Casio FR-101 Manuale utente

CASIOFR-101

pg

MANUAL

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OPERATION

MANUAL

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INTRODUCTION

Dear

customer,

Thank

you

very

much

for

purchasing

this

most

advanced

programmable

printing

cal-

culator.

This

precise

electronic

unit

with

its

Digitron

visual

display

will

solve

and

give

a

printed

record

of

all

types

of

business

calculations

with

up

to

10-digit

accuracy.

It

can

also

store

repeatable

calculations

with

up

to

32

steps.

A

real

heavy

duty,

adding-

machine-like,

keyboard

design

enables

you

to

perform

quick

blind-touch

operations.

To

utilize

its

full

features,

no

special

training

is

required

but

we

suggest

you

study

this

instruction

manual

to

become

familiar

with

its

many

capabilities.

This

manual

has

been

written

to

assist

you

in

understanding

the

various

control

keys

and

functions

of

the

calculator

through

simple

examples

from

basic

operations

to

complex

applications.

Your

nearby

dealer

will

be

pleased

to

offer

any

further

assistance.

CONTENTS

1

GENERAL

GUIDE

jinn

eos

rcs

PER

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w

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ors

enw

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ads

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3

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RE

IN

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7

4/PROGRAM

FUNCTION

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SI

SPECIFICATIONS

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wn

ars

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ae

12

6/OPERATIONAL

EXAMPLES...

..........

2.0

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cece

nce

eees

25

61

ADDI

ION/SUBT

RAC

TION

ico.

oy:

tide

ek

ae

Get

as

BGR

Be

BG

Ae

ene

ES

oc

25

6-2

MULTIPLICATION/DIVISION.

.

2...

2.

ee

een

~27

6-3

TOTAL

IN

MULTIPLICATION/DIVISION,

...

0...

2...

00

cee

ec

ee

eee

28

6-4

MULTIPLICATION/DIVISION

WITH

A

CONSTANT.

...........0.0.0000020005

29

6-5

SQUARES/POWERS

&

RECIPROCALS.

..

2...

30

6-6

MEMORY

CALCULATIONS

........

20.00.02.

ee

ees

30

DoT’

PERCENT

AGES

S338.

cit

hice

Waits

wee

gah

owl

ris

Ged!

Boe

acer

es

ca

Gs

Sagan

@

Goes

33

Os

PRACTICAL

EXAMPLE:

oil

6.t2

ca

wa

aleh

eae

OL

eR

ROS

Kees

wk

Sk

34

HOW

TO

LOAD

THE

ROLL-PAPER

1)

Set

the

power

switch

to

“ON”.

2)

Insert

the

roll

holders

into

their

mounting

brackets

(Fig.

1).

3)

Cut

across

the

paper

to

form

a

clean

end

(Fig.

2}.

4}

Insert

the

leading

end

of

the

roll-paper

into

the

feed

slot

and

keep

pressing

(ro

key

until

the

leading

end

comes

out

(Fig.

3).

5)

Clip

the

roll-paper

onto

the

spring

arms

(Fig.

4).

NOTE:

The

roll-paper

should

be

advanced

only

by

pressing

the

‘eo|

key

when

loading

or

cutting

it

off

with

the

paper

cutter.

Never

pul!

out

the

roll-paper

by

hand

as

this

may

cause

mal-

functions.

It

is

recommended

that

ANTI-DUST

type

roll-paper

be

used

to

prevent

illegible

printing.

(Fig.

1)

HOW

TO

CHANGE

THE

INK

ROLLER

The

printer

in

this

modej

uses

an

tnk

roller.

lf

impressions

are

too

light

or

illegible,

replace

the

ink

roller

with

a

new

one.

1)

Open

the

printer

cover

{Fig.

1).

2)

Remove

the ink

roller

by

pulling

it

up

(Fig.

2).

3)

Install

a

new

ink

roller

(Fig.

3).

4)

Make

sure

the ink

roller

is

in

place,

and

reptace

the

cover.

