digital readout meter 1, power off Memory 2multi-role catalogue 3,liner error compensation 4,axis:1,2,3 digital readout ... scale and rotary encoderadvantage:1,the high precision digital readout is specialization design,elegant appearance ,high speed of numeation,multy function2, ... is not well1. check whether the lathe and the digital readout landing well 2whether the shielding line inputting connected ...