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Calibrate the screen by performing the following procedure:
1.
Press the
CONFIRM CALIBRATE THE TOUCH SCREEN
button.
The calibration screen appears with text requesting to touch the four numbered reference
points that appear on the screen.
2.
Touch the four reference points in sequence 1 to 4, as they light up.
The application will determine whether the sequence is carried out correctly. If the text
VALID CALIBRATION
appears, then the calibration is performed accurately.
3.
Test calibration for accuracy by dragging a finger across the screen.
The line that appears on the screen should follow the finger.
4.
Press the
ACCEPT
button if calibration is correct or touch the
AGAIN
button to repeat the
calibration procedure.
If the text
INVALID CALIBRATION...PLEASE RETRY
appears, touch the
AGAIN
button to
repeat the calibration procedure.
