digital readout meter 1, power off Memory 2multi-role catalogue 3,liner error compensation 4,axis:1,2,3 digital readout and scale1:zero clearing ... Other area of linear scale and rotary encoderadvantage:1,the high precision digital readout is specialization design,elegant appearance ,high speed ... 8.Reading head is broken down 1.make sure he lathe and the digital readout landing well 2.Repair the lathe ...