Output Selection: Verify audio from computer is going through the Crestron system
Changing the Volume: Use volume controls on touch panel
Using a Video Site: Check that volume from video site (ex. YouTube video) is suitable or at max before altering volume on touch panel; turn up the video's volume until there is audible audio
If the guide didn't provide the support you required or you are still having issues, please contact CDM AV Support at firstname.lastname@example.org or call (312)-362-1297.