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HP HP-67 User Manual

HP HP-67
364 pages
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Card
Reader
Operations
281
Loading
Data
from
a
Card
To
load
data
from
a
recorded
card
back
into
the
storage
registers,
simply
pass
the
card
through
the
card
reader
with
the
W/PRGM-RUN
switch
set
to
RUN.
The
HP-67
identifies
the
type
of
information
(whether
data
or
a
program)
and
automatically
places
it
into
the
proper
portion
of
the
calculator.
Thus,
to
load
data
back
into
the
calculator
from
a
magnetic
card:
1.
Ensure
that
the
W/PRGM-RUN
switch
wrrem
I
RuN
is
set
to
RUN.
2.
Select
the
magnetic
card
with
data
recorded
upon
it.
3.
Pass
side
1
of
the
magnetic
card
through
the
card
reader.
a.
Data
from
the
card
has
now
replaced
data
in
the
16
primary
storage
registers
of
the
calculator.
In
addition,
if
the
secondary
registers
contained
all
zeros
when
recorded,
those
zeros
replace
the
contents
of
the
secondary
registers
(Rg,
through
Rgg)
of
the
calculator.
The
calculator
displays
the
original
contents
of
the
X-register
to
indicate
that
by
loading
only
one
side,
the
card
was
loaded
correctly.
c.
If
a
second
side
of
the
card
is
required,
the
calculator
prompts
you
by
displaying
.
d.
Pass
side
2 of
the
card
through
the
card reader
to
load
nonzero
data
into
the
secondary
storage
registers.
The
calculator
then
displays
the
original
contents
of
the
X-register
to
indicate
that
the
data
card
has
been
loaded
completely.
It
does
not
matter
which
side
of
the
card
you
record
or
load
first.
The
HP-67
records
the
contents
of
the
primary
storage
registers
on
the
first
side
recorded,
and
the
contents
of
the
secondary
storage
registers
on
the
second
side.
(If
all
secondary
registers
contain
only
zero,
the
contents
of
all
storage
registers
are
recorded
on
the
first
side.)
When
the
card
is
then read
later,
the
data
is
loaded
into
the
proper
registers,
regardless
of
which
side
of
the
data
card
you
first
pass
through
the
reader.
However,
for
ease
of
later
reference,
it
is
generally
best
to
record
primary
registers
on
side
1
and
secondary
registers
on
side
2.
Whenever
the
calculator
indicates
,
you
can
clear
the
display
and
return
control
to
the
keyboard
by
pressing
or
any
key
from
the
keyboard.
In
this
way,
you
can
record
only
part
of
the
storage
registers
onto
a
card
or
load
only
part
from
a
card.

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HP HP-67 Specifications

General IconGeneral
BrandHP
ModelHP-67
CategoryCalculator
LanguageEnglish

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