NOTE:

Never

fill

the

ink

roiler

with

ink

for

pens,

printing,

etc.

as

it

may

run

or

clog

the

printer.

(Fig.

3)

a

Ink

roller

—?-

1/GENERAL

GUIDE

xz

Cc <=

(23)

|

22)

:

1417118)

|

q-.—-

ga

eon

ee

11001111

i

i(7)

(9):

a

——(6}

20

——+

Fr

|

2S)

&e>+———s

(21)-

—:

@

=)

}

+f

oe

|

PP

teon

AGG]

|

(O}

(00)

(+):

3

8

{

(31(4}

I

(16)

(13)

(2}

(15)

(12)

(19)

wll

(1)

Li

*

POWER

SWITCH:

OFF:

Power

is

turned

off.

ON:

Power

is

turned

on.

Only

the

visual

display

is

activated.

PRINT

ON:

Every

keyboard

entry,

result

and

contents

of

the

memory

including

all

opera-

tion

symbols

are

printed.

The

item

counter

is

activated

and

the

number

of

items

added/subtracted

is

printed

out

with

the

answer

when

the

‘o]

or

key

is

pressed.

(2)

[0]

~[S)},

(00),

(-],

NUMERAL,

TWO-ZERO

and

DECIMAL

POINT

KEY:

Enters

numerais

up

to

10

digits.

For

decimat

places,

use

the

[-]

key

in

logical

sequence.

(3)

PLUS

KEY:

[Prints

+]

Adds

a

number

to

the

tota!

register.

(4)

S

MINUS

KEY:

[Prints

-]}

subtracts

a

number

from

the

total

register.

(5)

EJ

MULTIPLICATION

KEY:

[Prints

x

or

Kx]

Enters

multiplicand,

or

constant

multiplier

by

pressing

twice.

(6)

&

DIVISION

KEY:

[Prints

+

or

K+]

Enters

dividend,

or

constant

divisor

by

pressing

twice.

(7)

EJ

EQUAL

KEY:

(Pinion

Obtains

answer

in

x/+

operation.

(8)

(0)

SUB-TOTAL

KEY:

Prints

a

sub-total

(intermediate

resuit)

in

addition/subtraction.

[Prints

o}

-3-

(9)

TOTAL

KEY:

(Prints

*

|

Prints

a

total

in

addition/subtraction.

(10)

{(¥-]}

MEMORY

PLUS

(MINUS)

KEY:

[Prints

M+

(M—}]

Positively

(negatively)

accumulates

an

entry

and/or

result

obtained

into

the

memory.

Obtains

product/quotient

and

automatically

accumulates

tt

into

the

memory

positively

(negatively).

(11)

Wee]

MEMORY

RECALL/MEMORY

CLEAR

KEY:

Recails

the

contents

of

the

memory

onto

the

display.

[Prints

M]

This

key

also

clears

them

when

pressed

twice

successively.

[Prints

MC]

(12}

PERCENT

KEY:

[Prints

%]

Performs

percentage

calculations

—

regular

percentages,

add-ons/discounts,

ratios

and

increase/decrease

catculations.

(13)

SIGN

CHANGE

KEY:

Changes

the

sign

of

the

displayed

number

from

plus

to

minus

and

vice

versa.

(14)

(P}

PRINT

KEY:

Prints

the

displayed

number

with

the

power

switch

at

the

‘‘ON’’

position.

[Prints

P]

Prints

an

entry

as

dating

and/or

coding

information.

[Prints

#]

(15)

]

CLEAR

KEY:

Clears

the

latest

entry

for

correction.

When

pressed

after

the

J

{or

G)

key,

it

clears

the

x/+

operation.

{Prints

O-C}

(16)

GJ

CLEAR

ALL

KEY:

(Prints)

Clears

the

entire

machine

except

the

memory,

and

releases

overflow

or

error

check.

This

key

also

makes

program

storing

possible.

