VCAD Officer is for officers on your RP server. VCAD Officer is meant for officers to search characters/vehicles, Add BOLOs/Crimes, And remove licenses, So that dispatchers dont have to. VCAD Officer is also required if you want to hear emergency tones issued by dispatchers. You must have database access to use VCAD Officer.
For officers to set there own status, The dispatcher must set the alias, Your alias is the name that you use to sign in to the CAD.
You can set your status while ingame.