Casio CZ/ VZ/ FZ - Pro Series

I posted this at work and now I realize my synth is a CZ-1!!!   How would I restore one of these to the factory presets?

--- In CZsynth@yahoogroups.com, Lee Borrell <templarser@...> wrote:
>
> To my knowledge - insert a pen/pencil/sharp object into the P button on the base of the unit when powering on - this will return it to basic settings.
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> ________________________________
>  From: noisepenguin <noisepenguin@...>
> To: CZsynth@yahoogroups.com 
> Sent: Wednesday, 18 July 2012, 16:11
> Subject: [CZsynth] Old CZ1000, factory patches help
>  
> 
> Â  
> Hello, I have an old CZ1000 that I would like to reset to the factory presets.   Right now the sounds are not all correct, some patches are but some patches are wonky.  How would you do this?
> Thanks
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