Retevis RT84 USB Programming Cable Instruction Manual

1. Introduction

This manual provides instructions for the proper installation and use of the Retevis RT84 USB Programming Cable. This cable is designed to facilitate the programming of Retevis RT84 and RT72 two-way radios, allowing users to easily update frequencies and other settings via a computer.

The programming cable offers a convenient and efficient method for managing your radio's configurations, ensuring optimal performance and customization.

2. Product Overview

The Retevis RT84 USB Programming Cable is a dedicated accessory for compatible Retevis two-way radios. It features a standard USB connector for your computer and a specialized two-pin connector for your radio.

Image 2.1: Overview of the Retevis RT84 USB Programming Cable, showing the USB-A connector on one end and the two-pin radio connector on the other.

Key Features:

• Easy Installation: Designed for straightforward setup on compatible Windows operating systems.
• Reliable Connection: Ensures stable data transfer between your computer and radio during programming.
• Durable Construction: Made with advanced materials for long-term use.
• Efficient Programming: Allows for quick and accurate frequency and setting adjustments.

3. Compatibility

This programming cable is specifically designed for use with the following Retevis two-way radio models:

• Retevis RT84
• Retevis RT72

Operating System Compatibility:

• Windows 7
• Windows 8
• Windows 10

Note: This cable is not compatible with Mac operating systems.

4. Setup Instructions

Follow these steps to set up your Retevis RT84 USB Programming Cable:

1. Install Programming Software: Before connecting the cable, ensure you have the correct programming software for your Retevis RT84 or RT72 radio installed on your Windows computer. This software is typically provided by Retevis or can be downloaded from their official website.
2. Connect USB to Computer: Plug the USB-A end of the programming cable into an available USB port on your computer.

Image 4.1: Close-up of the USB-A connector, ready to be plugged into a computer.
3. Driver Installation: Your Windows operating system should automatically detect the new hardware and attempt to install the necessary drivers. If prompted, allow Windows to search for and install the drivers. If automatic installation fails, you may need to manually install drivers, often found with the radio's programming software or on the Retevis support website.
4. Connect to Radio: With the radio powered off, carefully insert the two-pin connector of the programming cable into the programming port on the side of your Retevis RT84 or RT72 radio. Ensure a secure connection.


Image 4.2: The two-pin connector of the programming cable inserted into the side port of a Retevis two-way radio.

5. Power On Radio: Once the cable is securely connected to both the computer and the radio, you can power on your radio.

5. Operating Instructions

After successfully setting up the cable and installing the drivers, you can proceed with programming your radio:

1. Launch Programming Software: Open the Retevis programming software on your computer.
2. Select COM Port: Within the software, navigate to the communication settings or port selection. Choose the correct COM port that corresponds to your USB programming cable. This is crucial for the software to communicate with the radio. You can usually find the assigned COM port in your computer's Device Manager under "Ports (COM & LPT)".
3. Read Data from Radio: Use the software's "Read from Radio" or "Download" function to retrieve the current configuration from your RT84 or RT72 radio. This step is recommended before making any changes, allowing you to save a backup of your radio's original settings.
4. Modify Settings: Adjust frequencies, channels, squelch levels, and other parameters as needed within the programming software interface.
5. Write Data to Radio: Once you have made all desired changes, use the software's "Write to Radio" or "Upload" function to transfer the new configuration to your radio. Ensure the radio remains connected and powered on during this process.
6. Verify Settings: After writing the data, power cycle your radio (turn it off and then on again) and verify that the new settings have been applied correctly.

Always refer to the specific user manual for your Retevis RT84 or RT72 radio and the programming software for detailed instructions on specific functions and settings.

6. Troubleshooting

If you encounter issues while using the programming cable, consider the following troubleshooting steps:

• Cable Not Detected / Driver Issues:
  • Ensure the cable is firmly plugged into a working USB port on your computer.
  • Check Device Manager in Windows for any unknown devices or devices with yellow exclamation marks under "Ports (COM & LPT)".
  • Try a different USB port.
  • Reinstall the drivers. Sometimes, uninstalling the existing driver and then plugging the cable back in can resolve issues.
  • Verify you have the correct and latest drivers for your specific cable and operating system from the Retevis website.
• Software Cannot Communicate with Radio:
  • Confirm the radio is powered on and the cable is securely connected to the radio's programming port.
  • Ensure the correct COM port is selected in the programming software.
  • Close any other applications that might be using the COM port.
  • Try restarting both the computer and the radio.
  • Verify that you are using the correct programming software version for your radio model.
• Programming Errors:
  • Ensure the radio's battery is sufficiently charged before attempting to program.
  • Do not disconnect the cable or power off the radio during the read/write process.
  • If an error occurs, try reading the radio's data again before attempting to write.

7. Maintenance

To ensure the longevity and proper functioning of your Retevis RT84 USB Programming Cable, follow these maintenance guidelines:

• Storage: Store the cable in a cool, dry place away from direct sunlight and extreme temperatures.
• Handling: Avoid bending or kinking the cable sharply, as this can damage the internal wires. Always grasp the connectors, not the cable itself, when plugging or unplugging.
• Cleaning: If necessary, gently wipe the cable and connectors with a soft, dry cloth. Do not use liquid cleaners or solvents.
• Inspection: Periodically inspect the cable for any signs of damage, such as frayed insulation or bent pins on the connectors. Discontinue use if damage is observed.

8. Specifications

9. Support and Warranty

For technical support, driver downloads, or warranty information, please visit the official Retevis website or contact Retevis customer service. Keep your purchase receipt for warranty claims.

Official Retevis Website: www.retevis.com