Beijer Electronics EPC TA100 AM EN - Manual (Page 21)

Hardware Replacement
1. Press the first calibration point until the Release message appears.
Touch calibration point
If you release the calibration point too early, an error message is displayed.
2. Touch the following nine touch calibration points as they appear on the
screen, and release them as the Release messages appear.
When touch calibration has been performed successfully, a confirmation is
displayed.
Beijer Electronics, MAEN043 21