ViewSonic VS15197 Service Manual page 80

HID Check
1.
2. Check the HID of touch screen is installed in the OS.
3.
0408, PID is depend on model)
4. If the device is detected, it means the controller board and
USB connection is normal.
ViewSonic Corporation
(Human Interface Device
)
79
Confidential - Do Not Copy
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VSD241/SD-A245/CDS245