HEIDENHAIN IK 5394-3D - Manual (Page 237)

3-65
Quadra-Chek ® 5000
Observe the three default probe groups: TouchProbe and StarProbe.
TouchProbe group
Touch probes have an internal switch that sends an electronic signal when the
probe contacts the part. This electronic signal allows the auto-enter feature of
the QC-5000 to automatically enter the point.
StarProbe group
Star probes are actually a variant of touch probes. Each star probes have five tips
arranged bottom, left, right, front, and back. These tips appear by default in the
StarProbe group.