(17)

3"

REPEAT

KEY:

[Prints

------+---+---

R]

Memorizes

repetitious

formulas

(program)

so

that

only

variables

in

a

calculation

need

be

entered,

(18)

(K}

CONSTANT

ENTRY

KEY:

Sets

constants

in

program

calculations.

(19)

©

RUN

KEY:

Enters

variables

into

a

running

program.

(20)

Fis;

DECIMAL

MODE

SELECTOR:

At

“F’

position,

the

decimat

floats

and

underflow

system

works

to

protect

the

significant

digits

in

all

calculations.

At

“CUFT”

position,

the

answer

is

automatically

cut

off

at

the

decimal

place

indicated

by

the

decimal

piace

setector

mentioned

below.

At

5/4"

position,

the

answer

is

rounded

off

in

the

similar

way

to

the

above.

«In

“5/4”

mode,

an

answer

in

x/+

operation

is

printed

out

with

symbol

{5/4}.

Note:

Each

entry

is

cut

off

or

rounded

off

in

addition/subtraction.

However,

the

finat

result

is

cut-off

or

rounded

off

in

x/+

operation

and

entry

and

intermediate

results

are

in

the

floating

mode.

(21),

DECIMAL

PLACE

SELECTOR:

Prefixes

the

decimal

place

at

0, 2,

3

or

4

position.

At

“ADD

{.)"

position,

numbers

with

decimal

places

can

be

entered

without

pressing

the

(-}

key

in

addition/subtraction

and

the

decimal

point

is

automatically

displayed

and/or

printed

out

at

2

decima!

position.

(22)

PAPER

FEED

KEY

Advances

the

paper

tape.

(23)

ADAPTOR

JACK

2/NOTICE

2-1

CARE

OF

YOUR

UNIT

*

Since

the

unit

contains

precise

electronic

components,

never

attempt

to

disassemble

it.

”

Be

careful

not

to

drop

the

unit

or

handle

it

roughly,

*

Avoid

operating

the

keys

roughly.

Two

or

more

keys

should

not

be

pressed

simultaneously

as

this

may

damage

the

unit,

*

Avoid

using

the

unit

in

extreme

temperatures

(below

32°F

or

OC,

or

above

104°F

or

40°C}.

Aiso

protect

the

unit

from

extremely

dusty

or

humid

conditions.

*

The

unit

should

be

operated

only

when

the

roll

paper

is

set

properly

and

keys

are

pressed

firmly

and

separately,

*

Never

use

volatile

fluid

such

as

lacquer

thinner,

benzine,

etc.

for

cleaning

the

unit.

2-2

POWER

SOURCE

This

calculator

operates

by

either

dry

battertes

or

AC

(with

the

AC

adaptor).

DRY

BATTERY

OPERATION

When

battery

power

decreases,

printing

speed

becomes

slow.

It

is

recommended

that

batteries

be

renewed.

Switch

off

the

power

before

changing.

Replacement

of

batteries:

1)

Slide

open

the

battery

compartment

lid

on

the

|

back

of

the

unit.

|

2)

Remove

dead

batteries.

|

3}

Insert

new

batteries

with

the

polarity

as

indi-

|

cated.

4)

Replace

the

cover.

:;

*

Be

sure

to

replace

all

four

batteries.

|

*Do

not

leave

dead

batteries

in

the

battery

|

compartment

as

they

may

cause

malfunctions.

*It

is

recommended

that

batteries

be

replaced

every

18

months

to

prevent

the

chance

of

|

malfunctions

due

to

battery

leakage.

|

AC

OPERATION

|

ory

Use

oniy

an

adaptor

with

the

same

voltage

rating

-

(100,

117,

220

or

240V)

as

your

power

supply

to

!

|

a?

prevent

companent

damage.

|

3

BA

of

ee

Plug

the

AC

adaotor

into

the

AC

outiet

and

the

;

ee

ie

se

cord

into

the

unit,

this

automatically

cuts

off

battery

power

supply.

