Can M42 P2 S1 be used either at the start of the Gcode itself or in the user interface as a pre-script in order to turn on the light when it’s needed? The other bit I don’t fully understand is how it knows which output to switch i.e. H1 or H2. Is it only because it is preceded by a M307 switching off the H2? I’m trying to use both H1 and H2 to switch on the led and trip a SSR controlling the DeWalt. Do I just omit the M307 command in my case?
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Can M42 P2 S1 be used either at the start of the Gcode itself or in the user interface as a pre-script in order to turn on the light when it’s needed? The other bit I don’t fully understand is how it knows which output to switch i.e. H1 or H2. Is it only because it is preceded by a M307 switching off the H2? I’m trying to use both H1 and H2 to switch on the led and trip a SSR controlling the DeWalt. Do I just omit the M307 command in my case?