■ How to Install the USB-COM Port Driver
1. Extracting file
- Execute downloaded file(usbcom.exe).
- The dialog window will displayed as follows,

- If you wish changing the default folder, push "Reference..." button.
- When you push "OK" button, the folder "USBCOM" is made in target folder(in the case of the above, "C:\My Documents"), and USB-COM Port Driver set is extracted.
2. Uninstall the old USB-COM Port Driver
If you already use the "USB-COM Port Driver",Please uninstall this old software as follows.
You use this software at the first time,install the USB-COM Port Driver, referring the user's manual.
Open the folder "...\USBCOM\UNINSTAL". (this is in your selection folder)
Execute "undwcom.exe". (About detail of "undwcom.exe",refer to "USB-COM_Port_Driver_Uninstallation_Guide.pdf")
3. Install the USB-COM Port Driver
Install the USB-COM Port Driver, referring the user's manual.