3276ns Emulation Mode
•
If
the
screen
contains
a formatted display
with
only protected fields,
simultaneously
press-
ing
the
ALT
key
and
the
ERASE INPUTkey moves
the
cursor to
the
first
character
position
on
the
first
line
but
nothing
is erased.
•
If
the
screen
has
an
unformatted
display, simultaneously pressing
the
ALT
key
and
the
ERASE INPUT key moves
the
cursor to
the
first
character
position of
the
first
line
and
erases
the
entire
screen.
HP
2625A.
Pressing
the
ERASE INPUT key duplicates
this
operation.
TESTS, ERRORS, AND RECOVERY
The
SYSTEM REQUEST
and
TEST keys request
testing
routines
to be
run
on
the
3276. A
change
in
the
((click" sound indicates
that
the
terminal's keyboard is locked
and
an
error
condition
has
occurred.
The
RESET key serves
in
error
recovery.
System Req
uest
Key
IBM
3276.
Simultaneously
pressing
the
ALT key
and
the
System Request (SYS
REQ)
key
initiates
one of two actions:
• Simultaneosuly pressing these keys clears
the
screen
and
switches
the
terminal
between
application
and
control programs.
•
The
terminal
sends a
test
request
message to
the
host system.
In
both
cases,
the
keyboard locks,
the
((DO
HOT ENTER -
TIME"
message
appears
in
the
Status
Line,
and
Insert
Mode (if active)
is
turned
off.
HP
2625A. Your
terminal
offers no support for
this
key.
Test Key
IBM
3276.
Simultaneously
pressing
the
ALT key
and
the
TEST key
prepares
the
terminal
to
run
tests
that
reside
in
the
3276 Control Unit. Upon completion
of
the
test
procedures, you
must
again
press
both
the
ALT
and
TEST keys to
return
the
terminal
to
its
normal
operating
state.
HP
2625A. The
HP
2625A does
not
support
the
IBM
test
features.
To
test
the
integrity
of
your
terminal,
you should switch
the
terminal
to its
HP
personality
then
use
the
Service
Keys
set
of function key labels.
Click Key
IBM
3276.
The
CLICK key controls
whether
pressing
the
keyboard keys produces
an
audible
sound.
The
key toggles between producing a
((click"
or
not
producing a
((click".
F-32
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