Volume MixerThe Volume Mixer utility lets you control the audio volume for playback ofdevices and applications under Windows.To launch the Volume Mixer utility, right-click on the speaker icon onthe Windows taskbar, and then select Open Volume Mixer from thesub menu.To adjust the volume level of speakers or headphones, move theSpeakers slider.To adjust the volume level of an application that you are using, movethe slider for the corresponding application.Microphone LevelTo change the microphone recording level, do the following:1. Right-click on the speaker icon on the Windows taskbar, and selectRecording devices from the sub menu.2. Select Microphone, and click Properties.3. On the Levels tab, move the Microphone slider to increase ordecrease the microphone volume level.If you feel the microphone volume level is inadequate, move theMicrophone Boost slider to a higher level.Video modeVideo mode settings are configured via the Screen Resolution dialog.To open the Screen Resolution dialog, click Control Panel ->Appearance and Personalization -> Display -> Change displaysettings under Windows System in All apps.If you are running some applications (for example a 3D application or videoplayback), you might see some disturbance, flickering, or frame droppingon your screen.If that occurs, adjust the resolution of display, lowering it until the screen isdisplayed properly.User's Manual 4-24