Panasonic TY-TP42P30K Installation Manual (Driver) page 12

At the end, a prompt screen for restart appears. Click [Yes] to restart the computer.
The driver software starts the operation after the computer is restarted.
When the touch panel driver is used for the first time, the Calibration screen appears after the
driver software is started.
After the calibration, the touch panel is ready for use.
Refer to "5-6. Calibration" for more details about calibration.
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