S&S Cycle TUV T124 CLVFI Engine User Manual
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7. Windows Vista® users may have the following warning appear during the USB driver installation. Select Install this driver software
anyway.
8. The Pro Tune II installation is complete. Select Finish to exit the Setup Wizard.
After the installation, the Pro Tune II program icon will appear on your desktop. Double-click this icon to start Pro Tune II. You can also find Pro Tune
II in your Programs menu under the program group ‘S&S Cycle’.
B. Connecting to the ECU
1. Install the ECU following instructions on page 2.
2. Connect the USB cable from the ECU to any USB connector on your computer.
3. Launch Pro Tune II. When there is no ECU communicating with the PC, the communications status box at the bottom-right corner of the
screen will flash between blue and black and alternate between the messages No ECU on COM1:, Checking COM1:, No ECU on USB, and
Checking USB.