Calibrating Elevation on 440T and 510 Trotter Treadmills

Procedure

1. Press SHIFT and SPEED DOWN until D1 appears.
2. Press START three times to select D4.
3. Press and hold the DOWN ARROW until the treadmill stops then slightly rises.
4. Press the SPEED DOWN and this will set the lower limit.
5. Press and hold the UP ARROW until the treadmill stops then slightly lowers.
6. Press the SPEED UP and this will set the upper limit.