"WHERE

USED

FROM

THE

MAINS

THIS

CALCULATOR

MUST

ONLY

BE

USED

WITH

A

CASIO

MAINS

ADAPTOR.

THIS

iS

DUE

TO

THE

RISK

OF

DAMAGE

TO

THE

CALCU-

LATOR

SHOULD

IT

BE

USED

WITH

A

MAINS

ADAPTOR

OTHER

THAN

A

CASIO

MAINS

ADAPTOR.

2-3

BUFFER

REGISTER

This

calculator

is

equipped

with

an

tnput

Buffer

Register

which

retains

up

to

7

key-in,

whether

numeral

entries

or

function

commands.

It

enables

very

fast

operation

even

while

the

is

still

being

processed.

2-4

AUTOMATIC

COMMA

MARKER

FOR

LARGE

FIGURES

Comma

markers

given

on

the

print-tape

enable

you

to

read

figures

more

easily

by

grouping

integers

in

three’s

starting

from

the

decimal

place.

Comma

markers

also

mark

off

large

figures

in

the

visual

display

in

groups

of

three

from

the

decimal!

place.

2-5

OVERFLOW

CHECK

Overflow

is

indicated

by

an

“E’

sign

and

stops

further

caiculation.

To

release

the

locked

registers

caused

by

the

overflow

check,

press

the

@

key.

Overflow

occurs:

1)

When

the

integer

part

of

an

answer,

whether

intermediate

or

final,

exceeds

10

digits.

2)

When

the

tnteger

part

of

an

accumulated

tota!

in

the

memory

exceeds

10

digits.

In

the

case

of

1),

however,

it

displays

and/or

prints

the

significant

digits

of

the

answer

and

the

decimal

point

indicates

that

the

true

decimal

position

is

10

digits

to

the

right.

EXAMPLE

COOPERATION

PRINTING

OO

READ-OUT

__

ay

ee

il

12345678

100000

12345678

|

129345:678«

x

12345678.

=

1234567800000

lovog

:

100:000+

123.456780€e

(Answer

reads

12345678G00000)

m

tt

1234567800

(To

start

a

new

calculation)

@

eeQee

0

Ba

eS

oe ee

ae

a

ia,

ek

ee

sonal

Memory

protection:

.

Aithough

overflow

may

occur,

any

total

accumulated

in

the

memory

will

be

retained

and

recalled

by

the

“d

key

after

pressing

the

@

key.

EXAMPLE

OPERATION

PRINTING

READ-OUT

9999999999+1

|

O+M

O.

=

10000000000

be]

MC

O.

9999999999"

|

9:9997999,999eM+

|

“

9999999999.

Jimi

1°

M+

i

E.

ME

|

caer

si

O.

me!

§

9

399939991999+™

“

9999999999.

Pie

Se

el

oe

2-6

NON-ADD

PRINTING

For

dating

and

coding

information,

use

the

'P

key

immediately

after

entering

appropriate

numerals

and

the

number

is

printed

out

with

symbol

(#)

without

affecting

any

other

registers.

EXAMPLE

OPERATION

PRINTING

READ-OUT

ed

;

a

ee

a

Date:

May

17,1983

17705

'-'83'P]

.

41705

*Q3eecees

1705.83

Code

No,:

10022

100

DD

P:

FIOOLC

+e

eeeccs

|

1TOO22,

p:

key

prints

out

only

a

displayed

number

with

the

power

switch

at

“ON”

without

affecting

any

other

operations,

EXAMPLE

OPERATION

PRINTING

READ-OUT

HON”

“Re

123

.

so

|

0.

456

1239

|

,

123:

-389

456

.

579.

260

3898

190.

450

Pp

190°P

190.

2608

450.

iP

450¢P

450,

3

/CORRECTION

1.

Use

the

@

key

to

clear

mis-entered

number

and

re-enter

correctly.

2.

When

the

wrong

entry

and/or

command

are

found

after

pressing

the

command

key,

use

the

&

key

and

start

from

the

beginning.

However,

the

correction

of

commands

between

x

and

=

is

made

by

successive

depression

of

the

proper

command

key.

