Apply to XMP-2200/2300/2400,XOP-2200/2300,XDS-1060/1062/1068 series devices for use with Manager Express, Scala Content Manager , and all SMIL compatible management software solutions
For centralized administration, the audio volume setting in SMIL compatible CMS ( Content Management Software ) is designed to take higher priority for audio volume control.
By this design, change audio volume should change from management software but not from player's configuration menu.
For Manager Express user , please check below screenshot :
For Scala Content Manager user, please check below screenshot :
For SMIL programmer, please check below article , please note, when there's no soundlevel attribute assigned, default sound level is 100%.