Casio H-1 Manuale utente
CASICJ
H-1
Dear customer,
Congratulations
on
your
purchase
of
this electronic calculator.
To
utilize
its
full features
no
special training is required,
but
we
suggest you study this in-
struction manual
to
becomefamiliar
with
its
many
abilities.
To
help ensure
its
longevity,
do
not
touch
the
inside
of
the
calculator, avoid hard knocks and
unduly strong key pressing. Extreme cold (below 32°F
or
QOC).
heat (above
104°F
or
40°C) and humidity may also affect
the
functions
of
the calculator.
Neveruse volatile fluid suchas lacquerthinner, benzine, etc.
for
cleaning
the
unit.
Forservicing
contact
the
original store
or
nearbydealer.
*For
operationalexamples, refer
to
page
43
..
CD
1/
NOMENCLATURE
Power
switch: .
Move
the switchforward
to
activate
the
calculator.
I
0·1
Read-out:
Shows
each entry and result through aDigitron tube panel. suppressing un-
necessary
0'8
(zeros}.
ill-en
c:JNumeral/Decimal point keys:
Enter numerals. Fordecimal places, use thec:Jkeyin itslogical sequence.
D,
CI,
~,
=,
BFunction
command/Result
keys:
Perform the
four
basic calculations when these keys are pressed in formula
sequence.
An
incorrect
function
command (
D,
CI,
~
or
~)
is·automati-
cally cleared
by
pressing the
correctfunction
command key.
TheBkey
obtainsanswer
after
entering numerals and function commands.
B<
8)
Memory
plus(minus) key:
Transfers
the
numberdisplayed
to
the
memory positively (negatively).
Obtains answer in
four
functions and automatically accumulates
it
into
the
memory positively (negatively).
~Memory
recall key:
Recalls
the
contents
of
thememory
without
clearing.
OOPercent key:
Performs percentage calculations, including add-ons, discounts and mark-
ups.
tOSquare root key:
Extracts
the
square
root
ofthenumber
displayed.
BClearkey:
Clears entry
for
correction. .
When
pressed afterafunction
cOfTlmand
key,
it
clears
the
entire machine ex-
capt
the
memory.
rJ3AIl clearkey:
Clears
the
entire machine including
the
memory, and releases overflow
or
errorcheck.
r2...,
FCUT
5/4
I
..
IDecimal
mode
selector:
At
the
"F"
position, the decimal floats and the underflow system works
to
protect
thesignificantdigits.
At
the
"CUT"
position,
an
answer is automatically
cut
off
at 2decimal
places, applying floating mode
for
entry
and intermediate result.
At
the
"5/4"
position, an answer
is
rounded
off
in thesame
way
asabove.
2/BAlTERV
MAINTENANCE
This calculatoroperates
on
either dry batteries
or
AC
(with
an ACadaptor).
@)
DRY BATTERY OPERATION
Two
AA
size manganese
dry
batteries (UM-31 give approximately 8hours
continuous operation (16 hours on type SUM-31. When battery power de-
creases, thewholedisplay darkens. Batteries should then be renewed.
Switch OFF the power, slide open the battery compartment lid
on
the
back
of
the
unit,
remove dead batteries and insert new batteries
with
polarity
as
indicated.
*
Be
sure
to
replace
both
batteries.
*Never leave
dead
batteries in
the
battery box as they may cause malfunc-
tions.
*
It
is recommended
that
batteries be replaced once ayear
to
prevent the
chance
of
malfunctions due
to
batteryleakage.
AC
OPERATION
Use
only
an adaptor
with
the
same voltage rating (100, 117, 220
or
240VI as
your
power
supply
to
prevent componentdamage. Plug the
AC
adaptor
into
.
the AC
outlet
andcord
into
the
unit, this automatically cuts
off
batterypower
supply.
®
,,_
Jf
13I!1!B··
!
1.
__
!:i3U
*WHERE USED FROM THE
MAINS
THIS CALCULATOR
MUST
ONLY
BE
USED WITH ACASIO
MAINS
ADAPTOR. THIS IS
DUE
TO THE RISK
OF
DAMAGE TO THE CALCULATOR SHOULD
IT
BE
USED WITH A
MAINS ADAPTOR OTHER THAN ACASIO
MAINS
ADAPTOR.
31
OVERFLOW
Overflow
is
indicated
by
the
"En sign
and
stops further calculation.
To
release
the
overflow
check, press the
C3
key.
Overflow
occurs:
a)
When
the
integer
part
of
an answer, whether intermediate
of
final,
ex~
ceeds 8digits
(7
digits
for
negatives). However,
the
significant digits
of
theanswerare givenand
the
decimal
point
indicates
that
the
true
decimal
position is 8digits
to
the
right.
b)
When
the
integer part
of
an accumulated total in
the
memory exceeds8
digits
(7
digits
for
negatives). ®
4/SPECIFICATIONS
Abilities:
Four basic calculations, constants
for
+I
-I
xI+ , automatic accumulation
in
four
functions, direct access
to
the memory, percentage calculations
including add-onsldiscounts and mark-ups, square roots and various kinds
of
practical calculations.
Capacity:
8digitsincluding minus(- )sign.
Read-out: Digitrontubepanel, suppressing unnecessary
O's
(zeros).
Decimal
point:
Full floating,
or
fixed
with
cut-off
or
round-off
at
2decimal
place.
Overflow
check:
Indicated
by
the
"E"
sign, locking thecalculator.
Main
component:
Onechip LSI
Power
consumption:
0.2
W
Power
source:
AC; 100, 117,220
or
240V
(::l::
10V), 50/60Hz,
with
an applicab'e
AC
adaptor.
DC:
Two
AA
size manganese
dry
batteries (UM-3) give approximately 8
(J)
hourscontinuous operation (16
houts
on
type
SUM-3).
Ambient
temperature
range:
OOC
-40°C (32°F - 104°F)
Dimensions:
19.7 mmH x
77
mmW
x
136
mmO
(3/4"H
x
3"W
x
5-3/8"0)
Weight:
142g
(5
oz) including batteries.
®
GUIDELINES LAID
DOWN
BY
FCC RULES FOR USE OF
THE
UNIT
IN
THE U.S.A.(notapplicable
to
othEirareas).
This equipment generates and uses radio frequency energyand
if
not
instal-
led and used properly,
that
is, in
strict
accordance
with
the manufacturer's
instructions,
may
cause interference
to
radio and television reception.
It
has
been typetestedand
found
to
comply
with
thelimits
for
aClass Bcomputing
device in accordance
with
the specifications in SubpartJ
of
Part 15
of
FCC
Rules,
which
are designed
to
provide reasonable protection against such in-
terference in aresidential installation. However, there is
no
guarantee
that
interference will
not
occur
in
aparticular installation.
If
this equipment does
cause interference
to
radio
or
television reception, which can be determined
by
turning theequipment
off
and on, theuseris encouraged
to
try
to
correct
theinterference
by
one
or
more
of
thefollowing measures;
®
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