Mini Walkie Talkie with Screen Retevis B63H/B3H User Manual

1. Introduction

This manual provides detailed instructions for the operation and maintenance of your Retevis B63H/B3H Mini Walkie Talkie. Designed for ease of use and portability, this two-way radio features a hidden dot matrix screen, a long-lasting 1620mAh battery, and convenient Type-C charging. Please read this manual thoroughly before using your device to ensure safe and optimal performance.

2. Product Overview

2.1. Physical Features

The Retevis B63H/B3H walkie-talkie is designed to be ultra-thin and lightweight, making it comfortable to carry for extended periods. Its compact form factor (15mm / 0.59 inches thick, 103g / 0.23 lbs weight) fits easily in your palm or pocket.

2.2. Component Identification

Familiarize yourself with the various parts of your walkie-talkie:

• Power/Volume Knob: Turns the radio on/off and adjusts volume.
• Antenna: For transmitting and receiving signals.
• Dot Matrix Display: Hidden display for channel and battery status.
• Microphone: For voice input.
• PTT Key (Push-to-Talk): Press and hold to transmit, release to receive.
• Earpiece Jack: For connecting an external earpiece (3.5mm).
• Charging Jack: Type-C port for charging.
• Channel +/-: Buttons to change channels.
• Monitor/Emergency Alarm: Multi-function button.
• Battery/Channel Lock: Multi-function button.
• Belt Clip: For attaching the radio to clothing or a belt.

3. Setup Instructions

3.1. Charging the Battery

Before initial use, fully charge the walkie-talkie battery. The device features a 1620mAh Li-ion rechargeable battery.

1. Connect the provided Type-C charging cable to the Charging Jack on the side of the walkie-talkie.
2. Connect the other end of the cable to a compatible USB power source (e.g., USB adapter, power bank, computer, or vehicle charging port).
3. The hidden display will show a charging indicator. A full charge typically takes 3-4 hours.

3.2. Power On/Off

To power on the walkie-talkie, rotate the Power/Volume Knob clockwise until you hear a click and the display illuminates. To power off, rotate the knob counter-clockwise until it clicks off.

4. Operating Instructions

4.1. Channel Selection

Your walkie-talkie supports up to 16 channels. Use the Channel +/- buttons to select your desired channel. Ensure all radios in your group are on the same channel for communication.

4.2. Transmitting and Receiving

• To Transmit: Press and hold the PTT (Push-to-Talk) button on the side of the radio. Speak clearly into the microphone. Release the PTT button to stop transmitting and listen for a response.
• To Receive: Ensure the PTT button is not pressed. The radio will automatically receive signals on the selected channel.

4.3. VOX (Voice Operated Exchange) Hands-free

The VOX function allows you to transmit without pressing the PTT button, enabling hands-free operation. This is particularly useful when your hands are occupied.

• To Activate VOX: Turn off the walkie-talkie. Then, press and hold the [UP] key while turning the Power/Volume Knob clockwise to power on the device. This will activate the voice control function.
• To Deactivate VOX: Repeat the activation steps.

4.4. Channel Lock

The Channel Lock feature prevents accidental channel changes. Long press the designated function key (refer to Figure 3 for location) to lock or unlock the current channel.

4.5. Emergency Alarm

In case of an emergency, activate the emergency alarm function to signal for help. Press the Emergency Alarm button (refer to Figure 3 for location) to initiate the alarm.

5. Maintenance

• Keep the walkie-talkie dry. If it gets wet, wipe it immediately.
• Do not expose the device to extreme temperatures.
• Clean the device with a soft, damp cloth. Avoid using harsh chemicals or solvents.
• Ensure the charging port is free of dust and debris.

6. Troubleshooting

• No Power: Ensure the battery is charged and properly inserted. Check the Power/Volume Knob is turned on.
• Cannot Transmit/Receive: Verify that all radios are on the same channel. Check if the Channel Lock is active. Ensure you are within the maximum range.
• Poor Audio Quality: Check volume levels. Ensure the microphone and speaker are not obstructed. Move closer to the other radio if range is an issue.
• VOX Not Working: Ensure VOX is activated correctly (refer to section 4.3).

7. Specifications

8. User Tips

• Earpiece Compatibility: The walkie-talkie features a 3.5mm earpiece jack, allowing for private listening and hands-free communication with compatible accessories.
• Channel Privacy: Utilize the 50 CTCSS and 210 DCS codes to minimize interference and ensure more private conversations on shared channels.
• Range Optimization: For optimal range (1.5km-3km), ensure clear line-of-sight and avoid obstructions like buildings or dense foliage.
• Inter-Radio Communication: Radios can communicate with each other without issue as long as they are set to the same channel and CTCSS/DCS codes.

9. Package Contents

The standard package includes the following items:

• Retevis B3H/B63H Two-Way Radio(s)
• 2-in-1 Charging Cable(s)
• Belt Clip(s)
• User Manual(s)
• Earphones (optional, depending on package)

10. Usage Scenarios

The Retevis B63H/B3H walkie-talkie is versatile and suitable for various activities:

• Family outings and events
• Camping trips
• Cycling and riding activities
• Hiking and outdoor adventures

11. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official RETEVIS website. Keep your proof of purchase for warranty claims.