When enabled, this feature relieves you from ever having to press the Reset key to unlock the keyboard. This feature is available in 3270 mode only. When enabled, in-stream nulls are converted to blanks. However, this feature does cause problems in systems such as TSO where the field attribute for the input area is actually on the previous line. The system ends up receiving some 50-80 blanks followed by the command text.
Some applications have trouble parsing such a long input string.
This feature is available in 3270 mode only. When enabled, this option causes the Insert key to work as on a 3278 terminal. This feature is available in 3270 mode only. When enabled, this option displays null characters in unprotected fields as centered dots. This option is similar to the Word for Windows Spaces option.