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Facit 4440 TWIST Service Instruction page 5

Video terminal

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2.2
POWER-UP PERFORMANCE CHECK
Superslim keyboard
with integrated
palmrest,
Inspection before
power-on.
two
tilt
angles
and 102
keys
totally
(9
natio-
nal
versions
available)
Separate
cursor
and
editing
block
(12
keys),
0
check
that
the
model
plate
corresponds
to
order
and
packing
case
marking.
soft
definable in
Custom
mode
o
check
for
proper keyset
Separate complete (18 keys) numeric
block
I
0
check
that
accessories
and
documentation are
supplied
Separate
function
keys (12
soft
definable
keys
~
for
a
total of
36
different
function strings)
0
check
that
the
power
cable
supplied
corre-
FUNCTIONAL
HIGHLIGHTS
sponds
to
your
national
standard.
Make
sure
that
proper grounding
is
performed
and
that
proper
voltage
is
selected
Block
mode/character-by-character
mode
Ih
Order
te
eveld
P0SSlhle
_deme9e
te
the
Muitituae
af
eharaeter
and
fieia
attrihutee
evehtual high vgltage dißeharge through
the
FU11
editing
I
Line
Driver/Receiver
circuits,
because
of
Scrolling
region
and
vertical
margins
RR
interface
cable,
see
to
it
that
the terminal
Extended
printed
handling
I
is
connected
to
a
mains
outlet
with
proper
SELF TESTS
Power up
self test
Diagnostic
self test
Diagnostic status
line
Transparancy
mode
grounding
before the connection
to
any
data
'
\
I
I
source
is
made.
I
Power-On
'
To
perform
this
check you
need
a
Test
gear
such
as
Facit
Text Generator
or simular.
o
iallow
for
a
few minutes
of
warm
up.
___.
I
TUINOPNA
C
K
I
N G
o
set
communication parameters
to
confirm with
-____-
the external
test
device.
The
Facit
TWIST
terminals
are
carefully
packed
Q
if
during
Power-on
a
suspected
fault
is
te ihsure
Safety during
Shipmeht, however,
when
deteeted,
the
beii
wiii
ring
and
the
ERRoR
the
terminal arrives
check
the
following;
CODE
is
displayed.
If
the terminal
halts,
the
processor
has
determined
that
the
0
the lhvelee e9elh$t
YOU*
0Pï9lhêl
DUPChäSe
scratchpad
memory
is defective
and no
furt-
order
her
tests
are attempted.
0
eXemlhe
the
0UtSlde
Of
the Shlpplhg
contai-
Note
The
TWIST
terminal
will
display
the
soft-
her
çlesely
far
Sigh
ef
abuse
gr
damage
ih
ware
version
eede
if
the
keyhaara
ie
dis-
tT'äI'|S'It
connected
before
Power-on.
A
crushed
or
punctured
carton
naturally calls
for
a
careful
inspection
of
the contents.
If
any
damage
is
found
inform the
delivery
agent.
g,3
LERRoR_cooEs
2
DISPLAY
MEMORY
FAILURE
3
EAROM
PARITY
ERROR
2.1
POWER
AND
SIGNAL WIRING
5
EPROM CHECK SUM ERRQR
;
The
TWIST
tefmlhel
P0WeP
Wlflhg
C0hSlStS Of
än
If
a
fault
is
recognized
see
section
7
for
de-
AC
power
cord connected
to
the
terminals
mains
ta1iS_
inlet.
The
Keyboard
is
connected
to
the
display
unit
by
a
flexible
coiled
cable
tomer.
The
Interface cable(s)
are
provided
by
the cus-
l

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