![](http://photos1.blogger.com/blogger/1520/2164/200/advanced.jpg)
Some have very few possible configurations, and one, KEEP ALIVE, has nothing to configure. KEEP ALIVE simply overrides the default sleep setting on the NXT brick (just in case you need a bot to stay awake beyond the sleep setting).
In the figure, each block is labeled in the upper-left corner of its settings panel.