IBM 3270 Operator's Manual page 80

ERASE INPUT Key
Pressing the ERASE INPUT key while holding the ALT key down erases or
blanks all input fields on your screen. If you have a permanently displayed
document on the screen, and your job is to fill in the blanks, all those areas in
which you can enter data are erased. The cursor also moves to the first
character location in the first field in which you can begin keying data.
Pressing the ERASE INPUT key (with ALT) while working with a screen on
which there are no input fields does not erase anything but moves the cursor
to the first location on line 1.
Pressing the ERASE INPUT key (with ALT) while working with an unformatted
screen erases all character locations and moves the cursor to the first location
on line 1.
ERASE EOF Key
Pressing the ERASE EOF (Erase to End of Field) key erases or blanks char-
acter locations in the input field in which the cursor is located. All character
locations from the cursor location to the end of the field are erased. The
cursor, however, does not move. If your screen is unformatted, all character
locations from the cursor to the last character location on the bottom line
are erased.
A possible use of this key can be shown by assuming that you have entered
wrong information when keying in a field. You could press the Back Tab
key to return the cursor to the beginning of the field, press the ERASE EOF
key to erase the incorrect information, and then key in the correct information.
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Chapter 3. Keyboards 3-35