Add an event command to calibrate the touch screen

Add an event command to calibrate the touch screen of the HMI device. The
Calibrate Touch Screen
command displays a red target on the screen of the HMI device. At runtime, press and hold the center of the target until the target turns white and another red target appears. Continue pressing and holding the centers of all remaining targets as they appear. All processed targets are replaced with white targets. A green circle with a check indicates a successful calibration.
A red circle with an X indicates a failed calibration. If a red circle with an X appears, perform the event again to calibrate the screen.
Prerequisites
Create an event to trigger the command:
  • Touch press.
    Occurs when touching the item on the screen that is configured with the event.
  • Touch release.
     Occurs when releasing the item on the screen that is configured with the event.
  • Key press.
    Occurs when pressing the specified key.
  • Key release.
    Occurs when releasing the specified key.
  • Button behavior
    Occurs when releasing the button.
  • Project event
     Occurs when the executing condition is met.
To add an event command to calibrate the touch screen
  1. Select the graphic element configured with the touch or key event.
  2. In the
    Properties
    pane on the
    Events
    tab, select
    Add Command
    .
  3. Expand the
    HMI Device Configuration
    category and select
    Calibrate Touch Screen
    .
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