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The top of the forecast panel shows a button bar. By default this button bar will look like this.
The pencil The 
icon indicates that the IFD is edit-mode, this means that the forecaster is allowed to create modifiers.
By pressing this button the IFD can be set in read-only mode.
The second The 
icon can be used to start runs in IFD-mode. When a leaf node is selected the workflow of the selected node will run.
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The save icon can be used to promote a local IFD run to a server run. The last button 
button can be used to start a run at a FSS.
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