DRO 40i DRO for 2 and 3 axes milling machines and boring mills: Innova 40i Preset function Absolute, Incremental and Io reference (home) signals Resolutions from 0.1 microns on Feedrate and movement alarms Axis coupling Hysteresis factor Linear axis sag compensation Calculator function Easy setup and diagnosis Energy saving mode Software limits Multi-point compensation PC communication through a USB adapter Bolt-hole drilling Linear drilling calculation Grid pattern drilling Go to a particular position Axis feedrate display On-screen guided help, with graphics Tool radius compensation Part centering Up to 100 tool references Part alignment Corner rounding/machining of arcs CE and UL certified 5.7" color TFT screen