1. Introduction
This manual provides detailed instructions for the safe and efficient operation of your Retevis B63H two-way radio. Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage.
2. Package Contents
Verify that all items are present in your package:
- 2 x Retevis B63H Walkie Talkies
- 2 x Earpieces
- 2 x Belt Clips
- 1 x USB Type-C Charging Cable
- User Manual (this document)
3. Product Overview
The Retevis B63H is a compact and lightweight two-way radio designed for reliable communication. Key features include a hidden display, 1620mAh battery, VOX hands-free operation, and Type-C charging.
3.1. Key Features
- Ultra-Slim Design: 15mm thickness and 103g weight for easy portability.
- Shatterproof Hidden Display: Provides clear channel and battery information while protecting the screen.
- 1620mAh Battery: Offers 18-24 hours of working time and 49 hours of standby time.
- Type-C Charging: Convenient and widely compatible charging interface.
- VOX Hands-Free: Allows transmission without pressing the PTT button.
- Emergency Alarm: Activates an alarm function for urgent situations.
- CTCSS/DCS Codes: 260 codes ensure secure communication.
- PMR446 License-Free: Compatible with other PMR446 two-way radios.
3.2. Physical Components
The hidden display is integrated into the device's front panel, becoming visible only when active, protecting it from scratches and wear.
The radio measures 15mm in thickness and weighs 103g, making it easy to carry.
4. Setup
4.1. Charging the Battery
The Retevis B63H is equipped with a 1620mAh lithium-ion battery. Before first use, fully charge the device.
- Locate the Type-C charging port on the side of the radio.
- Connect the provided USB Type-C charging cable to the radio and a compatible USB power source (e.g., wall adapter, computer USB port).
- The battery indicator on the hidden display will show charging status. A full charge typically takes 3-4 hours.
A fully charged battery provides approximately 18-24 hours of working time and up to 49 hours of standby time.
4.2. Attaching the Belt Clip
To attach the belt clip, align it with the designated slot on the back of the radio and slide it into place until it clicks securely.
4.3. Connecting Earpieces
Insert the earpiece plug into the audio jack located next to the Type-C charging port for private listening and hands-free communication.
5. Operating Instructions
The Retevis B63H is designed for straightforward operation.
5.1. Power On/Off and Volume Control
- To power on the radio, rotate the top knob clockwise. You will hear an audible confirmation.
- To power off, rotate the knob counter-clockwise until it clicks.
- Adjust the volume by rotating the same knob clockwise to increase and counter-clockwise to decrease.
5.2. Channel Selection
The radio supports 16 channels within the 446.0-446.2MHz frequency range.
- Use the channel up/down buttons (typically located below the PTT button) to select your desired channel.
- The selected channel number will be displayed on the hidden screen.
- Ensure all radios in your group are set to the same channel for communication.
5.3. Transmitting and Receiving
- To transmit, press and hold the Push-To-Talk (PTT) button located on the side of the radio.
- Speak clearly into the microphone (located near the bottom of the radio).
- Release the PTT button to stop transmitting and listen for a response.
- When receiving, the radio will automatically play the incoming audio.
5.4. VOX (Voice Operated Exchange) Function
The VOX function allows for hands-free transmission, activating the microphone when it detects your voice.
- To activate/deactivate VOX, refer to the specific button combination or menu option in the full programming guide (if applicable).
- When VOX is active, speak into the microphone to transmit without pressing PTT.
- Adjust VOX sensitivity if needed to prevent accidental transmissions or missed voice activations.
5.5. Emergency Alarm Function
The emergency alarm can be activated to signal for help in urgent situations.
- Long press the designated emergency alarm button (refer to your device's specific button layout, often a 'down' key or a dedicated function button) for approximately 3 seconds.
- The radio will emit an alarm sound and/or transmit an alert signal to other radios on the same channel.
5.6. CTCSS/DCS Codes
CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digitally Coded Squelch) codes help filter out unwanted conversations from other users on the same channel, enhancing communication privacy.
- Your radio supports 260 CTCSS/DCS codes.
- To communicate privately with a group, all radios must be set to the same channel and the same CTCSS/DCS code.
- Refer to the full programming guide for instructions on setting CTCSS/DCS codes.
6. Maintenance
6.1. Cleaning
Wipe the radio with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the charging port cover is closed when not charging to prevent dust and moisture ingress.
6.2. Battery Care
- Avoid fully discharging the battery frequently.
- Store the radio in a cool, dry place when not in use for extended periods.
- Charge the battery at least once every three months to maintain its lifespan.
6.3. Environmental Conditions
The Retevis B63H is not waterproof. Avoid exposing it to rain, splashes, or high humidity. Operate within the specified temperature range of -20°C to 60°C.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Low battery; Radio not turned on. | Charge the battery; Rotate the power/volume knob clockwise to turn on. |
| Cannot transmit or receive | Incorrect channel; Out of range; Low battery. | Verify both radios are on the same channel; Move closer to the other radio; Charge the battery. |
| Poor audio quality | Weak signal; Obstructions; Volume too low/high. | Move to an open area; Adjust volume. |
| VOX not activating | VOX sensitivity too low; VOX off. | Adjust VOX sensitivity; Ensure VOX is enabled. |
If you encounter issues not listed here, please contact Retevis customer support.
8. Specifications
- Model: B63H
- Brand: Retevis
- Color: Black
- Number of Channels: 16
- Frequency Range: 446.0-446.2MHz (PMR446)
- Maximum Communication Range: 2.5 Kilometers (under optimal conditions)
- Battery Capacity: 1620mAh Lithium-ion
- Working Time: 18-24 hours
- Standby Time: 49 hours
- Charging Type: USB Type-C
- Special Features: Hidden display, VOX, Emergency Alarm
- Dimensions (D x W x H): 15D x 15W x 55H millimeters
- Item Weight: 103 Grams
- Voltage: 3.7V
- Water Resistance Level: Not water resistant
- Noise Level: 40 Decibels
- Operating Temperature: -20°C to 60°C
- Included Components: 2 x Walkie Talkie, 2 x Earpiece
9. Warranty and Support
9.1. Warranty Information
Retevis provides a 2-year warranty for the radio body and a 1-year warranty for accessories. Additionally, there is a 30-day return policy without specific reason required.
After the warranty period, maintenance services are still offered, with corresponding costs to be covered by the buyer.
9.2. Customer Support
For any questions, issues, or support needs, please contact Retevis customer service via Amazon. Responses are typically provided within 12 hours.
You can visit the official Retevis store for more information: Retevis Store on Amazon
10. Important Safety Information
- Do not operate the radio in explosive atmospheres (e.g., flammable gases, dust, vapors).
- Do not disassemble or modify the radio. Repairs should only be performed by authorized personnel.
- Keep the radio away from medical devices, as it may interfere with their operation.
- Use only approved batteries and chargers.
- Avoid prolonged exposure to direct sunlight or extreme temperatures.
