Chapter 11  Convenient Functions 
11-43 
Once a node is selected, the node will be designated as a data demanding node. After the users click a device 
block in the node selected, a blue cursor will appear. After the users click a device block in another node (a data 
supply node), a green cursor will appear. The users can only click a device block in a data supply node. They 
can not select the node, otherwise the node will be designated as a data demanding node. 
 
 
The users can click 
  to add a new piece of data to the data exchange table. The data includes the data 
demanding node, the node number assigned to the data demanding node, the data supply node, the node 
number assigned to the data supply node, and the device types selected. The users can refer to section 16.4.3, 
and set the other cells.