1. Sarrera
This manual provides detailed instructions for the safe and efficient operation of your Retevis RB637 Bluetooth Two-Way Radio. Please read this manual thoroughly before using the device to ensure proper function and to prevent damage.
2. Paketearen edukia
Egiaztatu behean zerrendatutako elementu guztiak zure paketean daudela:
- 1 x Retevis RB637 Two-Way Radio
- 1 x Bluetooth entzungailua
- 1 x kargatzeko oinarria
- 1 x Korrila
- 1 x Gerriko Klip
- 1 x Ear Hook for Bluetooth Headset
- 1 x Silicone Gel Cover for Bluetooth Headset
- 1 x USB motako C kargatzeko kablea
- 1 x Erabiltzailearen eskuliburua (dokumentu hau)

3. Produktuaren ezaugarriak
- Bluetooth 5.3 konexioa: Supports seamless pairing with the included Bluetooth headset for hands-free communication.
- Iraupen luzeko bateria: The radio is equipped with a 2000mAh battery, providing over 15 hours of continuous talk time. The Bluetooth headset has a 180mAh battery, offering up to 12 hours of continuous use.
- USB C motako karga: Convenient and universal charging interface for the radio.
- Linterna integratua: A high-caliber flashlight for emergency illumination in low-light conditions.
- VOX funtzioa: Voice-activated transmission for hands-free operation without pressing the PTT button.
- Squelch funtzioa: Automatically mutes the speaker when no signal is received, reducing background noise.
- Wireless Clone Function: Allows for easy copying of settings between compatible radios.
- Multi-Model Compatibility: Compatible with other Retevis PMR radios by setting the same frequency and sub-audio codes.


4. Konfigurazioa
4.1 Charging the Radio and Headset
- Irratiaren karga: Insert the USB Type-C charging cable into the radio's charging port or place the radio in its charging base. Connect the other end of the cable to a compatible USB power adapter (not included). The indicator light on the charging base will show charging status.
- Entzungailuak kargatzen: Connect the USB Type-C charging cable to the Bluetooth headset's charging port. Connect the other end to a USB power adapter. The headset's indicator light will show charging status.
Ensure both devices are fully charged before first use. A full charge for the radio typically takes several hours.

4.2 Attaching the Belt Clip and Lanyard
- Gerriko Clip: Align the belt clip with the designated slots on the back of the radio and slide it down until it clicks into place.
- Korrontea: Thread the lanyard through the loop on the top or side of the radio for secure carrying.
4.3 Pairing the Bluetooth Headset
The Bluetooth headset is designed for automatic pairing with the RB637 radio upon power-on. No additional manual pairing steps are typically required. Ensure both devices are powered on and within approximately 6 meters (20 feet) of each other for optimal connection.

5. Funtzionamendu-argibideak
5.1 Piztu/Itzali
- Irratia: Rotate the power/volume knob clockwise to power on the radio. Rotate counter-clockwise until a click is heard to power off.
- Bluetooth entzungailua: Press and hold the power button on the headset until the indicator light illuminates. Repeat to power off.
5.2 Bolumena doitzea
Rotate the power/volume knob on the radio to adjust the listening volume. The headset volume is typically controlled by the radio's volume setting.
5.3 Kanal bat hautatzea
Use the channel selector knob on the top of the radio to choose one of the 16 available channels. Ensure all radios you wish to communicate with are set to the same channel and sub-audio code.
5.4 Igortzea eta jasotzea
- Using the Radio PTT: Sakatu eta eutsi irratiaren alboko Hitz egiteko botoiari (PTT) transmititzeko. Hitz egin argi mikrofonoan. Askatu PTT botoia jasotzeko.
- Using the Bluetooth Headset PTT: Lightly touch the PTT button on the Bluetooth headset to transmit. Speak into the headset's microphone. Release the touch PTT to receive.
5.5 VOX funtzioa (Ahots bidezko trukea)
The VOX function allows for hands-free transmission. When activated, the radio will automatically transmit when it detects your voice, without needing to press the PTT button. Refer to the radio's specific key combination instructions for activating and deactivating VOX.

5.6 Linternaren funtzionamendua
To activate the flashlight, locate the dedicated flashlight button or refer to the radio's specific key combination instructions. Press once to turn on, and again to turn off.
5.7 Wireless Clone Function
This feature allows you to copy channel settings from one RB637 radio to another wirelessly. Ensure both radios are compatible and follow the specific instructions for initiating the wireless clone process. This typically involves a specific key sequence on both the source and target radios.

6. Mantentzea
- Garbiketa: Erabili biguna, damp cloth to clean the radio and headset. Do not use harsh chemicals or abrasive cleaners.
- Biltegiratzea: Store the radio and accessories in a cool, dry place away from direct sunlight and extreme temperatures.
- Bateria zaintzea: To prolong battery life, avoid fully discharging the battery frequently. Recharge the battery when the low battery indicator appears. If storing for extended periods, charge the battery to approximately 50% every three months.
- Uraren erresistentzia: The Retevis RB637 is ez iragazgaitza. Avoid exposing the device to water or high humidity.
7. Arazoak
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Irratia ez da pizten. | Bateria agortuta dago edo ez dago behar bezala instalatuta. | Kargatu bateria. Ziurtatu bateria behar bezala sartuta dagoela. |
| Ezin da transmititu edo jaso. | Incorrect channel or sub-audio code. Out of range. Low battery. | Verify channel and sub-audio settings. Move closer to other radios. Recharge battery. |
| Bluetooth headset not connecting. | Headset is off or out of range. Low headset battery. | Ensure headset is powered on and within 6m of the radio. Charge headset battery. |
| Audio kalitate eskasa. | Seinale ahula. Oztopoak. Bolumena baxuegia/altuegia. | Mugitu leku ireki batera. Doitu bolumena. Egiaztatu antenaren konexioa. |
| Linterna ez dabil. | Low battery. Feature not activated correctly. | Recharge radio battery. Refer to operating instructions for flashlight activation. |
8. Zehaztapenak
| Ezaugarri | Zehaztapena |
|---|---|
| Modelo zenbakia | RB637 |
| Marka | Retevis |
| Maiztasun barrutia | 446.00625-446.19375 MHz |
| Kanal kopurua | 16 |
| Gehienezko irismena | 2 Kilometers (dependent on terrain and conditions) |
| Radio Battery Capacity | 2000mAh Litio-ioia |
| Entzungailuen bateriaren edukiera | 180mAh |
| Bateriaren batez besteko iraupena | 15 hours (radio), 12 hours (headset) |
| liburukiatage | 3.7 Volt |
| Konektibitate-protokoloa | Bluetooth 5.3 |
| Uraren Erresistentzia Maila | Ez iragazgaitza |
| Funtzionamendu-tenperatura | -10 ℃ eta + 50 ℃ |
| Produktuaren neurriak (L x W x H) | 3.6 x 6.1 x 18.3 cm |
| Elementuaren pisua | 430 gramo |
9. Bermea eta Laguntza
9.1 Bermearen informazioa
Retevis offers a 2 urteko bermea for the radio body and a 1 urteko bermea for accessories from the date of purchase. Additionally, a 30-day return policy is provided without requiring a specific reason.
Beyond the warranty period, maintenance services are available. Buyers are responsible for any associated costs for such services.
9.2 Bezeroarentzako laguntza
For any questions, technical assistance, or warranty claims, please contact Retevis customer support through the Amazon platform. We aim to respond to all inquiries within 12 hours.