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Special key functions (continued)
Key
Purpose
[-l-[F121
Perform special functions within application
programs.
1
IPrinl
(PrtSc)
1
Prints the screen display on a printer
@iid
(Req)
Generates the System Request function in some
application programs (used with
mAltI).
Controls scrolling in some applications.
Suspends the current operation.
l[Breakl
1
Stops the current operation (used with mctrll).
The
[Lock],
[Lock],
and
I=]
keys work as toggles; press
the key once to turn on a function and again to turn it off. When
the function is enabled, the corresponding light in the upper
right corner of the keyboard is on.
Stopping a Command or Program
You may sometimes need to stop a command or program while
it is running. If you have entered an MS-DOS or application
program command that you want to stop, try one of the
following:
U
Hold down the
m
key and press
[cl
tl
Hold down the
m
key and press
[Break.
If these methods do not work, you may need to reset the
computer as described below. Do not turn off the computer to
exit a program or stop a command unless you
have
to, because
the computer erases any data you did not save.
Using Your Computer 1-21