Casio DS-1L User manual

DS-1L/2L/3L

Operating

Instructions

Bedienungsanleitung

Mode

d’emploi

Instrucciones

operacion

Istruzioni

per

l’uso

EGFSI

Printed

Japan/Imprimé

Japon

A900

12-O32007C

1/General

Guide

*All

examples

these

instructions

show

DS-3L.

Main

Key

Functions

Sign

Change

Key

Switches

the

sign

the

displayed

value

between

positive

(+)

and

negative

(=)

Right

Shift

Key

Shifts

the

displayed

value

the

right,

deleting

the

far

right

digit.

Example:

Operation

Display

change

1234

1235

Homa

1'234

(=)(Deletes

123.

1'235.

{4s}

Time

Key

Specifies

input

value

time

(sexagesimal)

value.

Switches

the

displayed

value

between

decimal

and

time

(sexagesimal)

format.

CUT

5/4

Rounding

Selector

Specifies

the

rounding

system.

Floating

decimal

point

system,

which

displays

the

value

without

rounding.

CUT:

Cuts

off

the

decimal

the

specified*

number

places.

UP:

Rounds

the

decimal

the

specified”

number

places.

5/4:

Rounds

off

the

decimal

the

specified*

number

places.

*Use

the

decimal

place

selector

specify

the

number

decimal

places.

4321

ADD:

Decimal

Place

Selector

Specifies

the

number

decimal

places

for

rounding.

Note

that

the

decimal

place

selec-

tor

valid

whenever

the

rounding

selector

any

position

other

than

Number

decimal

places

for

the

CUT,

and

5/4

setting

the

Round-

ing

Selector.

@WeError

Indicator

The

error

indicator

“‘E”

appears

the

display

whenever

any

the

following

condi-

tions

exist.

clear

error,

press

clear

the

error

and

continue

with

the

calcula-

tion,

clear

the

entire

calculation.

Whenever

the

integer

part

(the

value

the

left

the

decimal

point)

calcula-

tion’s

intermediate

result

final

result

becomes

greater

than

digits

(12

digits

with

the

DS-2L,

digits

with

the

DS-1L).

Along

with

the

error

indicator,

approxima-

tion

the

value

appears

the

display.

The

following

table

illustrates

the

value

that

appears

when

you

attempt

perform

the

calculation:

123,456,789

7,418,529

915,867,769,443,380

Model

Display

DS-3L

9.158677694433E

DS-2L_

—

915.867769443

DS-1L

91'586.77694

Whenever

the

integer

part

the

value

stored

independent

memory

grand

total

memory

greater

than

digits

(12

digits

with

the

DS-2L,

digits

with

the

DS-1L).

this

time,

the

display

shows

“‘0.”,

but

the

memory

retains

the

value

had

before

the

overflow

occurred.

Whenever

attempt

made

perform

division

zero

(as

0).

Whenever

the

profit

mark-up

calculation

100%.

Whenever

attempt

made

calculate

the

square

root

negative

value.

3/Power

Supply

The

Two-Way

Power

System

this

calculator

uses

solar

cell,

addition

one

CR2025

lithium

battery.

Unlike

calculators

equipped

with

solar

cell

only,

you

can

use

this

calculator

under

virtually

any

lighting

conditions,

long

there

enough

light

for

you

read

the

display.

Battery

Replacement

not

try

replace

the

battery

yourself.

Have

replaced

authorized

CASIO

dealer

service

center.

the

display

becomes

dim

and

difficult

read,

nothing

appears

the

display

when

you

press

(especially

when

lighting

dim),

you

probably

need

have

the

battery

replaced.

Have

the

battery

replaced

least

once

every

seven

years,

regardless

how

much

you

use

the

calculator

during

that

time.

The

battery

installed

the

factory

discharges

during

shipment

and

storage.

You

may

need

replace

the

original

battery

sooner

than

seven

years

after

you

purchase

the

calculator.

dead

battery

can

leak

and

damage

the

calculator

left

the

battery

compartment

for

long

periods.

eEven

the

battery

goes

dead,

you

can

still

use

the

calculator

under

solar

power.

Remember,

however,

that

memory

contents

will

cleared

available

light

drops

below

certain

level

while

there

battery

power.

Auto

Power

Off

Function

This

calculator

not

equipped

with

OFF

switch.

Instead,

switches

power

off

au-

tomatically

about

six

minutes

after

the

last

key

operation

performed.

restore

power,

press

egg.

Even

the

Auto

Power

Off

function

operates

clear

memory,

the

contents

the

independent

memory

are

not

cleared.

4/Important

Precautions

yes

arsprayea

Value

DEIWEET!

UCUIITAD

ain

wire

query

Rounding

Selector

Specifies

the

rounding

system.

Floating

decimal

point

system,

which

displays

the

value

without

rounding.

CUT:

Cuts

off

the

decimal

the

specified*

number

places.

UP:

Rounds

the

decimal

the

specified~

number

places.

5/4:

Rounds

off

the

decimal

the

specified*

number

places.

*Use

the

decimal

place

selector

specify

the

number

decimal

places.

4321

AOD.

Decimal

Place

Selector

Specifies

the

number

decimal

places

for

rounding.

