I wonder how many of us "home" builders actually do inhibit the spindle during tool change? On my mill, I've configured the M6 macro to go to the tool change position, wait for manual tool change and hit the "change done" button (pop-up menu), then automatically set tool height via the tool-setter. On the router, I skip the tool-setter bit 'cos it doesn't have one. In both cases, I rely on the software/hardware not to spin up the spindle while I'm changing the tool. I'm sure that that is not acceptable in an industrial setting. Is that what everyone else does?