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5-2-2
Adjust the tension of the legs:
Loosen the Velcro tape to adjust to the desired tension.
5-2-3
Back angle:
Back has stepless adjustment of the angle. First loosen the lock nut,
and then use tool to adjust back to the desired angle.
Steps:
a. Fold back to the position, use 3mm Allen wrench to loosen the
screws.
b. Move the sleeve to the thread hole and lock it with a 3mm Allen
wrench.
