Quick guide to leg supports are dynamic when the red star wheels are loose. You can fix them in any angle by tightening the red star wheel. Dynamic System wheelchair chair back functions Activating the dynamic chair back: Pull the right handle firmly. It will stay in the pulled in position; the chair back cylinder is activated and the chair back is dynamic. Locking the dynamic chair back: Pull the right handle together with the little red handle and let loose. The chair back is now locked. It will stay in whatever position it is when the handle is released. calf supports Depth adjustment Height adjustment Maintenance Due to heavy use wheelchairs with Netti Dynamic System require regular maintenance. In particular trembel and continous pulsing movements can cause screws to become loose. Check screws and tighten if necessary once a month. pelvic stabilizer Fix the belt to the upper hole on the belt bracket. Adjust the position of the belt bracket by loosening the lower screw and push or pull the bracket until the belt crosses the thigh in 70-90° angle and hold it firm against the seat plate. Foot plate Locking: let the bolt on the foot plate fall into the lock on the right leg support. Turn the rifled locking ring forward to lock and backwards to unlock. Length adjustment: Loosen the screw and pull or push to desired length. Tighten well. Seat plate Locking function: Pull out the quick release bolt from the upper hole and push it in the lower hole crossing under the seat frame tube. The illustration shows how the seat plate is released again. UM0116 POSTER UK 2018-04 Please study user manual UM0115 for detailed description of dynamic leg supports. Please study user manual UM0116 for detailed description of Netti Dynamic System