... , with clear and simple man-machine interface3.Simultaneously displaying time, speed, heart rate, caloric consumption, climbing height, step numbers and ... progress.7.Infrared safety protection function, shielding can be selected.8.LCD touch-control as well as key control, easy ... 6m/min~20m/min (50-160 step/min), maximum speed being settable.8.Speed-limit adjustment interval: 0.1~2m/min, being settable ...