Apple Logic Express 9 - Manual (Page 274)

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Set the default size for plug-in windows in the Logic Express > Preferences > Display >
Mixer pane. This scaling applies to all plug-ins.
Adjusting Plug-in Parameters
This section briefly describes common parameter elements you will find in Logic Express
plug-in windows. Full details on the parameters of each individual plug-in can be found
in the Logic Express Instruments and Logic Express Effects manuals.
To switch plug-in window buttons
µ
Click the button.
It switches to the next or previous option, or will be turned on or off.
274 Chapter 10 Working with Instruments and Effects