We've just got one installed Paul.
Sited in a public area between Bar & Pro-shop whose Staff have had training.
Club Members have been informed by email that it's the 'Higher-end' Unit that talks you through the process should it need to be used by an untrained person & would no doubt assist a trained-person in the panicky situation.
We have one in the clubhouse, adjacent to the back of the bar, so indoors. All the staff have been trained on their use (as I have as part of my mandatory NHS training) and we're another that has a unit that will issue instructions to non-trained users.