Retevis MB62 VOX CB Radio Instruction Manual

1. Introduction

The Retevis MB62 VOX CB Radio is a compact and portable communication device designed for reliable long-distance communication. It supports both AM (Amplitude Modulation) and FM (Frequency Modulation) modes, providing clear audio quality for various applications, especially for truckers and mobile users. This manual provides detailed instructions for setting up, operating, and maintaining your MB62 CB radio.

Image 1.1: The Retevis MB62 VOX CB Radio.

2. What's in the Box

Please check the package contents to ensure all items are present:

• MB62 CB Radio Unit x1
• Speaker Microphone x1
• Cigarette Lighter Power Cable x1
• Main Mounting Bracket x1
• Mounting Knobs x2
• Screws x4
• Anti-Slip Mats x4
• Stop Pads x2
• Microphone Hanger x1
• Spare Fuse x1
• User Manual x1

Image 2.1: All included components of the Retevis MB62 CB Radio package.

3. Setup

3.1 Antenna Connection

Important: The CB radio must be operated with an antenna. Failure to connect an antenna can damage the device.

1. Connect a suitable CB antenna to the antenna connector on the rear of the MB62 unit. Ensure the connection is secure.

3.2 Power Connection

1. Connect the cigarette lighter power cable to the power input on the rear of the MB62 unit.
2. Insert the cigarette lighter plug into your vehicle's 12V power socket.

3.3 Mounting the Unit

The MB62 is compact and portable, allowing for flexible placement in your vehicle.

1. Attach the main mounting bracket to a desired location in your vehicle using the provided screws.
2. Secure the MB62 unit to the mounting bracket using the mounting knobs.
3. Attach the microphone hanger in a convenient location for easy access to the speaker microphone.

Image 3.1: The compact size of the MB62 allows for easy placement.

4. Operating Instructions

4.1 Power On/Off and Volume Control

Turn the ON/OFF VOL knob clockwise to power on the unit and adjust the volume. Turn it counter-clockwise until it clicks to power off.

4.2 AM/FM Dual Mode Selection

The MB62 supports both AM and FM modes. FM offers clear audio quality, while AM supports longer-distance communication.

• Press the AM/FM button to switch between Amplitude Modulation (AM) and Frequency Modulation (FM) modes. The selected mode will be indicated on the LED display.

Image 4.1: Selecting AM or FM mode on the MB62 CB Radio.

4.3 Channel Selection

The radio features 40 legal channels. Use the UP and DOWN buttons to navigate through the channels.

• Emergency Channel (CH9): Press the EMG button once to quickly switch to Channel 9 for emergency assistance.
• Traffic Information Channel (CH19): Press the EMG button again to switch to Channel 19 for road traffic information.

Image 4.2: Using the EMG button to access emergency and traffic channels.

4.4 VOX Function (Hands-Free Operation)

The VOX function allows you to transmit by speaking into the microphone without needing to press the PTT (Push-To-Talk) button.

• Press the VOX button to activate or deactivate the VOX function. When active, the VOX indicator will light up.
• Adjust the VOX sensitivity as needed to prevent accidental transmissions or missed voice activations.

Image 4.3: Hands-free communication with the VOX function.

4.5 Squelch Function (ASQ and SQ)

The squelch function reduces background noise, ensuring clear transmission and reception.

• Automatic Squelch (ASQ): Press the ASQ button to activate the automatic squelch. This function automatically adjusts the squelch level.
• Manual Squelch (SQ): Rotate the SQUELCH knob to manually adjust the squelch level. Turn it clockwise to increase the squelch level (reduce sensitivity to weak signals and noise) and counter-clockwise to decrease it.

Image 4.4: The Squelch function for clear communication.

4.6 Key Lock Function

The key lock function prevents accidental operation or changes to settings, which is useful when driving.

• Press the LOCK button to activate or deactivate the key lock. When active, a lock icon may appear on the display or an indicator light will show.

Image 4.5: Activating the Key Lock function.

4.7 External Speaker Connection

For louder and clearer audio, an external speaker can be connected.

• Connect a 3.5mm external speaker to the EXT.SP jack on the rear of the unit.

Image 4.6: Connecting an external speaker to the 3.5mm jack.

4.8 Roger Beep

The MB62 features a Roger Beep tone, which is an audible signal transmitted at the end of your transmission to indicate that you have finished speaking.

• The Roger Beep function is typically enabled or disabled via a menu setting or a dedicated button (refer to the specific unit's controls if not explicitly labeled).

5. Maintenance

To ensure the longevity and optimal performance of your Retevis MB62 CB Radio, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the radio's exterior. Avoid using harsh chemicals or abrasive cleaners.
• Connections: Periodically check all cable connections (antenna, power, microphone) to ensure they are secure and free from corrosion.
• Environment: Store and operate the radio within the specified temperature range (-20 to 60 degrees Celsius). Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture. The unit is not waterproof.
• Antenna: Ensure your antenna is properly maintained and tuned for optimal performance.

6. Troubleshooting

If you encounter issues with your Retevis MB62 CB Radio, refer to the following common problems and solutions:

• No Power:
  • Check the power cable connection to the radio and the vehicle's cigarette lighter socket.
  • Verify the vehicle's 12V power socket is functioning.
  • Check the fuse in the cigarette lighter plug and the spare fuse provided. Replace if blown.
• No Reception/Transmission:
  • Ensure the antenna is properly connected and not damaged.
  • Verify the correct channel and mode (AM/FM) are selected.
  • Adjust the Squelch (SQ) knob counter-clockwise to increase sensitivity.
  • Check that the microphone is securely connected.
• Poor Audio Quality (Static/Noise):
  • Adjust the Squelch (SQ) knob clockwise to reduce background noise.
  • Ensure the antenna is properly installed and tuned.
  • Check for sources of electrical interference in the vehicle.
• VOX Not Activating:
  • Ensure the VOX function is enabled (VOX indicator light on).
  • Adjust the VOX sensitivity to a higher level.
• Buttons Unresponsive:
  • Check if the Key Lock function is active. Press the LOCK button to deactivate it.

If the problem persists after trying these steps, please contact Retevis customer support for further assistance.

7. Specifications

8. Warranty and Support

Warranty: We offer a 2-year warranty and a 30-day return policy. The radio housing is covered by a 2-year warranty, and accessories have a 1-year warranty. Beyond the warranty period, we continue to provide maintenance services, with buyers responsible for associated costs.

Support: For any questions, issues, or warranty claims, please contact us directly on Amazon. We commit to responding within 12 hours to ensure the most straightforward resolution process.

Seller: RetevisDirect

Thank you for choosing Retevis. We are dedicated to redefining communication technology and making communication easier.