Thanks for your answer
I have many questions today as well.
The First question.
I saw this post. Is there a reason why I must always use this product for batteries?
The Second question.
To factory reset, first press the reset button once.
Then press the Gfg button for 15-20 seconds and after 5 seconds
Is it correct to hit the reset button?
The third question.
To enter configuration mode, can I just press the Cfg button for 5 to 6 seconds?
To exit configuration mode reset button by
for 2-3 seconds
Should I press it?
The fourth question.
Is it possible to use Alpha Station by connecting the PR5561-E sensor in series?