Typamatic (Repeat-Action) Keys
On
the 3275 and 3277 keyboards, only the cursor move and space keys are
typamatic; on the 3278 keyboards,
all
Alphabetic, Numeric, Symbol,
Punctuation Mark, Cursor Move, Spacebar, ENTER, and
PFl
through
PFl2
(PFl
through PFlO for Data Entry Keyboards) keys are typamatic.
Keys That Operate the Same 011 3278 and 3275/3277
The following keys operate the same on 3278 keyboards
as
the corresponding
keys
on
3275 and 3277 keyboards:
Shift (
-Q-
) keys (SHIFT on 3275/3277)
Lock
«(iJ)
key (LOCK on 3275/3277)
Numeric Shift (
-Q-)
key (NUMERIC on 3275/3277)
Numeric Lock
(@)
key (NUM
LOCK
on 3275/3277)
Alpha (
~
) key (ALPHA on 3275/3277)
Spacebar
New Line
(~
) key
SKIP key
Tab (
-+I ) key
Back
Ta!?
(
k-)
key
Horizontal
Positioning ( - and - ) keys
Vertical
Positioning ( t and
~
) keys
Backspace ( - ) key
CLEAR key (with ALT)
ERASE
INPUT key (with ALT)
ERASE
EOF key
PAl and PA2 (with ALT) on Typewriter keyboards
PAl,
PA2, and PA3 on Data Entry keyboards
Delete (
I ) key (DEL on 3275/3277)
Insert
(~)
key (INS
MODE
on 3275/3277)
ENTER key
PF keys (with ALT for
PFl-PFl2
on Typewriter keyboards)
Keys That Operate Differently on 3278 and
3275/3277
The following keys operate similarly on
both
the 3278 keyboards and on the
3275/3277 keyboards; therefore, only the differences are described.
Alphabet Keys
The characters on the faces
of
the Alphabet keys are displayed
as
uppercase
(capital) letters when the keys are used in conjunction with the Shift (
-Q-)
and
Lock
({!J) keys. When the Alphabet keys are used without the Shift
or
Lock
keys, the letters
are
displayed
as
lowercase letters (if the A,aIA switch
is
set to
A,a). In addition, all the Alphabet keys have typamatic capability.
Numeric Keys
The Numeric keys on 3278 keyboards have typamatic capability.
Symbol and Punctuation Mark Keys
The Symbol and
Punctuation Mark keys on 3278 keyboards have typamatic
capability.
DUP (Duplicate) Key
Pressing the DUP key displays an overscored asterisk (
~
) when the A,aIA
switch
is
set
to
A,a; when the A,aIA switch
is
set to
A,
only the asterisk
is
displayed.
5-14
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