Note

that

the

decimal

place

selec-

tor

valid

whenever

the

rounding

selector

any

position

other

than

Number

decimal

places

for

the

CUT,

and

5/4

setting

the

Round-

ing

Selector.

ADD2:

The

“Add

Mode”

automatically

adds

decimal

point

and

two

decimal

places

all

values,

even

you

don’t

input

decimal

point.

This

mode

very

useful

when

performing

calculations

dollars

other

monetary

systems

that

require

two

decimal

places.

Two

decimal

places

are

not

added

this

mode

you

press

the

key

while

inputting

value,

for

any

operation

other

than

addition

and

subtraction.

GT-OFF

Grand

Total

Memory

Selector

You

can

perform

the

following

calculation

with

the

Grand

Total

Memory

Selector

either

the

OFF

position.

When

ON,

the

result

produced

when

you

press

added

grand

total

memory.

When

off,

the

result

not

added.

Other

key

operations

are

shown

under

“Example

Calculations”.

About

the

Display

The

display

shows

the

number

you

input,

calculation

results,

and

various

indicators

showing

the

status

the

calculator.

‘

:3-digit

separator

This

symbol

also

used

indicate

minutes

time

display.

™*:

Seconds

indicator

(time

display)

GT:

Grand

total

memory

indicator

independent

memory

indicator

Error

indicator

—

Negative

value

indicator

Constant

calculation

indicator

EIREE:

Arithmetic

operation

indicators

2/Correcting

Input

Errors

*To

completely

clear

value

you

have

just

input,

press

*To

shift

displayed

valued

digit-by-digit

the

right,

press

)

until

you

get

the

digit

you

want

re-input

from.

you

input

the

wrong

hour,

minutes

seconds

(time

calculations)

but

have

not

yet

pressed

(tw),

just

input

the

correct

values.

you

input

wrong

time

calculation

value

and

press

{],

press

completely

clear

the

time

input

and

start

again

from

the

beginning.

;

elf

you

press

the

wrong

arithmetic

operation

key

(&3,

GJ,

EY.

GJ),

simply

press

the

correct

key

before

inputting

anything

else.

Clearing

Calculations

*To

clear

the

calculator

completely

(except

independent

memory),

press

G8.

¢To

clear

the

independent

memory

only,

press

(Md.

for

long

periods.

eEven

the

battery

goes

dead,

you

can

still

use

the

calculator

under

solar

power.

Remember,

however,

that

memory

contents

will

cleared

available

light

drops

below

certain

level

while

there

battery

power.

Auto

Power

Off

Function

This

calculator

not

equipped

with

OFF

switch.

Instead,

switches

power

off

au-

tomatically

about

six

minutes

after

the

last

key

operation

performed.

restore

power,

press

egy.

Even

the

Auto

Power

Off

function

operates

clear

memory,

the

contents

the

independent

memory

are

not

cleared.

4/\Important

Precautions

«Never

allow

this

calculator

exposed

direct

flame.

*Avoid

use

and

storage

under

temperature

extremes.

not

place

the

calculator

direct

sunlight,

near

windows,

near

heater,

anywhere

else

where

subjected

high

heat.

Heat

can

lead

discoloration

warping

the

case,

and

can

even

damage

internal

circuitry.

Under

very

low

temperatures,

display

response

may

slow

down

fail

entirely.

This

condition

temporary

and

operation

should

return

under

normal

temperatures.

Avoid

use

and

storage

areas

subject

excessive

moisture,

dirt,

and

dust.

Direct

contact

with

liquids

and

dust

can

damage

internal

circuitry.

Avoid

dropping

the

calculator

and

otherwise

subjecting

severe

impact.

Never

bend

twist

the

case.

Never

try

take

the

calculator

apart.

*Do

not

use

pen,

pencil,

other

sharp

object

press

keys.

clean

the

exterior

the

calculator,

wipe

off

with

soft

cloth

dampened

weak

solution

mild

neutral

detergent

and

water.

sure

wring

out

any

excess

moisture

from

the

cloth

before

wiping

off

the

calculator.

Never

use

benzene,

thinner,

any

other

volatile

agent

clean

the

calculator.

Doing

can

wipe

off

the

figures

printed

the

case

otherwise

damage

its

finish.

eThe

contents

these

instructions

are

subject

change

without

notice.

CASIO

Computer

Company,

Ltd.

assumes

responsibility

for

any

loss

claims

third

parties

which

may

arise

from

the

use

this

product.

5/Specifications

Model:

DS-1L/2L/3L

Number

Digits:

DS-iL:

DS-2L:

DS-3L:

Memory:

independent

and

Grand

Total

Memory

Rounding:

Selectable

from

among

floating-point,

round

up,

round

off,

cut

off,

and

Add

Mode

Number

Decimal

Places:

Selectable

(0,

Power

Supply:

Two-Way

Power

System,

with

solar

cell

and

one

CR2025

lithium

battery

Battery

Life:

Approximately

years

for

CR2025

lithium

battery

hour

per

day

operation)

Auto

Power

Off:

Switches

power

off

approximately

six

minutes

after

last

key

operation.

Operating

Temperature:

0°C

40°C

(32°F

104°F)

Dimensions:

48(H)

144(W)

194(D)

(17/8’H

5°/s"’W

7°/8’’D)

Weight:

300

(10.6

02z)

(including

the

battery)

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