The table up/down:Press the “Master Up” or “Master Down” button on the “hand-held controller” to raise or lower the stage.The forward and backward inclination of the table body,Press the "Flip Back" or "Back Tilt" button on the "hand-held controller" to achieve the front and rear tilt of the desk.Press the “Left” or “Right” button on the “hand-held controller” to achieve the left and right tilt of the desk.