Function of feedback of high accuracy complete closed circuit. This system can accept those who come from driver of servo electric machinery to emulate coder signal to form half closed circuit, also can accept the positional signal that comes from grating feet to form complete closed circuit. Still can accept increment signal and absolute value signal. Additional, OK and aleatoric software installs the resolution of positional signal 1nm.

Special logo function. This system can is opposite already athletic contrail is local undertake graphic representation magnifies, need not break enlarge to arrive on screen again. 1 millimeter represents 1 μ ｍ , the result that will magnify inspection bereau ministry is machined.