Datapoint 3300 Petunjuk Manual - Halaman 5

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Halaman Cetak
COMPATIBILITY
T
he
Datapo
int
3300
is a
st
and-a lo
ne te
rminal,
com
p
let ely compat ibl
e wi
th all
T
imesha
rin
g
serv ices
tha
t
cur ren
tl
y
suppo
rt
t
er
mi
nals
using
th
e USA
Standa
rd Code
f or
I
nfo
rmat
ion
Inte r-
change (AS
CI
I). T
he interface o
f
t he
Dat
apo
int
3300
w as
designed
to co
n
form to
th
e Elec-
tr
oni
c
Indust
r ies Associat
io
n
(E IA
)
RS
-2
32-B
standard
;
t
herefore, it
is
comp at
ible
with ali
Bell
Syste
m
, or
eq
ui
valent
data
set
s
and most
aco
usti
ca
l
couplers.
OUTSTANDING FEATURES
T
here are
t
w
o mem
or
ies
in
t he
Datapoi
nt
3300
A Rea
d On
ly Memory
(ROM),
and a
Ci
rcula-
t
ing Memory
. Both
memor ies are
of th
e
Metal
O
x ide
Sili
co
n (MO
S)
typ e.
The use
of MOS
memori
es is a majo
r
co
ntr ibut or t
o
th
e
sma
l
l
size of
th
e
Dat
apoi nt
3300
.
Th
e
ROM
is
used
as the
charact er
ge
nerat or
and
th
e
Circu lat
in
g
M emor
y se rves
t
o ref
resh th
e d isplay six
t
y
times
each
seco nd
.
T he ref
resh rat
e is syn-
chro
n
ized to
t
he
power
line; t herefore,
f licker is
eli
m
in
C1
t
ed
.
A not her co nt
r
ibutor to t he
stab
le
disp
lay
fou nd o
n th
e Datapo
in
t 3300 is
t
he
CRT
de-
fl
ect
ion
syste
m
. Th
e sca
n
is no
t
a
T
V type
I-ast er
sca
n.
T
he CRT
is sca
nn
ed
hori
zo
ntall
y
on ly
once
pe
r
charact er l
in
e, or
25 t imes
pel-
fra
m
e rat
her
t
han
525 t imes per frame as
fou nd
in
T
V tap
e sca
n sy stems. Thi
s sca
n sy
s-
te
m
deve loped by
Co mputer
T er
m
inal
Cor
pora-
li
o
n
al lows
t
he scree
n t
o be
ref reshed
at
t
he
60
cycle sy nchro
nou
s
rate.
UNPACKING
The
Dal
apo
int 3300
has bee
n
ca ref
ully
pac
ke
d
t
o ensure
it
s
saf ety
du
rin
g
shipment;
however,
th
e te
rm
inal
shou ld
be ca
refu
ll
y
in
spected
as
soo
n
as
it
is
re
moved
fr om
its
sh
ipp
ing
co n-
tainer
. I
n th
e event
th at
damage has occured
,
imm
ed
iat
ely
fi
le cla
im again
st
th
e ca
rri er and
not if
y Co
mputer T
ermi nal
Corp
ora
ti
o n, 9725
Datapo
int D r.,
Sa
n
A
nt
o
n
io,
T
exas 78229
or
ca
l
l
(5 12)-696-
4 520.
INSTALLATION
T
he
Dat
apo
i nt
3300
is
sl
yl
ed Lo be
off
ice co
m-
pa
t
ib
le.
Base
d
imensio ns are t he sa me as co
m-
mo
nl
y ava
i
lab le Execut ive typewr ite
rs;
t here-
fore
,
t he
uni
t f its o
n
any typew
r
iter ta
b
le or
des
k.
2
Th
e
instal lat
ion
of
t he Dat
apo
in
t 3300 is
ve ry
simp le;
onl
y
11
5 V
A
C
and
Cl
modem or
dat
a
cou
p
ler
of yo
u
r
cho ice is required.
Th
e cho
ice
of
t
he
dat
a
set t
o be
used depend
s
u
po
n
t
he
baud
rate
. Th
e 10
3
t
y pe data
set
is
reliab le up
to
200 baud; however,
w
it
h
spec
ial tu ning
t
he
10
3 has
be en used successf
u
lly at
300
baud.
T
he
t
elepho ne
comp any or
da ta
set
ve ndo
r
shou ld
be
co
nsul
t ed about
the
lO
3's use
above
200 baud
. Th
e
20
2 type da ta
set is necessary
fo
r dat
a
rat
es above
300
baud
. For
ini
tia
l
operat
io
n th
e
fo
l
low
in
g
is
requ
ired
:
1.
Place the
power
sw itc
h
o
n
t he
Dat
a-
po int
3300 to t
he
O
FF
pos
it
ion.
2.
Place
th
e
LOC
A
L/R EMO
TE
sw itch to
th
e LOCA
L
pos it ion.
3.
Inse rt t he pow
er
co
rd
int
o t he
recept
a-
cle
on
t he
rear
pa
nel
of t he
Dat
apo
in
t 3300 and
co
nn ect t
o a
11
5 V
A
C
wal
l
p
lug
.
4.
Select a data cou
pl
er or dat
a set
w
h
ich
has
an EI
A
RS
-232-B
int
erface
and
w
i
ll op
erate
at
t
he bau
d
ra te at w
h
ich
t
he
t erm
i
na
I
w
i II
be
used
.
Use
a
standa rd RS-232-
B
ca
b le to
co n-
nect th
e
t erm
inal
La
the co
up
ler
.
5.
Se
t
th
e
baud
rate
sw
it ch on th
e
bac
k
co
nt
ro
l
panel
t
o
th
e co
rrect speed setting
.
Not
e
th
e speed
sett
in
g is
determ
in
ed by
t he
speed
l im it at
io ns
of
t he
T
imeshar ing o
r
com
-
mun
ica
t
io
n
serv ice be ing used
.
(See
Page
7).
6
.
Set the
DUP
L
EX sw
it ch on th
e
back
co ntro
l
panel
to
th
e
proper
sett ing,
F
U L L or
HA
L
F.
T
h
is is also dete
rm ined by
th
e
Ti
me-
shar ing
se
rv
ice being
used
.
(See Page 7 ).
7.
A
ll
ow
approx
imat ely one
minu
te fo
r
t
he
CR
T
fil ament
t
o wa
rm up, t
hen
p lace t
he
power
sw
it
ch in t
he
ON
posit
ion. T
he
b
l
in
k ing
curso
r
shou ld
appea
r in
t he
fi
r st charact
er
posi-
t io
n. If th
e
cu
rsor
does not appea
r
on
t
he
screen wi
t
h
in
15
seco nds depress
t
he
HOME
UP
key
.
If
t
he
cursor st
i
ll
does not
appear
, tur
n
t he
te
r
m
inal
O
FF
imm ed
iate
ly and
co
ntact
you
r
serv
ice
man.
CAUTION
Do
not
leave
th
e
t
er
m
inal
ON if t
he
cu
rsor
is
not
vis ib
le.