![background image](http://html1.mh-extra.com/html/acer/smart-touch-kit-ii/smart-touch-kit-ii_user-manual_3983918031.webp)
Troubleshooting Guide
Hand touch operation is not working properly
When opening the software, if you encounter the following error message “Not
a valid USB Key for hand touch whiteboard”, please do as follows:
Open “Device Management” and click the “Image Device” option. Check
for a hardware device named “USB2.0 PC Camera”.
If you can locate this device, please bring camera back to the factory for
repairs.
If you cannot locate this device, please check the connections for the
camera and the computer.
If there is no problem with the connection, please reconnect using
another USB port.
If there is no problem with the USB port, Please reconnect using another
USB cable.
If there is no problem with the connection, please reconnect using
another camera.
Please contact the factory if the problem persists.
When auto-calibration is successful, there is
inaccuracy with mouse pointer and finger or IR pen
Open “Tuning Webcam Image Mode” from the “Installation and
Debugging” menu. Check whether the webcam image is displayed in
correct proportion.
Open “Tuning Laser Transmitter Image Mode” from the “Installation and
Debugging” menu. Check the laser beam is within 4mm above the
projection screen.
Please contact the factory if the problem persists.
28