Specifications
SECTION
I
1.5
Locking
and
Unlocking Keyboard
It
is
possible
to
"lock"
the
keyboard.
If
the
keyboard
is
locked,
"KB
LK"
appears
on the
Status Line. Typing
or
pressing
any key (or
combination)
is
ignored, except
for
CAPS
LOCK
CTRL/SHIFT/RESET
SHIFT/NO SCROLL
(=
SETUP)
To
lock
the
keyboard
-
Via the
keyboard, press SHIFT/NO SCROLL
(=SETUP)
and
change
KB ON
toKBOFF(Line4),or
-
enter
or
receive
from
the
host
the
sequence
ESC #
To
unlock
the
keyboard
-
a.
Do
the
following:
1.
Go to the
Set-Up procedures (Press SHIFT/NO SCROLL).
2.
Press
the
Down
Arrow
twice
to
move
to
Set-Up Line
3.
3.
Press
the
Right Arrow
until
"KB
OFF"
is
highlighted.
4.
Press
the
space
bar
to
change
KB OFF to KB ON.
5.
Press SHIFT/NO SCROLL
to
exit Set-Up.
OR
b.
Press
CTRUSHIFT/RESET
to
reset
the
terminal
to
default settings
(KB
ON);
or
c.
Receive
from
the
host
the
sequence
ESC
"
1.6
INDICATORS
The
terminal
has two
audio indicators. Although they have been
set to ON,
they
can be
turned
off in
Set-up.
Indicator
Meaning
Keyclick
Sounds whenever
an
alphabetic
(a, b, c) or
numeric
(1,
2, 3)
character
key
is
typed.
Bell Sounds
(a)
when
the
terminal self-test
is
completed,
(b)
when typed
characters approach
the
right margin (column
72 if
line length
= 80;
column
120
if
line length
=
132),
(c)
when
the
terminal receives
a
bell
control
code.
1-18