RIEVTECH STUDIO SOFTWARE MANUAL l Word Setting This operation is to change the value of a word register. l Trigger Macro This operation is totrigger a Macro. l Popup Window This operation is topop up a window. l Use Buzzer This operation is to make the internal buzzer of HMI to ring. l Play Audio This operation is to play an audio. 4.10.2.8 Data Sampling The "Data Sampling" is the data source of these components such as the "Trend Curve", the "Historical Data Display", and so on. You must create the "Data Sampling" before using these components. You can open the “ Data Sampling ” property TAB by clicking the menu command "Setup/ System Settings/Data sampling". It is shown as below. 412