LifeSpan TR5500iM Owner's Manual page 27

Operations
Quick Start
To just start working out without any setup, simply press the QuickSTART button
on the home screen and a countdown will begin to start your workout.
When using QuickSTART, the time will count up from 0:00 keeping you fully in
control of the speed and incline. When finished press Stop to go to the summary
screen.
30