FlexControl USB Control Knob (COM4) Driver

The FlexControl USB Control Knob (COM4) driver enables Windows to recognize Flexradio’s USB tuning controller and communicate with compatible radio-control software. It is intended for users setting up the knob for the first time or troubleshooting a device that connects over USB but does not respond in their radio application.

Key Features

• USB device recognition: Helps Windows identify the FlexControl knob so compatible software can access it.
• Serial-port communication: Supports the connection used by the controller through a Windows COM port. COM4 is the port shown in this device name; your computer may assign a different number.
• Hardware control support: Provides the communication layer that compatible radio software needs to receive knob movements and button presses. Available functions depend on the application’s configuration.
• Support for listed Windows systems: The listed operating systems are Windows 10, 8.1, 7, Vista, and XP. Select a package that explicitly matches your Windows version and system architecture.

How to Install FlexControl USB Control Knob (COM4) Driver

1. Check your Windows version. Open your system information and confirm whether you use a 32-bit or 64-bit installation. If comparing Windows 10/11 compatibility, note that Windows 11 is not included in this device’s listed supported systems.
2. Choose the appropriate package. Before starting your FlexControl USB Control Knob (COM4) driver download for Windows, verify the package’s supported operating systems and Flexradio device details. Use a trusted source, and confirm any free download offer provides the actual driver rather than an unrelated installer.
3. Prepare the installation. Close your radio-control software and extract the downloaded archive if necessary. Follow the package instructions about when to connect or disconnect the USB controller.
4. Install the driver. Run the supplied installer, if included. For a manual package, open Device Manager, locate the controller or unidentified USB device, choose Update driver, and browse to the extracted driver folder.
5. Verify operation. Restart Windows if requested, then check Device Manager for the assigned COM port and any warning icons. Open your compatible radio software, select the correct controller settings, and test the knob.

Keep the driver updated when Flexradio provides a compatible release that addresses your needs. Check the latest version against your operating system before you update, and retain a working installer in case you need to restore your previous setup.