In the Control
letter
Mode,
you
can create fig-
ures on
the
screen
by
combining
the
graphics
symbols
of
various letter keys.
(You
can also
make graphics in the
Inverse Mode,
to
create
even more interesting pictures on
your
screen.)
Now
press a
SHIFT
key
with
the CAPS/lOWR
to
return
to
normal uppercase characters.
Type
the
A,
S,
0,
and F keys again, and
you
see
that
you're
back
to
normal uppercase letters.
SCREEN
3
If
you
press the CONTROL key
with
a number
key,
different kinds
of
things happen.
The
control
function
of
any key may be changed according
to
the particular software
you
are using.
You
will
not
need
to
press CONTROL-I (the
CONTROL key plus the I key)
as
long
as
you
are
not
running a program. When
you
are running a
program, the first time
you
press
the
CONTROl-
I key combination, the program
will
pause; press
the combination again and the program
will
continue. You'll
see
how
this CONTROL-I com-
bination
works
later in the exercises
on
using
the
BASIC
language.
CONTROL-2
causes
the bell
to
sound, even in
the
Memo
Pad
Mode
.
The
bell
will
sound like a
beep.
Key
combinations CONTROL-3 through
tONTROL-O
do
nothing
in the
Memo
Pad
Mode
. In some (but
not
all) programs
they
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