G21 G90 G17
(Source basis: LinuxCNC src/emc/rs274ngc/rs274ngc_pre.cc init reads [TRAJ] SPINDLES from INI_FILE_NAME.)
(Source basis: LinuxCNC src/emc/rs274ngc/interp_execute.cc assigns active_spindle for G95/G96/G97 with $.)
G97 S1000 $1
G96 S120 D2500 $1
G95 $1
M30