Sony PCG-GRX580P - Manual (Page 15)

Guide mode
The Jog Dial control window is in the guide mode when software is in use and the software window is active. Depending on
the software you are using, you can select items from the displayed list using the center Jog Dial control. You can switch
between guide mode and launcher mode by pressing the Ctrl key and the center Jog Dial control.
Using Guide mode
The Jog Dial control window displays the function of the center Jog Dial control.
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