ZX0050 – Online Storage Management Screen Required table. Codes defined by SBCTC-ITD. Use the Online Storage Management Screen to identify the type and amount of data that will be accessible online to users. User Function Keys Protected Functions F2 ADD F3 CHANGE, except as noted below F5 DELETE User Functions F1 REFRESH F4 INQUIRY F8 MENU Data Fields DATA SET NAME (key field) QUANTITY UNIT (required) Data Set Name (DATA-SET-NAME) Description Key field. The name of a data set. Length 20 characters Quantity (QTY) Description A number indicating the number of units. Length 4 characters Unit (UNIT) Description Entry required. A code indicating how the data in a data set will be measured. Length 3 characters Values Defined by SBCTC-ITD as follows: MO YR QTR FYR EA Month Year Quarter Fiscal year Each Data Sets Additions and changes made on this screen may update the following data sets: • Storage Management Master (STORAGE-MGMT-M)