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Pre-Set Program Profiles
OPERATION IN GREATER DETAIL
550ZTX Treadmill Owner’s Guide
31
OPERATION IN GREATER
DETAIL
Level
Speed (MPH) Grade (%)
Min Max Min Max
1 2.0 2.4 1.0 4.0
2 2.2 2.8 0.5 5.0
3 2.6 3.2 0.5 6.0
4 3.0 3.6 1.0 7.0
5 3.4 4.2 1.0 8.0
6 3.8 4.6 1.0 9.0
7 4.0 5.0 1.0 10.0
8 4.4 5.4 1.0 11.0
9 4.8 6.0 1.5 12.0
Cardiovascular Workout
Green is Incline
Red is Speed
Level
Speed (MPH) Grade (%)
Min Max Min Max
1 2.0 2.4 2.0 4.0
2 2.2 2.8 3.0 5.0
3 2.6 3.2 4.0 6.0
4 3.0 3.6 5.0 7.0
5 3.4 4.2 6.0 8.0
6 3.8 4.6 7.0 9.0
7 4.0 5.0 8.0 10.0
8 4.4 5.4 9.0 11.0
9 4.8 6.0 10.5 12.0
Speed Interval Workout
Green is Speed
Red is Incline