Simplex 4903 drill

Hello here is a link to my video of the simplex 4903 going off last time

what panel is it connected to?

Not sure

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thats a simplex 4007es

According to the documentation for that annunciatior it can be used with the 4007ES, the 4010ES, & the 4100ES, so it could be any one of those 3.

That’s interesting, I thought it only worked with a 4007es, where in the manual does it say that?

Hmm…now that I look it doesn’t seem like that’s actually mentioned anywhere: no idea where I saw that. I guess it is just for the 4007ES then.