Pull the lamp stem injection were injection cylinder centered using a muzzle of the injection filling finger press the injection tube slowly until the press not to release the hand-holding and notice changes.
Pull the lever up in the middle of the syringe syringe stopper finger tip syringe into the syringe, slowly press down until the press release and notice the changes.
Pull the lever up in the middle of the syringe syringe filling the syringe on the finger to press the syringe to press down slowly until the hand press and observe the changes.