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(2) a. Place the camera lens vertically upwards, determine the camera's center of
gravity.
b. Unlock the quick release plate safety lock ①, balance the camera position.
c. Tighten the quick release plate safety lock ① and tilt the camera up or down, if
it stays stable, it means balanced.
2.7.2 Balance Adjustment of the Rolling Axis
a. Tighten the tilt axis positioning lock ①, release the roll axis positioning lock ②,
and observe the camera tilt state.
b. Loosen the cross arm lock screw ③, slide the cross arm ④ to balance the
camera position.
c. Tighten the cross arm lock screw ③ and tilt the camera to the left or right, if it
stays stable, it means balanced.