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IBM 1620 - 1443 Printer Manual Controls; 1443 Character-Set Selection Switch

IBM 1620
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Figur
e 16. 1
443
K
c
y
.
~
,
Lights,
and
Switches
last form can be
co
mpleted by
pr
ess
in
g the Start key
(once) for ea
ch
remaining line to be printe
d.
CCl1'ria
ge
Int
erlock This lig
ht
indicat
es
that either
the control-tape brush holder
is
in a raised position, or
the protec
ti
ve cover for the 6 or 8 line spacing belt h
as
been raised. When this
li
g
ht
is
on, the Heady
li
ght
is
o
ff
.
Carriage Restore Key. Pr
ess
ing this key positions th
carriage
at
channelL
If
the Manual Clutch
kn
ob is set
to
O
UT,
the form do
es
not mov
e.
If
it is set to
IN
, the
form mov
es
synchronously with the control tap .
OT
E:
The Heady light must be
off
for this key to op-
erate.
Carriage Space K
ey
Pr
ess
ing this key causes the
form to advance one space.
OT
E:
The Heady light
mu
st be
off
for this key to op-
erat
e.
Reset Key. Pressing this key turns off the PaJity
Check and Sync Check lights and rese
ts
th Printer
Check indicator.
Carriage
Stop
Key. Pressing this key stops the car-
riage operation.
98
Manual
Controls
Chara.cter-Set Sel
ec
tion Switch. This four-position
sw
itch must be set to either
13
, 39, or 52 depending
upon the character
-s
t be
in
g used (Figure
17
).
If
this
switch is not
se
t to the
co
rrect number, a sync ch ck
error will occur.
Typ
ebar
III
erti
on
Whe
e
l.
This wheel
is
lo
cated
to
the right of the carriage and on the
upp
er rear of the
typebar drive unit. The typebar
is
positioned by manu-
ally rotating the wh e
l.
It
is
used when inserting or r
e-
mo
vi
ng a typebar
in
the printe
r.
After power
is
turned
o
ff
and
the Typebar switch
is
turned
off
, the type
bar
is
inserted from the
li
g
ht
side of the printer as far
as
it
will
go
into the type
bar
guid
e.
Th
e T pe
bar
Insertion
Wheel
is
then turn
ed
until the notch on the type
bar
flag of the
39
or 52 character type
bar
is
aligned prop-
e
rl
y to the deca
l.
The aligning notch an the
13
-c
haracter typebar-Hag
is difficult to see when the typebar
is
in the machine.
Therefore, the right edge of the upper section of the
Hag can be used as a reference when
in
serting a
13-
character typebar into operating position. se care to
avoid damage to the typebar.

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