On Wed, 19 Sep 2018 12:08:41 +0100, Jim GM4DHJ ... wrote:

Depends on what is producing your false alarms.

Burnt toast is different to steam etc.

He was given already all the right answers, senile Rot! So what makes you
think it is important that YOU still have to have your say, you abnormal
85-years-old Ozzie *******?

that is not very nice

Right!