... 2multi-role catalogue 3,liner error compensation 4,axis:1,2,3 drofunction 1:zero clearing 2: ... disturbance,durable keyboard,easy to change5,the catalogue is multi-role .6,automatic tool compensation for both X ... readout landing well 2.Check 220V powerone axis does not count1.Exchange the linear scale with ... anther axis,whether count 2.the digital readout is under ...