуулугу | 850mAh литий-ион |
| Talk Time | 19 саатка чейин |
| Күтүү убактысы | 260 саатка чейин |
| Заряддоо убактысы | Болжол менен 2.5 саат |
| Noise Control | Adaptive Noise Cancellation (CVC) |
| Сууга туруктуулук деңгээли | IP65 суу өткөрбөйт |
| Наушник уясы | 3.5 мм Джек |
| Продукциянын өлчөмдөрү | 1.81 x 0.71 x 3.27 дюйм (46 x 18 x 83 мм) |
| Элемент Салмагы | 6.8 унция (бирдигине) |
| Материал | Пластик |

Image 8.1: Dimensions of the EJEAS FBIM intercom unit.
9. Кепилдик жана колдоо
For warranty information, product registration, or technical support, please refer to the official EJEAS website or contact their customer service directly. Details can typically be found on the manufacturer's packaging or their official online resources.
EJEAS Official Store: Visit the EJEAS Store on Amazon





