If frequency measurement is enabled, this tab is also displayed.
Name
You can enter a signal name here, as well as two comments, by clicking on the 
icon in the Name field.
Unit
The unit "Hz" is preset.
Interval
You can select the measurement interval from a dropdown list: 1s or 10 s (according to DIN EN 61000‑4‑30).
Active
You can enable or disable the signal here.
Actual
Displays the current signal value.
You can show or hide additional columns, if available, using the context menu (right-click in the header).