Climber RESISTANCE Changes the height of the column and affects the Custom Program step resistance. 4. When you have set the column height, press the down arrow key on the navigational keypad to move to the next column. You can press the up arrow key to return to previous columns. 5. Continue adjusting the profile for each column. Note: Two custom programs are available on the treadmill. Some Precor products contain only one custom program. The prompt indicates which one you have accessed. To se