Calibrating Elevation on 525, 545 and 585 Trotter Treadmills

Procedure

1. Press ENTER and STOP at the same time and hold for 5 seconds until the number appears.
2. Press and hold the DOWN ARROW until the treadmill stops then rise slightly.
3. Press ENTER and DOWN ARROW at the same time, this will set the lower limit.
4. Press and hold the UP ARROW until the treadmill stops then lower slightly.
5. Press ENTER and UP ARROW at the same time, this will set the upper limit.