Proform 420 Razor Manual
Proform 420 Razor Manual. View the Proform 420 Razor manual. The ProForm 420 Razor includes 4 personal trainer workouts and 2 Target Toning trainer workouts. It also has a heart rate monitor that is displayed on an LCD screen. The ProForm 420 Razor manual has instructions on how to use the elliptical exerciser, including how to move it, how to exercise on it and also how to adjust the stride of the elliptical exerciser. You are viewing the manual and parts listings for the Proform 420 Razor.