![](http://pdfasset.owneriq.net/a/66/a6696f3e-ad8c-4a18-b9b2-184b044b1616/a6696f3e-ad8c-4a18-b9b2-184b044b1616-bg1b.png)
When changing the Touch Interface (RS-232 or USB), please follow
instructions below.
1. Uninstall the touch driver.
2. Re-start the computer.
3. Remove the original Touch Interface (RS-232 or USB).
4. Connect the computer to the Touch Interface (RS-232 or USB) that you would like to use.
5. Install the Touch driver, then follow the step-by-step instructions as show on monitor.
PLEASE NOTE!
Don’t plug in both the RS-232 and USB cables!
Doing so may cause a driver confl ict, making your touch screen inoperable.
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