Select all text on focus
If this setting is selected, when a user tabs to a 5250 J-field, all the text in the field is selected when the field receives focus. If the user then inputs DBCS characters, and uses the Field Exit function to exit the field, the last character of the string may be deleted.
To avoid this behavior, clear the Select
all text on focus box and select the Show
unprotected Shift Out/Shift In characters as spaces box. In this
case, the cursor is positioned properly in the first input position
of the field. The user can begin typing at this position and then
use the Field Exit function to exit the field.
Note: These considerations only apply to 5250 J-fields in Web
applications.