SUUNTO t3d - Manual (Page 25)

The countdown timer to the right of the TE target value indicates how much time
remains for you to reach the target at your current heart rate (training intensity).
NOTE: You can change the main view of TRAINING mode to show the current (achieved)
Training Effect by keeping [View Back] pressed. Repeat to switch back to the heart rate view.
To set the Training Effect target:
1. Switch to the Training Effect view in TRAINING mode.
2. Keep [Light -] pressed to increase the TE value to your target.
3. Start the log recorder.
NOTE: You cannot lock the buttons while in the Training Effect view. Switch to another
view to lock them (then switch views again as desired).
Heart beat analysis technology producing Training Effect is provided and
supported by Firstbeat Technologies Ltd.
4.6 Using heart rate limits and zones
Heart rate limit and heart rate zone settings are defined in TRAINING mode settings.
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