Stihl is one of the world’s leading power equipment manufacturers, and for good reason. The German brand has dedicated the last century to producing products that are efficient, durable, affordable, and easy to use.On any Stihl machine the on position of a switch is signified by the I or 1 symbol and the off position or kill switch position is designated by the O symbol. This is also true for most brands of landscaping equipment or many other types of electrically powered items.Of the four dedicated focuses listed above, our focus today is on the latter quality, as we zoom in on how easy it is to get your Stihl machine up and running. We will be talking about the meaning of on-off symbols before we take a look at the overall functionality of a trimmer switch and some common problems with kill switches.Let’s begin.ContentsStihl On-Off Switch SymbolsWhile starting or shutdown sequences may vary across individual machines, pretty much every Stihl machine we can think of has an on-off swit...