EXAMPLE

12345678

=4374864

345

678

-901

747

869

3.

While

obtaining

an

accumulated

totat

using

the

memory:

a)

When

a

mis-operation

is

found

before

accumulating

the

result

into

the

memory,

press

the

OPERATION

a

=

rs

1238

{Mistake}

447

(To

correct)

Go

4568

786

al

ad

S

3459

678

(Mistake)

9h

(To

correct}

9018

7478

PRINTING

123

G566«

76e¢

49374

»6864G6

eeQee

345°

+

678"

+

900¢-

900+

+

901¢-

747s

4

Chtreresseaserece

869

«

Nal

Na

Nn

GNM

NB

@

key

to

clear

the

working

registers

and

re-operate

correctly.

b}

When

a

mis-operation

is

found

after

having

accumulated

the

result

into

the

memory,

press

M4]

or

-]

key

to

add

or

subtract

the

same

number

to

or

from

the

memory

and

re-operate

cor-

rectly.

x

PP

PN

Ne

FN

PL

FLL

FNL,

¢

PN

Ne

APN

INN

ee

TE

NEN

SSS

f

|

PWD

LO

LPNS

LN

FN

PS

OS

NS

READ-OUT

123.

447.

0.

96088.

4374864,

0.

345.

1023.

123.

1023,

122.

869.

4/PROGRAM

FUNCTION

*

This

calculator

has

a

program

memory

of

32

steps.

With

the

program

function,

complex

repeated

calculations

are

no

longer

time-sonsuming

chores.

Prior

to

storing

a

program,

press

§&

to

designate

the

program

calculation

mode,

and

after

storing

press

““""

|

Then

you

can

perform

repeated

catculations

simply

by

entering

variables.

Example

1:

Pro-rating

Division

—

A

$225

C

.

135

Sales

amount

_

ae

ee

ATS

eee

See)

ae

See

A

OPERATION

PRINTING

READ-OUT

Indicates

variables

of

repeat

calculations

(Storing

program)

“F

eh

ee

can

be

entered.

ical

esQee

O.

2258

+

|

225.

(Entry

of

constant

“1500")

K

15('l%)

19500¢

%

Loe

15,

(Termination

of

storing)

fo

PSE

R

O.

(Execution

of

program)

375m

215°

=

Total

8

steps

|

12500"

%

25+

wooo

nneeseeee=

R

25.

135m

13506

+

17500"

%

Je+

ween

--eeen

n=

R

9.

5

10mm,

510"

+

19500+*

%

34e+

ects

R

|

34,

255

mm

255¢

+

|

1295005

%

17e+

|

ian

es

acl

oan

mace

R

:

17

(Total)

15

loolin

17500*

+

129500+%

%

100¢

+

eee

ene

yn

R

100.

=

8

=

*

To

change

from

the

program

mode,

press

§

and

the

stored

program

wil!

be

cleared,

f

ey

Pi

ee

®

Program

steps

7

wo,

T7005

x

*When

a

program

reaches

the

32nd

step,

“@

"

wiil

appear

indicating

programming

has

reached

its

40°%X

|

limit.

In

this

case

subsequent

calculations

can

be

performed,

but

they

will

not

be

stored

as

a

pDro-

i

gram.

|

280+*00

+

;

*

Program

step

counting

1.

A

variable

is

counted

as

one

program

step.

|

980

*00

+%

2.

An

instruction

key

is

counted

as

one

step.

|

3.

Apress

of

the

kK

key

is

counted

as

two

steps.

|

Z

|

4.

Each

digit

of

a

constant

is

counted

as

one

step.

|

er

2°35

%=

Example:

Variables

|

a

‘Constant

|

617*02

1

23804'°

568k

850G6

|

es

eee

ee

R

'

417.02

No.

of

steps

1

1 1

2

1 7

#74

=1

Total:

10

steps

:

Example

2:

Calculate

the

selling

prices

of

items

whose

purchasing

prices

are,

respectively,

$500,

$600

and

$700

when

the

profit

rate

to

each

purchasing

price

is

40%,

Also

convert

the

unit

from

dotiars

to

marks,

(Assuming

$1.00

=

DM2.35}

Example

3:

Perform

example

2

with

the

power

switch

at

the

“ON”

position

to

obtain

print-out

of

results

only.

