Casio CZ/ VZ/ FZ - Pro Series

Some diagnostic questions:

(1) Do patches save OK to internal memory?
(2a) Are there batteries in the cartridge?
(2b) If there are, are they any good?
(3) What model is the cartridge?

--- In CZsynth@yahoogroups.com, "runbeerrun" <runbeerrun@y...> wrote:
>
> I create patches on my CZ-1000, turn off write protect and save them 
> to the cartridge. Then I flip back and forth betweenb presets, and 
> saved patches on the cartridge, and eventually the cartidge presets 
> all turn into noise.
> 
> Is the cartridge faulty?
>