The OperatorSetLabel variable is responsible for the text displayed in the History list on the Alarm page following the username of the logged on operator who has completed a control action (for example, changed the value of an analog output tag using a slider), and prior to the new value entered by the operator (e.g. Username set TagName TagDescription to NewTagValue on Workstation – "TKeller set AO07_11 Chemical Feeder to 4 on STN11").
Default: to