Got a question. The manual says:

The bridge needs to be situated so the saddles are at a position that allows them to be
adjusted for setting the intonation later, so set the saddles to the middle of their adjustment
and check that it is approximately at the end of your scale length.
What does it mean to "set the saddles to the middle of their adjustment"? (I'm not even sure what a saddle is on a Floyd Rose bridge). This is a pic of my bridge.
Click image for larger version. 

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Thx!