User`s guide

10 Graphical User Interfaces
After you create a Simulink model, you can mark the block signals. This
procedure uses the model
xpctank1.mdl (or xpc tank .mdl)asanexample.
See “Creating a Target Application Model” on page 10-6.
Note that you cannot select signals on the output ports of any virtual blocks
such as Subsystem and M ux blocks. Also, you cannot select signals on any
function-call, triggered signal output ports.
1 Open a Simulink model. For example, in the M ATLA B Command Window,
type
xpctank or xpctank1
2 Po in t to a Si m ulink signa l line, and then right-click.
3 From the m enu, click Signal Properties.
A Signal Properties dialog box opens.
4 Select the Documentation tab.
5 In the Description box, enter a tag to the signa ls for th is line.
10-10