You can use the KT utility script to get to know the VB.NET names of the keys on your keyboard (to enter in the Key="..." property of the key mapper section - see Finding keyboard and mouse shortcuts in the configuration).
1.Run Ted4, and then display Script Editor.
2.In Context, select ShellWindow.
3.Under Command, enter kt.
4.Click Execute.
5.Press a key on the keyboard, and it's VB.NET name appears in the title bar.
6.When done, close the KT dialog.