Display Control
•
Change
from one
character
set
to
another
(base, Math,
or
Line Drawing).
•
Create
data
entry
forms
containing
protected, unprotected,
and
transmit-only
fields.
In
addition, you
can
do
the
following screen
edit
operations
either
locally
or
remotely:
• Delete
or
clear
all
characters
from
the
current
cursor position
through
the
end
of
the
workspace.
• Delete
the
line
containing
the
cursor (subsequent lines
are
rolled up).
•
Change
the
characters
in
the
line containing
the
cursor, from
the
cursor
to
the
end
of
the
line, to
blanks.
• Delete
the
character
at
the
current
cursor position (this
can
be done
with
or
without
character
wraparound
from
the
next
subsequent line).
•
Insert
a
blank
line
immediately preceding (above)
the
line
currently
containing
the
cursor.
•
Enable
or
disable
Insert
Character
mode. When
this
editing
mode is enabled, succeeding
characters
entered
through
the
keyboard or received from
the
host
computer
are
inserted
to
the
left
of
the
character
at
the
current
cursor position.
This
editing
mode
can
be
enabled
either
with
or
without
character
wraparound to
the
next
subsequent
line.
CURSOR CONTROLS
The
following topics describe how to
alter
the
cursor/data
relationship
either
manually
(by
using
the
cursor control keys)
or
programmatically (by
using
escape sequences).
Home Up
Pressing
the.
key moves
the
cursor to
the
left
margin
in
the
top row of
the
screen
and
rolls
the
text
down
as
far
as
possible so
that
the
first line
in
the
workspace
appears
in
the
top row
of
the
screen.
When
Format
mode
is
enabled,
the.
key also rolls
the
text
down
as
far
as
possible
but
leaves
the
cursor positioned
at
the
beginning of
the
first
unprotected field.
If
no fields
have
been defined,
the
cursor will
appear
at
the
first column of
the
first
row on
the
screen.
To
perform
this
function programmatically, use
the
following escape sequence:
Ec
h
When Memory Lock is enabled,
the.
key rolls all not-locked
text
down
as
far
as
possible
below
the
block of locked text,
instead
of rolling
it
down till
the
first
line
of
text
in
the
workspace
appears
at
the
top of
the
screen. This leaves
the
cursor positioned
at
the
left
margin
of
the
first
unlocked row.
4-2
To Next Page
Loading...
