Splitter on Mute - does it stop the Split at the Split?

I put a splitter between rows 1 and 2. I noticed you can “put the splitter on MUTE”; or at least there’s a mute button on the screen. When you press it - you see a pink circle with an ‘M’ (I assume that means Mute); HOWEVER you don’t see it at the splitter - you see it at the end or output of row two.

What isn’t clear - if a splitter is on mute - does the signal still get sent to or through the split? … or… is the only that happens is the output of the ROW the signal is sent to is turned off (muted)