Precor EFX 447 Owner's Manual page 54

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
Choosing and Completing a Workout
2. Use the up and down arrow buttons to increase or
decrease the length of your workout.
Figure 29: Change Duration screen
3. Touch Save to return to the main workout screen.
Note: Touching Back instead of Save returns you
to your workout without saving the changes.
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