Casio PF-8000 Operation Manual

OPERATION MANUAL

MANUAL

DE

OPERACION

CASIO

PF-8000

103A M @S")(pj)

Printed

in

Japan

'

Doar

rustomiit,

Thank

you

vory

mm h lot

IHIM

hosing

the

Casio

PF-800U

This

is a

highly

pui

uMu

Id

<li<ni

Hectronic

calculator

nni>nl>ln

n*

ilmni!"/""

M

in the two

s<!|>iii!ii« i ni<t(i"i

H"..

n.unely,

telephone

nunil"'i'.

iiml

iniimniiiMilimi

Please

read

this

insimcllun

m.jnual

carefully

so

that

yim < iin

lully

unilri

-.i.iiid

each

of the

calcul.itoi's

liuu

timis

and

handle

it

properly

*Special

care

should

bo

tiikon

not to

damage

the

unit

l>y

ln>inlini/

<>i

drop-

ping.

For

example,

do not

curry

it in

your

hip

pocket

CONTENTS

Prior

to Use

.

4

Use

precautions

4

Power

Supply

and

Battery Replacement

5

Auto Power

Off 8

Contrast

Adjustment

8

RAM

Pack

for

Expansion (option)

9

Each

Section's Nomenclature

and

Operation

11

Nomenclature

13

Finger

Writing Function

18

Data Bank Functions

22

Data

storage format

23

How

to

count

the

number

of

stored characters

23

TEL

function

25

MEMO

function

36

SECRET

function

43

COMMAND

function

46

Data

input

errors

51

2

Calculation Function
Specifications

CALCULATION

EXAMPLES

52
54

111

Prior

to Use

This

calculator

has

been manufactured using

Casio's

advanced electronics technology

under strict quality control conditions.

•

Use

precautions

•

This calculator

is

composed

of

precision electronic components. Never

attempt

to

take

it

apart. Avoid

shock

such

as

throwing

or

dropping.

Do not

subject

it to

sudden tem-

perature

changes.

Do not

leave

or

store

it in

hot,

humid

or

dusty places.

At low

tempe-

ratures

the

display

may

have a slower

response

or

fail

to

light

up. It

will

return

to

normal

when

the

temperature

becomes

normal.

•

Replace

the

batteries

at

least

every 2 years

even

when

the

calculator

is not

used.

Do

not

leave

old

batteries

in

place

since

the

electrolyte

may

leak

out and

cause

damage.

•

Avoid

using

thinner, benzine

or

other volatile,

liquid

to

clean

the

calculator. Wipe

it

with

a dry

cloth

or a

cloth

dipped

in a

neutral detergent

and

wrung dry.

•

When

strong static

electricity

is

applied

to

this

calculator,

the

display contrast

may

weaken

or

functions

may not

work properly.

In

such

cases,

remove

and

reinstall

the

main batteries then resume normal operation.

CAUTION:

USE

FINGER ONLY

Characters

should only

be

drawn

on the

screen

by

finger.

Avoid using a pointed

object

as it

could

damage

the

screen

or

internal

circuit.

I

Power

Supply

and

The

calculator

uses

two

CR2032

lithium

batteries

for

calculation/dlnpliiy

ll

nhu

uses

one

CR1220

lithium

battery

for

memory backup.

If

display

contrast

Is

low

nvnn

when

the

contrast control

(p. 8)

adjusted

to the

maximum,

it

indicates that

thct

hniim

inn

luive

become weak.

Replace

the

batteries

as

soon

as

possible

using

the

procedurti

<lm<.iilmcl

below.

If the old

batteries

are not

replaced, memory

may be

lost.

Even

whun

tint

ml

culator functions normally, replace batteries

every 2 years.

•

How

to

replace

the

batteries:

1.

Calculation/display

batteries

(DTurn

off the

power switch,

remove

the two

screws

on the

back

of the

unit

and

take

off the

back

cover.

Please

refer

the

figure

shown below.

(2)

Remove

screw

(§)

and

remove

the

battery-retaining plate.

(3)

Take

out the

both

old

batteries.

(4)

Wipe

the

surfaces

of the two new

batteries well

with

a dry

cloth

and

insert them

with

their

(+)

sides

(flat

sides)

on

top.

