A recorder which is in the ready state cannot be deleted unless deactivated by AMO DSSU. When a recorder is to be deleted, it should be deactivated immediate (DEA-
DSSU:DI,...).
To determine the status of the recorder, use AMO
SDSU(DIS-
SDSU:,,PEN,PER3,<LTG>,<LTU>,<SLOT>,<CIRC>;).