SUUNTO T1C User Guide - Manual (Page 20)

To provide even more useful and accurate guidance, Suunto t3d and t4d also use a
different measurement called Training Effect. This measurement determines the impact
of a training session on your aerobic fitness using a simple 1-to-5 scale.
Description Result Training Effect
Improves recovery ability; in longer sessions (over
one hour) also improves basic endurance. Does not
significantly improve aerobic performance. Minor 1.0-1.9
Maintains aerobic fitness. Builds base for harder
training in the future. Maintaining 2.0-2.9
Improves aerobic performance if repeated 2-4 times
a week. No special recovery requirements. Improving 3.0-3.9
Rapidly improves aerobic performance if repeated
1-2 times a week. Requires 2-3 recovery sessions
(TE 1-2) per week. Highly
improving 4.0-4.9
Extremely high effect on aerobic performance if
adequate recovery allowed; should not be done
often Over-reaching 5.0
To train with a TE target level (Suunto t3d and t4d only)
1. Press [View Back] in TRAINING mode until you see the TE view.
2. Adjust the target level by keeping [Light -] pressed while in TE view.
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