o sub (cancel all Z offsets) G49 G92.1 G10 L20 P0 Z[#<_hal[axis.2.joint-pos-cmd]>] G91 F #<_hal[gmoccapy.searchvel]> G38.2 Z-5 G0 Z0.26 (custom value) F #<_hal[gmoccapy.probevel]> (PROBEOPEN block_down.txt) G38.2 Z-0.5 (custom value) (debug, Block Height=#5063) (PROBECLOSE) G0 Z4 G90 o endsub