Well that's a shame
@masso-support. Those parameters are pretty standard on other CNC controls. I have some G-Code that made use of G38.2 with parameters #1001 thru #1005 and simple math to establish the center of a pocket or hole. Maybe you can make use of this G-Code for your additions.
N010 G90 G94 G17
N020 G20
N030 M05
N040 M09
N050 T0 M06
N060 G91
N070 G0 Z
N080 #1001=
N090 #1002=
N100 #1003=
N110 #1004=
N120 #1005=[/2.0 - #1004]
N130 G0 X#1001 Y#1002 (move above nominal hole center)
N140 G0 Z#1003 (move into hole - to be cautious, substitute G1 for G0 here)
N150 G38.2 X[#1001 + #1005] (probe +X side of hole)
N160 #1011=#5061 (save results)
N170 G0 X#1001 Y#1002 (back to center of hole)
N180 G38.2 X[#1001 - #1005] (probe -X side of hole)
N190 #1021=[[#1011 + #5061] / 2.0] (find pretty good X-value of hole center)
N200 G0 X#1021 Y#1002 (back to center of hole)
N210 G38.2 Y[#1002 + #1005] (probe +Y side of hole)
N220 #1012=#5062 (save results) N210 G0 X#1021 Y#1002 (back to center of hole)
N230 G38.2 Y[#1002 - #1005] (probe -Y side of hole)
N240 #1022=[[#1012 + #5062] / 2.0] (find very good Y-value of hole center)
N250 #1014=[#1012 - #5062 + [2 * #1004]] (find hole diameter in Y-direction)
N260 G0 X#1021 Y#1022 (back to center of hole)
N270 G38.2 X[#1021 + #1005] (probe +X side of hole)
N280 #1031=#5061 (save results)
N290 G0 X#1021 Y#1022 (back to center of hole)
N300 G38.2 X[#1021 - #1005] (probe -X side of hole)
N310 #1041=[[#1031 + #5061] / 2.0] (find very good X-value of hole center)
N320 #1024=[#1031 - #5061 + [2 * #1004]] (find hole diameter in X-direction)
N330 #1034=[[#1014 + #1024] / 2.0] (find average hole diameter)
N340 #1035=[#1024 - #1014] (find difference in hole diameters)
N350 G0 X#1041 Y#1022 (back to center of hole)
N360 M30
