in this case, what does"Pre-Installed" mean

[anon125]

https://usa.yamaha.com/products/musical_instruments/keyboards/arranger_workstations/psr-sx900/vse.html

some are called Pre-Installed. if they are already in the sx900 why are they here?
why cant i unzip them?
one opened with a warning.

i am new to all this.

thanks



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[EileenL]

You can only open these files in YEM. There are four packs installed in your keyboard. If you wanted to install some new packs they would over right these so they have also given them to you in a download which you can install into your YEM so that you can then load all the packs you want in one go.

[anon125]

Thanks
how do i know what is there before i overwrite them?

[EileenL]

Four packs are already loaded into your keyboard. to see them press the Expansion/User button on voices or styles and then open the folders.

[anon125]

AHA! found them! now i need to know  how to copy them so i can put them back.
thanks Eileen

[EileenL]

On the Download page you will find these packs to download and put into your YEM so that you can mix them with other packs you may have.

[Ingar]

Prs sx 900 is a great keabord, but what I don`t like about Yamaha generally is that you have to have a computer, you have to download apps to a computer, you have to transport things for keyboard to computer, load  it in the app and work with them, you have to transport them back to keyboard. It is to much "have to". All of this should have been possible to do direct on the keyboard. Sorry Yamaha, I think it is not good enough.

Regards Ingar

[RagJose]

On the Download page you will find these packs to download and put into your YEM so that you can mix them with other packs you may have.

Excuse me, Eileen, which Download page were you referring to?  I can't seem to find my pre-installed Expansion packs anywhere.

[overover]

Excuse me, Eileen, which Download page were you referring to?  I can't seem to find my pre-installed Expansion packs anywhere.

See the link in the first post.

Best regards,
Chris

[EileenL]

Hi Chris,
  The download is on the first post of this page so I did not think it necessary to post it again. Just download them and import them into the YEM so they are there if you need them.

[RagJose]

Thanks, Eileen, sorry for the overlook...