Precor Precision Series Owner's Manual page 46

Precision Series / Energy Series EFX Owner's Manual:: EFX 447 / 245
In addition, if you are signed in under your user profile,
you can change the following:
Target heart rate (except for heart rate controlled

workouts)
SmartRate activation / deactivation

Figure 27: Select Workout
Changing Your Workout Length
The normal length of your workout (the default
duration) is preset to 30 minutes. If you want to choose
a different amount of time, you can do that after you
have started your workout.
To change the length of your current workout:
1. At the main workout screen, touch Change Time.
Figure 28: Change Time button
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