What actually does it do. I can fill in the form without an issue and even activate them. This is my problem
I thought I had successfully set it up to back 3 horses if they went 1.7 in-running. All seemed correct, set them to activate, one went 1.7 and nothing happened.
It was filled in something like this

What will the above do - nothing I am guessing - and what have I missed out? Am I right/wrong in thinking that it could back a horse if it got to 1.7 in-running? If so, what extra do I need to fill in?
Cheers
A correctly filled in .jpg of what I am trying to achieve - if possible - would be greatly appreciated.