SAT batteries 9 volt?

[John Ross]

Hi Diane,
You won't get 2.5V from any AA battery.
When I used to replace the battery in my SAT, I used a battery pack from
Radio Shack.
The internal charging circuit in the SAT, utilizes the 9V supply to give
the original type batteries, the proper charge, even although the
voltage from the batteries is less.
Hoping this makes sense.
There is an internal, secondary battery, and a capacitor inside, that
may also need to be replaced. They are used to keep the RAM memory which
is required for the program.
If it dropped below the hold on voltage, you will have to send it back
to Inventronics, to be reprogrammed.
Regards,

John M. Ross
Windsor, Nova Scotia, Canada
jrpiano@win.eastlink.ca
----- Original Message ----- 
From: "DIANE HOFSTETTER" <dianepianotuner@msn.com>
To: <pianotech@ptg.org>
Sent: Monday, January 19, 2004 1:44 AM
Subject: SAT batteries 9 volt?


> Our apprentice, using my Dad's old SAT 1, tried to replace the
batteries.
> We searched the pianotech archives and he followed the instructions
found,
> but still he gets "LoBat" message after charging it for four days.
>
> Now our question is,  when he used 4 AA batteries, that only gave him
at the
> most 4.5 volts, but the charger we used with the SAT was a 9 volt
charger.
>
> Are there some kind of industrial quality batteries that give 2.5volts
in an
> AA size?
>
> Thanks for the help!
>
>
>
> Diane Hofstetter
>
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