Operating the OmniBook Adjusting the Audio System Adjusting the Audio System The OmniBook supports Sound Blaster Pro-compatible sound and the Microsoft Windows Sound System. To adjust the volume On the Keyboard • To increase the volume, press Fn+UP-ARROW. • To decrease the volume, press Fn+DOWN-ARROW. • To temporarily silence the speaker without changing the volume setting, press the mute button on the right side of the OmniBook. In Windows • Click the speaker symbol in the taskbar. • Drag the volume control bar up or down to adjust the volume. • To temporarily silence the speaker without changing the volume setting, click Mute. 24 User’s Handbook