Casio H-1 User manual

CASICJ

H-1

Dear customer,

Congratulations

your

purchase

this electronic calculator.

utilize

its

full features

special training is required,

but

suggest you study this in-

struction manual

becomefamiliar

with

its

many

abilities.

help ensure

its

longevity,

not

touch

the

inside

the

calculator, avoid hard knocks and

unduly strong key pressing. Extreme cold (below 32°F

QOC).

heat (above

104°F

40°C) and humidity may also affect

the

functions

the calculator.

Neveruse volatile fluid suchas lacquerthinner, benzine, etc.

for

cleaning

the

unit.

Forservicing

contact

the

original store

nearbydealer.

*For

operationalexamples, refer

page

NOMENCLATURE

Power

switch: .

Move

the switchforward

activate

the

calculator.

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.

CI,

BFunction

command/Result

keys:

Perform the

four

basic calculations when these keys are pressed in formula

sequence.

incorrect

function

command (

CI,

is·automati-

cally cleared

pressing the

correctfunction

command key.

TheBkey

obtainsanswer

after

entering numerals and function commands.

Memory

plus(minus) key:

Transfers

the

numberdisplayed

the

memory positively (negatively).

Obtains answer in

four

functions and automatically accumulates

into

the

memory positively (negatively).

~Memory

recall key:

Recalls

the

contents

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,

clears

the

entire machine ex-

capt

the

memory.

rJ3AIl clearkey:

Clears

the

entire machine including

the

memory, and releases overflow

errorcheck.

r2...,

FCUT

5/4

IDecimal

mode

selector:

the

"F"

position, the decimal floats and the underflow system works

protect

thesignificantdigits.

the

"CUT"

position,

answer is automatically

cut

off

at 2decimal

places, applying floating mode

for

entry

and intermediate result.

the

"5/4"

position, an answer

rounded

off

in thesame

way

asabove.

2/BAlTERV

MAINTENANCE

This calculatoroperates

either dry batteries

(with

an ACadaptor).

DRY BATTERY OPERATION

Two

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

the

back

the

unit,

remove dead batteries and insert new batteries

with

polarity

indicated.

sure

replace

both

batteries.

*Never leave

dead

batteries in

the

battery box as they may cause malfunc-

tions.

is recommended

that

batteries be replaced once ayear

prevent the

chance

malfunctions due

batteryleakage.

OPERATION

Use

only

an adaptor

with

the

same voltage rating (100, 117, 220

240VI as

your

power

supply

prevent componentdamage. Plug the

adaptor

into

the AC

outlet

andcord

into

the

unit, this automatically cuts

off

batterypower

supply.

,,_

13I!1!B··

!:i3U

*WHERE USED FROM THE

MAINS

THIS CALCULATOR

MUST

ONLY

USED WITH ACASIO

MAINS

ADAPTOR. THIS IS

DUE

TO THE RISK

DAMAGE TO THE CALCULATOR SHOULD

USED WITH A

MAINS ADAPTOR OTHER THAN ACASIO

MAINS

ADAPTOR.

OVERFLOW

Overflow

indicated

the

"En sign

and

stops further calculation.

release

the

overflow

check, press the

key.

Overflow

occurs:

When

the

integer

part

an answer, whether intermediate

final,

ex~

ceeds 8digits

digits

for

negatives). However,

the

significant digits

theanswerare givenand

the

decimal

point

indicates

that

the

true

decimal

position is 8digits

the

right.

When

the

integer part

an accumulated total in

the

memory exceeds8

digits

for

negatives). ®

4/SPECIFICATIONS

Abilities:

Four basic calculations, constants

for

-I

xI+ , automatic accumulation

four

functions, direct access

the memory, percentage calculations

including add-onsldiscounts and mark-ups, square roots and various kinds

practical calculations.

Capacity:

8digitsincluding minus(- )sign.

Read-out: Digitrontubepanel, suppressing unnecessary

O's

(zeros).

Decimal

point:

Full floating,

fixed

with

cut-off

round-off

2decimal

place.

Overflow

check:

Indicated

the

"E"

sign, locking thecalculator.

Main

component:

Onechip LSI

Power

consumption:

0.2

Power

source:

AC; 100, 117,220

240V

(::l::

10V), 50/60Hz,

with

an applicab'e

adaptor.

DC:

Two

size manganese

dry

batteries (UM-3) give approximately 8

(J)

hourscontinuous operation (16

houts

type

SUM-3).

Ambient

temperature

range:

OOC

-40°C (32°F - 104°F)

Dimensions:

19.7 mmH x

mmW

136

mmO

(3/4"H

3"W

5-3/8"0)

Weight:

142g

oz) including batteries.

GUIDELINES LAID

DOWN

FCC RULES FOR USE OF

THE

UNIT

THE U.S.A.(notapplicable

othEirareas).

This equipment generates and uses radio frequency energyand

not

instal-

led and used properly,

that

is, in

strict

accordance

with

the manufacturer's

instructions,

may

cause interference

radio and television reception.

has

been typetestedand

found

comply

with

thelimits

for

aClass Bcomputing

device in accordance

with

the specifications in SubpartJ

Part 15

FCC

Rules,

which

are designed

provide reasonable protection against such in-

terference in aresidential installation. However, there is

guarantee

that

interference will

not

occur

aparticular installation.

this equipment does

cause interference

radio

television reception, which can be determined

turning theequipment

off

and on, theuseris encouraged

try

correct

theinterference

one

thefollowing measures;

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