OPERATION

PRINTING

READ-OUT

OPERATION

PRINTING

READ-OUT

"5/4"

Dec.

2

Pare

rena!

“ON,

"5/4",

Dec.

2

=

0.

g

O.

5

(00

500e

x

5

00

&

500.

IK}

a

%

GO

%X

nee:

KI4O'%!

200,00

Kj

Prd

|

.

700.00

:

200°00+

|

200.00

ocetae

Raat

gies

cceete

|

P

|

700*00

700.00

:

K'i2i-

358

si

297.87

8

700+

+

700.

Fi

297

+87

P

297.87

|

:

|

297

B87

|

297.87

oT

eee

R

QO.

|

lola,

840+00P

ae

ee

0.

G

[oo]

6

00

ia

600%

x

357045

P

4OeNx

|

a

(Pot

oo

See

R

|

357.45

|

,

7

(00)

box

980*00P

|

B40*O00+xX

|

!

417*02P

|

B40"

=

|

er

i

eee

R

|

417.02

357045

re

ee

eee

a

R

|

357.45

Oc

oa

-

—9-

~10-

Example

4:

Accounts

Article

Quantity

=

Unit

price

Amount

_..

200...

$56.00

_

$14,000.00

=

380

96.25

36,575.00

|

(

420

30,660.00

D

685)

19,522.50

Total

1,735

$100,757.50

OPERATION

PRINTING

“"B/4"

Dec.

2

te

QeK

eg

MC

cal

+eOee

2504

250*00

M+

x

|

250¢

x

568

56e

=

143000

*00

+

nn

R

380m

380

*00

M+

380*

xX

:

96°-1\25%

96625%=

|

36357500

+

weer

en

eee

RR!

420k

420*00

M+

420°

xX

73

7305%2

30266000

+

§)

—11-—

685

kx

28!:

Sin

be]

ca)

685*00

M+

685"

x

26°¢5%=

199522+50

+

OGreecesanavvoes

10039757¢50

x

eevee

12735°00M

a

——————

READ-OUT

0.

GQ,

0.

250.00

250.

14000.00

O,

380,

36575.00

420.

30660.00

685.

19522.50

100757.50

0.

1735.00

5/SPECIFICATIONS

Abilities:

4

basic

functions,

multiplication/division

with

a

constant,

squares

and

powers,

reciprocals,

sub-total

and

total,

addition/subtraction

with

item

counts,

ADD

mode

calculations,

addition/subtraction

by

repeat,

Memory

calculations,

percentage

calculations

and

various

kinds

of

practical

calculations.

Programmable

features:

Up

to

32

steps

{“Learn”

program).

Capacity:

(Disblayleneey

oc.

dee

ee

eon

hae

aoe

ae

nl

So

BE

ee

ea

es

10

digits

Printings.

‘Pigures:

“so

ec

a

We

Gs

Bat

ee

eo

eae

Be

Wc

ee

Se

he

10

digits

SYUGONS..

Se

Nov

ae

ee

eo

Bh

i

ha We

Ged

hn

Bee

tee

oe

ee

2

digits

PSCiiial-

DOIN

<2

a

tule

ee

Gea

we

Oe

Se

eee

es

1

digit

PTs

STEN.

©

Ss

ae

detach

A

eee

pera?

fin

We

Yor

Je

neat

ate

Sa

es

ie Be

a

AS

1

digit

Accumulation

into

the

memory

.......0..0.-.

008

0

eee

es

10

digits

PTOR-COUIUG

«ice

Aidaeh

oe

oh

ad

Rite

ce

cet

ewe

We

Bee

ee

ES

PES

Up

to

99

Decimal

point:

Full

floating

and

fixed

(0,

2,

3,

or

4)

with

round-off

or

cut-off.

