2) Safety tips:1. In case of being shaken, dismantle the device before up-down.2. In case of sliding, lock the handle tightly (like 4th sign), to adjust up-down by loosing one teeth. Grasp the up-down handle (like 5th sign) first, for stability before pressing on the positioning pin (like 6th sign).3. Step on the moving up-down pole (like 7th sign) during movement. Moving can be achieved by loosening the positioning screw and setting out the required positioning height, when the floor is not smooth.Advantages and service of product1. The joint for quick installation: equipped FARO device with fine matched screw holes, so there is no need for additional attachments.2. Tighten and secure the positioning screw with a spanner after positioning (like 10th sign).3. Paint rustproof oil on some of the parts while not in use for a long time (especially for part with 2nd sign).4. Products are under a 3-year guarantee for repair and 1 year for rust.Main structure and operation theory about up-down tripodThe up-down tripod consists of a holder, up-down pole, and moving wheels. Up-down tripod has the function of fixing up or down and moving to a particular position. For moving, step on the up-down pole (like 7th sign) near the wheels on the holder at right side. Step on it to lower and move forward to right, and then the up-down tripod can move. For no movement, point at up-down pole to reset, and then it will be fixed. For up-down pole up, firstly loosen the locking handle of up-down pole (like 4th sign) and put the swaying handle to the required position, then lock the locking handle. For up-down pole down, first loose the locking handle, hold the swaying handle and press down the gear positioning pin (like 6th sign), then it will come slowly down to the required position.