DBCS is a basic panel command that you can issue from any product panel.
DBCS is a toggle command that disables or enables DBCS support when you are using native TSO without ISPF.
When you use this product under TSO/ISPF, the product determines if DBCS is supported by the terminal and defaults to either using DBCS or not using DBCS based on that information. Under native TSO, the product cannot make this determination and defaults to not using DBCS. If you know that the terminal supports DBCS, you can use this command to enable this feature.
The setting remains in effect until you perform one of the following actions: