Yamaha PSR-A2000 Owner's Manual page 40

Song, Style or Registration Memory containing Expansion
Voices or Styles
Song, Style or Registration Memory containing any Expansion Voices or
Styles will not sound properly or cannot be called up, if the Expansion Pack
data does not exist in the instrument.
We recommend that you record the name of the Expansion Pack when you
create the data (Song, Style or Registration Memory) using Expansion
Voices or Styles, so that you can easily find and install the Expansion Pack
when necessary.
1
Uninstalling an Expansion Pack
This operation deletes all the installed Expansion Voices or Styles.
1
Call up the operation display.
[FUNCTION] → [J] EXPANSION PACK INSTALLATION → TAB [E][F]
USER
2
Press the [5 ▼] (UNINSTALL) button to uninstall the Expansion
Pack.
Follow the on-display instructions.
3
Press the [F] (YES) button when the message indicating
completion of the uninstall operation appears.
The instrument will be restarted automatically.
40
PSR-A2000 Owner's Manual
2
NOTICE
The instrument will be restarted
when the uninstallation opera-
tion is completed. Save all data
currently being edited before-
hand, otherwise the data will be
lost.