50g - strange power on problem

[Gerson W. Barbosa]

(04-18-2017 12:40 AM)Han Wrote:  

(04-17-2017 10:31 PM)Dave Frederickson Wrote:  Volatile memory is maintained by a coin cell while the main batteries are being changed. Why a super cap? Seems unlikely.

Dave

What maintains the RAM when you are changing the coin cell?

The main batteries, I presume.

---------------------
Memory Backup
battery!!
Please don't
remove the main
batteries while you
replace it
---------------------

I haven't checked how long memory is preserved when all batteries are removed, though.