
Changing the Data in an Input Field
Use
You can change data in an input field by either:

Some input fields contain data that is for display only; you cannot change or delete the data in these input fields. Input fields whose background is the same color as the background of the screen contain data that you cannot change.
Procedure
Insert
ModeThe entire content of the field is replaced by whatever you type.
Overwrite
ModeTo change other input fields on the screen, repeat steps 2 and 3.