1. To adjust the length of the top arm: Loosen both screws in the holder with the enclosed tool. Pull the arm upward to maximum length. Place the device in the holder. Turn the swiveling top part over the device and press it downward. Carefully turn the swiverling top part away from the device and remove the device without changing the position of the arm. Tighten both screws in the holder to lock the position of the top arm.
