The ALT key
is
used in Non-Text Mode
to
allow the entry
of
the Text symbols
on the front
of
the keys. Note: The spacebar remains operational
ill
ALT
Mode.
The characters
that
are entered in Non-Text ALT Mode are shown in Figure 4-12.
To enter any
of
these characters, (1) press and hold the ALT key and (2) press
the desired key.
TEXT
ON/OFF Key
Pressing the TEXT ON/OFF key when the keyboard
is
in Non-Text Downshift
Mode causes the keyboard to shift into Text Downshift Mode (TEXT shift message
is
displayed in the Operator Information Area); pressing the TEXT ON/OFF key
when the keyboard
is
in Non-Text Upshift Mode causes the keyboard
to
shift into
Text Upshift Mode [TEXT shift message and
{}
(upshift) symbol are displayed
in the Operator Information Area]. The keyboard
is
returned to Non-Text Mode
by pressing the TEXT
ON/OFF key again.
The Shift (
{}
) and Lock (
&J
) keys operate the same in Non-Text Mode and
Text Mode. To place the keyboard in Text Upshift Mode,
(1) press and hold either
of
the Shift keys or (2) press the Lock key. When the keyboard
is
locked in
Text
Upshift Mode, press either Shift key when
you
are ready
to
return the keyboard
to
APL Downshift Mode.
Text Downshift Mode causes:
o The corresponding lowercase alphabet letter to be displayed when an Alphabet
key
is
pressed.
o The corresponding numeric digit to be displayed when a Numeric key
is
pressed.
It
The symbol
on
the lower center or the lower-right portion
(if
present)
of
the
key
top
to be displayed when a symbol key
is
pressed (see Figure 4-12).
Text Upshift Mode causes:
o The corresponding uppercase alphabet letter to be displayed when an Alphabet
key
is
pressed.
o The symbol on the upper-center or the upper-right portion
(if
present)
of
the
key
top
to be displayed when a symbol key
is
pressed (see Figure 4-12).
The AL T key
is
used in Text Mode to allow the entry
of
symbols located on the
front
of
the Alphabet, Numeric, Symbol, Tab (
~I
),
Backtab (
I~
),
and New Line ( W ) keys.
Note:
The spacebar remains operational in
ALT
Mode. The characters that
are
entered
in
Text
ALT
Mode
are
shown
in
FigUre
4-12.
To
enter any
of
these
characters,
(1) place the keyboard
in
Text
Mode, (2) press and hold the
ALT
key,
and
(3) press the desired key.
The Numeric Lock feature can be installed
on
the Typewriter/Text keyboard.
DUP
and FIELD MARK Keys
The
DUP and FIELD MARK functions
on
the Typewriter keyboard can be
activated when the keyboard
is
in Downshift or Upshift Mode. On the
Typewriter/Text keyboard, however,
DUP and FIELD MARK can be activated
only in Non-Text Upshift Mode and Text Upshift Mode.
Chapter 4. Features for the 3278 4-21
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