iBike Gen III Operating Instructions Manual page 55

Where to find your TSS, IF and NP factors in your iBike screen
After each ride you'll find your TSS, IF and NP measurements in the Totals screens
(left arrow). Click the left arrow to find your scores.
Whenever you do a Trip Reset (press-hold center button, then click to confirm)
these three measurements will be reset to zero.
Summary
By looking at your TSS, IF and NP numbers after each ride you can track your
workouts based on data from your own personal FTP number. Furthermore, these
three metrics can be used to diagnose workouts and even prescribe rest days.
If you can normally ride two hours at an IF of .9, but today you really struggled, it
might be time for a couple of easy recovery rides (IF of under .7). Using this
information can make your iBike power data even more personalized to you, and
help you maximize the effectiveness of your training.
For more detailed explanations of NP, IF, and TSS, see the Trainingpeaks article at:
http://home.trainingpeaks.com/articles/cycling/normalized-power-intensity-factor-
training-stress-score.aspx
TSS™ is a trademark of Peaksware, LLC
Training Stress Score™ is a trademark of Peaksware, LLC
IF™ is a trademark of Peaksware, LLC
Intensity Factor™ is a trademark of Peaksware, LLC
NP™ is a trademark of Peaksware, LLC
Normalized Power is a trademark of Peaksware, LLC
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Copyright Velocomp LLP 2005-2011