IBM Selectric Operating Instructions Manual page 10

Platen Knobs
and right Platen Knobs enable
The left
to rotate the platen manually in
change the position
paper or to
vertically.
Platen Variable
achieved
Variable platen action is
against the Platen Knob—providing
left
in
either
the platen
free-rolling of in
enables
direction. This to permanently
you
change the position the writing
of
aids when reinserting a page
for
or additions.
Page-End Indicator
The Page-End Indicator rotates
you
numerical order
order to insert
calibrated
the page is
of
It
revolution of
revolutions equal
is 11"
paper
represented
pressing
by 9",
platen, to equal
standard paper, set the Indicator
reach zero
you
and be
line will 41/2" from
that point
corrections on
inches to the bottom
number of
descending
in
as
type.
(4, 3, 2, 1, 0)
you
inches. One complete
half
in
41/2". Two
the platen equals
Since
9". standard—size
must add to the
2"
long
you
revolutions of the
the
two
by
Therefore, when using
11".
When
2.
on
second
time
for the
you
the bottom the page. From
of
show the
the Indicator will
the page.
of
Before setting the Page-End Indicator, align
-
the paper
the top edge of with
Card Holder.
the Clear
View
line on
the
Rotate the Indicator
until 2
-
paper)
for standard—size
setting
the top
the horizontal mark
on
with
to the right Platen
adjacent
typewriter
paper, add one
When using other than 11"
the Indicator setting of two
inch
to
For each inch shorter
inch longer than
11".
subtract one inch from the Indicator
than 11"
standard-size
setting for
paper.
Note: Remember that there is only
and the number
between
of space 0
the Page-End Indicator. Therefore, when
to the number the setting
add 4
1
arrive at when
The setting
you
be zero.
will
31/22
the writing
position (the
is line
in
the
of
Knob.
each
for
(2)
inch
a half
4 on
you
be
will
1/2.
add to
you
1