The ar in the acp and the red line automation write indicator is not in sync. Open a new track, clink on env button, select volume under track evelopes, click "Volume" in ACP set automation mode to write, click ar button in in acp to disarm volume automation, mixer display does not follow until the fader is moved. Sometimes it will update, but not always. Toggle ar button and the automation indicator for volume in the mixer does not follow.