Keys Fitness PRO 550 User Manual download pdf (Page 10)

Adjusting the Incline – PRO 450 Only

1) Raise the treadmill to the upright position, making sure the safety latch engages.

2) Pull the round black pop pin handle. With the other hand, grab one of the wheels to use as a lever. Adjust the

incline by moving the wheel up or down. You will see three holes for the different adjustment positions.

3) Set the pop pin to the desired position. The three positions, in percent of grade, are approximately 0, 5, & 10%.

Make sure the pop pin ‘sets’ correctly into the hole. If the round black pop pin handle protrudes from the housing, it

has not been set.

Adjusting the Incline – PRO 550 Only

The PRO 550 is equipped with electric incline. Push the ‘Incline’ button to increase

grade, and the ‘Decline’ button to decrease grade.

Incline Adjustments

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Keys Fitness PRO 550 User Manual Page 10