The Start Time Picker can be used to set the the Start Time of the Time Range that is to be displayed in the Overview Chart. Similarly the End Time Picker can be used to set the End Time of the Time Range that is to be displayed on the Overview chart. The Historical Specification combo box can be used to choose the historical specification that is used on the time range. To change the Time Range on the Overview Chart the Get Data button is to be pressed. The Get Data button will not be visible if the currently chosen Time Range is less than 10 samples.
