Terminal Control
e.
Disable
Memory
Lock mode
and
home
the
cursor.
The
display
should
appear
as
follows:
1.
This
is
paragraph
1.
It
should
be
the
first
one.
2.
This
is
paragraph
2.
It
should
be
the
second one.
3.
This
is
paragraph
3.
It
should
be
the
third
one.
4.
This
is
paragraph
4.
It
should
be
the
last
one.
From
the
keyboard,
you
enable
and
disable
memory
lock mode
using
the
MEMORY
LOCK
key.
The
rows
above
the
line
containing
the
cursor
are
locked.
Normal
editing
can
be
performed
within
the
locked rows;
that
is,
the
rows
are
locked by row
number
only, so
if
lines
are
inserted
among
the
locked rows,
they
become locked
but
the
total
number
of locked rows does
not
increase.
From
a
program
executing
in
a
host
conlputer, you
enable
and
disable
Memory
Lock mode
using
the
following
escape
sequences:
ENABLE:
Ec
DISABLE:
Ec
m
Once
enabled,
Memory
Lock mode
remains
enabled
until
explicitly
disabled,
until
a
hard
reset
is
performed,
or
until
the
power is
turned
off.
Smooth Scroll Mode
Smooth Scroll mode
is
selected
with
the
SMOOTH
SCROLL function key. As
implied
in
the
name,
lines
are
scrolled
smoothly
on
or
off
the
screen in Smooth Scroll mode, so
that
you
can
watch
them
appear
or
disappear.
When
the
terminal
is
not
in Smooth Scroll mode,
the
top or
bottom
line
appears
or
disappears
immediately,
with
no
transition
apparent
to
the
eye.
CAUTION:
Use of Smooth Scroll mode, while in Remote mode, may
result
in lost data,
unless a
type
of handshaking is used in which
the
terminal controls transmission
of
data
it
receives. To ensure against lost
data
in an
HP
point-to-point environ- .
ment,
set
the
EnqAck field on
the
Full Duplex Hardwired or Full Duplex Modem
Datacomm menu
to
YES;
in
a non-HP environment,
set
RecvPace
to
XON/XOFF
..
Insurance against data loss in a multipoint environment is contained in
the
data
transfer
protocol.
2-7
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