Sony VAIO PCG-SR21K User Manual page 32

Using your notebook
To use the Jog Dial in Launcher mode, proceed as follows:
1 Click the Jog Dial window or press the Jog Dial while pressing the <Ctrl> key to switch to Launcher
mode.
2 Turn the Jog Dial to select an item, then press the Jog Dial.
The Jog Dial window switches to Guide mode, and shows the Jog Dial function.
3 Turn or press the Jog Dial to use the Jog Dial function.
4 To select another item, switch to Launcher mode and repeat this procedure.
n N
32