Windows Embedded 7 WES 7 Manual Accessories Current: Sound Mixer PDF Download PDF Download page Sound Mixer. Current page All pages Sound Mixer Menu path: Setup > Accessories > Sound MixerHere, you can set the system volume or mute the sound.Use IGEL Setup for configuring system audio settings: Use IGEL Setup Do not use IGEL SetupMute sound: Mute Do not muteMaster volume: Adjust the master volume by moving the volume control or entering a number between 0 and 100.Enable display port audio device: Switch on Do not switch on ×