IBM 5531 Operator's Manual page 16

Keyboard
(continued)
Key Description
Backspace Backspace moves the cursor one space to the left, erasing the
+-
existing character.
Space bar The Space bar moves the cursor to the right. Any character the
cursor moves over is replaced with a blank.
Alt Alt (Alternate) makes it easy for you to type BASIC statement
keywords. When you press Alt together with any alphabetic key (A
through Zl. the BASIC keyword is entered. You can use Alt with
Ctrl (Control) and Del (delete); see "Special Key Combination" at
the end of the keyboard section. You can also use Alt together
with any of the keys on the numeric keypad to enter ASCII codes.
Refer to IBM Personal Computer BASIC for more information on
the Alt key.
Ctrl Ctrl (Control) performs a variety of functions. These functions are
described in the manual that came with your operating system or
application program. You can use Ctrl together with Alt (Alternate)
and Del (Delete); see "Special Key Combination" at the end of the
keyboard section.
Esc Refer to the manual that came with your operating system or
application program for information on the function of the Esc
(Escape) key.
Tab Tab moves the cursor to the next tab stop. Refer to the manual
~
that came with your operating system or application" program for
-.j
information on how tab stops are defined.
Shift The keyboard has two shift keys. Pressing either of these keys
1S
changes the alphabetic keys to the uppercase state. Then, when
you press the alphabetic keys, the characters appear as capital
letters.
Chapter 1. Introducing the IBM 5531 Industrial Computer
1-7