(5)

Hold

down

the new

batteries

with

the

battery-retaining plate

and

replace

screw

® .

(6)

Hook

the

back

cover

claw

to the

main

body

and

replace

the two

screws.

"Be

sure

to

rep/ace

both

batteries.

2.

Memory backup battery

Turn

off the

power switch

and

follow

the

same

procedure

as in

trm

(MM

nt

main

hnltRry

replacement, beginning

by

removing

screw

(g).

Replace this

auxiliary

Imtlmy

eivnty

2

years

irrespective

Of

main

battery

replacement.

Note:
If the

main batteries

for

calculation/display

and the

auxiliary battery

for

memory

beck

up

are

removed

at the

same

time,

the

memory contents

will

be

lost.

Be

sure

to

keep

either

in

place.

*

Never

throw

the old

batteries

into a fire.

This

is

very

dangerous

because

they

are

likely

to

explode.

*

Never confuse

the (+) and

(-)

sides

of the

batteries.

Store

the

batteries

out of

reach

of

infants.

If an

infant

swallows a battery,

consult

a

physician

at

once.

This

is an

automatic power saving

function

for

preventing wasteful power consumption

that

will

result should

you

forget

to

turn

off the

power switch.

The

power supply

is

automatically

cut off

about 6 minutes after

completion

of

operation.

In

this

case,

power

can be

resumed

by

pressing

the

c*jjokey

or

turning

the

power switch

off and

then

on

again.

*

Even when

the

power

is

off,

independent

memory

and

data memory contents

are

retained. However, mode designations ( ua , H , Hmo*,

etc.)

are

canceled except

that

of the

finger

input

mode

( D ).

Adjustment

of

display contrast

can be

performed using

the

adjustment

control

located

on

the

right

side

of the

unit.

Turn

in the

direction

of the

arrow

to

increase contrast.

Turn

in the

opposite

direction

to

reduce contrast. This

is

used

to

compensate contrast

of

the

display

in

accordance

with

battery capacity

or to

adjust

to

compensate

for the

viewing angle.

The

RAM

area

of

this

calculator's

data

memory

is

929

charactun

(•|I|IMIM|MIM|H|V 1 kilo-

byte),

but the

addition

of the

optional

RAM

Pack

(OR-20)

Incrnnwi*

Urn

ninn

to

2977

characters

(approximately 3 kilobytes).

•

How

to

install

the RAM

pack

(OR-20)

<Preparation>

If the RAM

pack

is-

handled carelessly,

its

internal

circuit

may bo

diMtrnyiNl

by

Mntlr

electricity.

Therefore, before handling

the

pack, touch a door knob

or

nihm

motiillic

object

to

discharge

the

electrostatic

charge

contained

in

your body.

<Procedure>

1)

Turn

off the

power supply.

(Power

switch

-»

OFF)

2)

Remove

the two

screws

on the

back

and

take

off the

back

cover.

(See

page

5)

3)

Move

the

clasp

of the RAM

pack

downward. Insert

the

pack

in the

socket

of the

main body

and

slide

it in

while

holding

the

clasp.

*

Never

touch

the

connector

on PCB pad of the RAM

pack.

PCB

pad

Socket

Slide

to

secure

the

pack

Clasp

4)

Screw

on the

back cover.

5)

Press

the

"All Reset"

button

using

pointed

object after

turning

on the

power switch.

•If

this

button

is not

pressed, memory contents

may be

changed

or a

meaningless

display

may

appear.

6)

Confirm

the

display shows

"L

2977:11

95" by

pressing

"cf H using

the

CAPACITY

command

(see

page

46).

* If

dust, fingerprints, etc.

are

allowed

to get

onto

the

connector

or PCB pad of the

pack,

poor contact

may

result.

Therefore, these must

never

be

touched.

*

After removal

of the

pack,

be

sure

to put it in its

case

and

store

it in a

place

which

is

free from dust.

70

ismok

Display

window

Power

switch

Special

operation

keys

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Root

key

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1

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o

Contrast

control

Memory

keys

Arithmetic

operation keys

Numerical

f*

keys/decimal

key

no»uri

311

O3

y'0^"

^

isttf

-*-

U

-

3VA

0

rc|

p-

All

Reset

button

j

•

KSET

(

CAKO

PF80OO

r

Sv. . .-J

i

•

Nomenclature

•

RESET

All

reset

button

(On the

back panel)

• For

clearing

all

memory

contents.

