I am having a problem registering an HIIT session which takes 40 sec intervals and 20 sec rest. I can in the custom setting enter 40 seconds but the timer starts running at 60minutes instead of 40 seconds. I run version 9.37

I am having a problem registering an HIIT session which takes 40 sec intervals and 20 sec rest. I can in the custom setting enter 40 seconds but the timer starts running at 60minutes instead of 40 seconds. I run version 9.37