Erhardt-leimer Do 3001 Manual -

At its heart, the is a sensor system designed for rapier and projectile weaving machines. Its primary function is deceptively simple: it monitors the presence and movement of the bobbin thread (weft yarn) during the weaving cycle.

The DO 3001 must learn the material edge or line. The manual calls this "Teach-In". Procedure: Erhardt-leimer Do 3001 Manual