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Introduction
Personal
Power Fine
Control
CS 8.0 Owner’s Guide
Personal Power Fine Control
32
Manual Control can operate three different ways: Personal Power
Fine Control, Bike Mode, and 10-watt mode.
In all modes, change levels either by using the , keys, or
entering a workload level with the numeric keys and pressing
.
This default manual control has 77 different levels (for a 150-
pound rider), allowing you to fine-tune your workout. Since
Personal Power is used, the number of levels available decreases
for larger riders. This mode uses constant power workload
control (see Appendix C
).
The second mode is Bike Mode, which simulates a 21-speed
road bike, compensating for body weight with Personal Power,
simulating air resistance, and computing speed correctly for the
selected gear and cadence. The 21 “gears” are like that of a bike
that has gearing from 50 to 105 inches.
Bike Mode uses constant torque (see Appendix C), then adds
additional workload for the simulations and compensations. The
calculations are adapted from the power formulas in Bicycling
Science, the leading reference in this field (see Bibliography).
The final mode is a conventional 10-watt increment constant
power mode.
Bike Mode
10-Watt
Mode