Normally, Zx function Keys work as navigation keys. They can also be used in a control diagram while developing logic with
zeliosoft2. In this configuration, they operate as pushbuttons.
In RUN mode, when the inputs-outputs screen, TEXT screen or DISPLAY screen is active, the numbers of the Zx keys used in the
program are displayed in the contextual menu line. On selecting key, particular key is activated and so that Zx – key contact gets
activated with program without the need to use of external push button at logic input terminals.