•

Use

this immediately after purchase

or

when

you

want

to

claar

.ill

data.

•Calculation

keys

(Keys

on the

Input

Screen-

used

in the

touch

modi.)

EO ~ (D , Q

Numerical keys/decimal

key

•

These

are

pressed

to

input

numerical

values

into

the

calculator.

Press

(Zl

to

indicate a decimal

point.

•

These keys

are

also

used

when a phone number

is

input.

(Puu<>

27)

•

The O key is

displayed

"0" to

avoid confusion

with

the

lottot

"O".

Q f B

, a , B , B Arithmetic operation

keys/equal

key

•

Press

the

necessary

keys

for

arithmetic operation.

•

The B key

obtains

an

answer.

•

When these

are

pressed after pressing

the

^key,

each

will

be

displayed

as a symbol.

(Page

27)

(%)

Percent

key

•

Press

this

key

to

percentage

calculations.

•

When

this

key is

pressed after pressing

the

,

("») , ®

Memory

keys

>

key,

it

will

be

displayed

as a

symbol.

•

When a numerical value

is to be

input

into

the

memory

as a

positive

value, press

the

(M+|

key. When

it is to be

input

as a

negative value, press

the B

key. When a numerical

value

stored

in the

memory

is to be

displayed,

press

the

|«5)

key. When

the

(Sc|

key is

pressed,

the

numerical value stored

in the

memory

is

deleted.

•

When

this

key is

pressed

after

pressing

the

^key,

it

will

be

displayed

as a character.

B

Clear

key

•

When

an

erroneous numerical value

is

input,

it can be

cleared

by

pressing

this

key

immediately after

input;

also

releases

overflow

or

error check.

BD

All

clear

key

•

Press

this

key

when beginning a calculation

or

when starting

completely

over again;

also

releases

overflow

or

error check.

14

•Special

operation

keys

(Keys

below

the

display

window)

T=3

Finger/Touch mode

key

•

Finger mode

( a

mark

appears)

— 48

types

of

characters

(alphabot,

iiiiiniiniK

;md

symbols)

can be

input

by

finger

writing

using

the

Input

Screen.

There

are

many kinds

of

writing

forms

in the

world.

This

unit

recognizes

only

standard alpha-numeric characters

written

in

tho

(onns

shown

on

page

21.

•

Touch

mode

( a

mark disappears) — Numerical

and

arithemetic

operation

keys

on

the

Input

Screen

can be

input.

(Symbolized here

as ED ).

"a"

Data

input/output

mode

key

•

Press

this

key for

data

storage,

no

will

be

displayed

and

data

can be

input . This

key

is

also

pressed

with

performing data correction

or

deletion.

(Page

35, 36)

• If

this

key is

pressed

while

ra is

displayed,

na

will

disappear

and the

output

mode

will

be

designated.

(Symbolized here

as

S ).

e=i

Display clear

key

•

Press

this

key to

clear

the

display.

•

This

key is

also

pressed when

deleting

data.

(Page-36,

42)

•

After

this

key has

been pressed,

arithmetic

operation

key

input

will

be

displayed

as

, c symbols.

(Page

27)

a , a Cursor keys

•

Press

these

keys

when

the

cursor

position

is to be

shifted.

When

one of

these keys

is

pressed

once, a shift

of one

display

location

results.

If it

remains depressed,

the

shift

is

automatically repeated.

a

Delete

key

•

Press

to

delete

one

character

to the

left

of the

blinking cursor.

(Page

28)

'•"-'"

Command

key

•

Each

time

this

key is

pressed, five commands

are

displayed.

•

When

the

desired

command

is

displayed,

press

the o key and the

command

will

be

executed.

(Page

46)

• In the

input mode, after "BUZZER

ON(OFF)"

is

displayed

"AUTO

INPUT^"and

"AUTO

INPUTV

are

displayed

but

these commands can't

be

executed.

(Symbolized

here

as H .)

B

Execute

key

•

This

key is

used

to

execute

the

command specified using

the &

key.

(Page

46)

crbTEL

input/output

key

•

Press

this

key to

input/output

telephone numbers, etc.

(Page

26)

16