This part of the screen allows you to create and edit CTG traces as well as preview CTG traces.
The top black banner is where the Maternal Flags are located.
When in Maternal Editing mode, tap in this banner to add or edit a Maternal Flag.
The main part of the screen is the CTG trace.
The interaction with the trace is dependent on the editing mode selected.
In FHR editing you would be able to change the baseline and variability as well as add new FHR shapes.