Add two switches, and bbel them A and B$.$ You can libel a switch by first elicking on the Label$/$ bertton to the left and then clicking on the siviteh. A new editing box coens above the siviteh. Tyre in $"A"$ and press the Enfer key. Do the same thing for the bottam soiteh, calling it $"$B$."$ When you are done labeling elick the Lebd buttan again. As always, you can see if a hutton is enubled because its name will have an asterisk to the left.