Hidden TouchKey appears shortly on the operating page (elimination)

Which products are affected?
ESP-HMI1-P (HMI Designer Version 1.6 with Service Pack 2)
EPM-H502 (touch screen)
EPM-H505 (touch screen)
EPM-H510 (touch screen)
EPM-H520 (touch screen)

Eliminated function restriction:
A TouchKey is not indicated and it is deactivated when being hidden due to the value of the corresponding threshold variable. This status does not even change for a short period of time if the operating page is opened.
If a TouchKey is deactivated due to the value of the corresponding threshold variable, the function of the TouchKey is executed when being activated.

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/200500424/1/
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