ADD

mode:

Decimal

point

is

fixed

at

2

position.

Negative

number:

Printed

and/or

displayed

by

minus

{—)

sign.

Overflow

check:

indicated

by

printing

and/or

displaying

‘“E”

sign,

locking

the

calcutator.

Display:

Digitron

tube

panel.

Components:

One

chip

LSI

Ambient

temperature

range:

0°C

—

40°C

(32°F

—

104°

F)

Power

consumption:

2.6W

Power

source:

AC:

100,

1477,

220

or

240

V

(+10

V}

50/60

Hz,

with

an

applicable

AC

adaptor.

DC:

Four

AA

size

manganese

dry

batteries

(UM-3}

operate

the

display

for

approximately

7.5

hours

continuousty

(approx.

10.5

hours

on

type

SUM-3),

or

the

display

and

printer

for

approximately

2100

lines

of

“55555”

continuously

(approx.

3500

lines

on

type

SUM-3).

Dimensions:

56mmH

x

202mmW

x

216mmD

(2-1/4"H

x

8"W

x

8-1/2"D)

Weight:

616

g

(1.4

!b}

*

This

equipment

complies

with

the

requirements

in

CISPR

Pub.

14.

GUIDELINES

LAID

DOWN

BY

FCC

RULES

FOR

USE

OF

THE

UNIT

IN

THE

U.S.A.

(not

applicable

to

other

areas).

This

equipment

generates

and

uses

radio

frequency

energy

and

if

not

installed

and

used

property,

that

is,

in

strict

accordance

with

the

manufacturer's

instructions,

may

cause

interference

to

radio

and

television

reception,

It

has

been

type

tested

and

found

to

comply

with

the

limits

for

a

Class

8B

computing

device

in

accordance

with

the

specifications

in

Subpart

J

of

Part

15

of

FCC

Rules,

which

are

designed

to

provide

reasonable

protection

against

such

interference

in

a

residential

installation,

However,

there

is

no

guarantee

that

interference

will

not

occur

in

a

particular

installation.

If

this

equipment

does

cause

interference

to

radio

or

television

reception,

which

can

be

determined

by

turning

the

equipment

off

and

on,

the

user

is

encouraged

to

try

to

correct

the

interference

by

one

or

more

of

the

following

measures:

reornent

the

receiving

antenna

relocate

the

computer

with

respect

to

the

receiver

move

the

computer

away

from

the

receiver

plug

the

computer

into

a

different

outlet

so

that

computer

and

receiver

are

on

different

branch

circuits,

if

necessary,

the

user

should

consult

the

dealer

or

an

experienced

radio/television

technician

for

additional

suggestions.

The

user

may

find

the

following

booklet

prepared

by

the

Federal

Communications

Commission

helpful:

“How

to

Identify

and

Resolve

Radio-TV

Interference

Problems”

This

booklet

is

available

from

the

US

Government

Printing

Office,

Washington,

D.C.,

20402,

Stock

No,

004-000-00345-4.

SOME

SUGGESTIONS

ON

THE

CARE

OF

YOUR

NEW

ELECTRONIC

PRINTING

CALCULATOR

Your

new

electronic

printing

calculator

is

a

durabie,

precision-made

instrument.

To

help

ensure

this

we

recommend

placing

your

calculator

on

a

level

surface

not

subject

to

constant

suntight.

To

prevent

malfunctions

to

be

caused

by

electric

noise,

AC

power

should

not

be

taken

from

the

common

outlet

with

other

electric

appliances,

such

as

electric

typewriter

and

dritl,

etc.

Do

not

cover

or

place

paper

on

the

machine

while

it

is

in

operation.

Spilled

coffee

or

other

tiquids

can

cause

damage

to

the

cir-

cuitry,

so

please

take

care

when

placing

beverages

near

your

machine.

—1?-

ensee

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