View and Download PROFORM CROSSWALK ADVANCED 525s user manual online. 831.295040. CROSSWALK ADVANCED 525s Treadmill pdf manual download.This feature is not available right now. Please try again later.View and Download ProForm 525 SI user manual online. 525 SI Treadmill pdf manual download.View and Download Pro-Form CrossWalk Advanced 525x user manual online. CrossWalk Advanced 525x Treadmill pdf manual download.And when you’re not The serial number can be found on a decal attached to exercising, the unique 525 can be folded up, requiring the treadmill (see the front cover of this manual for the less than half the floor space of other treadmills.The Pro-Form Crosswalk 525 Advanced treadmill is a machine designed for at-home use. Instead of providing only a lower-body exercise, the Pro-Form 525 has arm bars with resistance that you move as you walk. The bars provide additional strengthening and calorie-burning benefits.