Renishaw NC1 Programming Manual page 79

Examples
Profile checking a Ø20 mm (0.787 in) ballnose cutter
Check the profile is within ±0.05 mm (0.002 in)
The profile checking starts at 1 mm (0.040 in) radial from the cutter
centre and then moves around the 90° radius, and then a further
15 mm (0.591 in) up the diameter of the tool
%_N_????
T1
M6
D1
L9800
R18=10.R24=15.R05=1.R06=.05
L9865
M30
Cutter radius and linear profile checking
77