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The Leica GEV189 (734700) USB download cable is fully compatible with Windows 10. While earlier versions of the driver were designed for Windows XP and 7, modern installations on Windows 10 typically use updated FTDI or Prolific chipset drivers to enable data transfer between Leica total stations and PCs. Download Sources for GEV189 Drivers
: You may need to restart your computer or log off and back on for Windows to fully assign the new COM port number Repeat Process
COM Port Check: Once installed, the cable will appear under Ports (COM & LPT). Note the COM port number (e.g., COM3) for use in your surveying software.
Q4: My programming software says “Access denied” to COM port.
A: Run your programming software as Administrator. Also ensure no other software (like a terminal emulator) has the port open.
