Cybex 425T Treadmill Owner’s Manual
Operation
Page 3-9
The degree of incline can be related to % grade by taking the Arctangent of the grade. For instance,
15% grade is equal to 8.53 Degrees (ArcTan(.15)=8.53º). The opposite is true to determine % Grade
from Degree of incline (Tan (8.53º)=.15).
Use of Programs
WARNING: Obtain a medical exam before beginning any exercise program. Begin comfortably
with a lower level and progress with higher levels as you become acclimated.
With the 425T, you may choose from eight different programs as well as Manual and HR Control.
The program choices are summarized as follows:
Quick Start You control speed, elevation. Adjust time and weight.
Manual Mode Enter time and weight. You control speed, elevation.
Speed Interval 1 (P1) 10 Levels Select time, level and weight.
Speed Interval 2 (P2) 10 Levels Select time, level and weight.
Hill Interval (P3) 10 Levels Select time, level and weight.
Pikes Peak (P4) 10 Levels Select time, level and weight.
Rolling Hills (P5) 10 Levels Select time, level and weight.
Hills (P6) 10 Levels Select time, level and weight.
Weight Loss (P7) 10 Levels Select time, level and weight.
Cardio (P8) 10 Levels Select time, level and weight.
HR Control Select time, target heart rate and weight.
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