Canon Canola L812 User manual

Table of contents

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Canon

CANON

INC.

11*28,

Mita

3-chome,

Minato-fco,

Tokyo

102

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Japan

US.A.

CANADA-

EUROPE.

AFRICA

*

MIDDLE

EAST-

CENTRAL

&

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AMERICA'

SOUTHEAST

ASIA

CANON

U.S.A.

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INC.

HEAD

OFFICE

TO

Nevada

Drive,

Lake

Success.

Lon$i

Island,

N.Y.

11040,

U.S.A.

CANON

U.S.A..

INC.

CHICAGO

OFFICE

140

Industrial

Drive.

Etathum.

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6012&*

U.$.A<

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ANGELES

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Canada

CANON

AMSTE

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N.V.

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70,

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Dost.

Holland

CANON

LATIN

AMERICA,

INC.

SALES

DEPARTMENT

P.

O.

Box

7022,

Panama

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Rep.

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PUB.

IB3102H

0976B11.6

PRINTED

IN

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AS^OCMUOM

INSTRUCTIONS

English

Edition

Description

of

Canola

L812

•v

.

,‘ui

jm..

....

Ui*'

attery

Chamber

AC

Adaptor

Jack

Display

and

Ind

Panel

Power

Switch

Operational

Keys

and

Switches

Q

Clear

Key:

Used

for

clearing

all

entries

and

calculations

except

memory.

GB

Clear

Indicator

Key:

Used

for

correcting

entries.

DOQBB

Function

Keys:

Depress

them

according

to

the

calculation

expression.

□

Numeral

Keys:

Used

for

entering

numerals.

B

Decimal

Point

Key:

Depress

it

at

the

position

of

the

decimal

point

of

the

numer¬

als

to

be

entered.

In

the

case

of

fractional

numerals

only,

it

is

not

necessary

to

depress

the

d

key

before

the

decimal

point.

E3

Percent

Plus-Minus

Key:

Used

for

per¬

forming

percentage

calculations

and

add-on

&

discount

calculations.

ru

Accumulation

Switch:

Used

for

obtain-

AM

mg

sums

and

differences

of

products

and

quotients.

When

this

switch

is

set

-to

AM,

results

are

accumulated

in

the

memory

by

depressing

SJkey.

89

Recall

Memory

Key:

Used

for

recalling

the

contents

of

the

memory.

0

Clear

Memory

Key:

Used

for

clearing

the

contents

of

the

memory.

CO

Decimal

Point

Switch:

Used

for

desig¬

nating

the

decimal

point

position

of

the

result

and

can

be

preselected

at

0,

2

and

F

(floating).

3

Sign

Change

Key:

Used

for

converting

signs

of

the

indicated

value.

2

3

Before

Operation

1.

How

to

remove

the

battery

cover:

Slide

off

the

battery

cover

located

on

the

back

side

of

the

calculator.

2.

How

to

load

the

batteries:

Load

the

battery

chamber

of

the

Canola

with

four

new

penlight

dry

batteries

(size

AA).

When

loading

the

batteries,

put

the

batteries

from

the

(—)

side

according

to

the

diagram

inside.

The

Canola

will

not

operate

if

the

batteries

are

placed

upside

down.

If

the

display

becomes

dim,

it

means

there

is

not

sufficient

voltage,

in

this

case

you

should

change

all

of

the

four

batteries

at

the

same

time.

Note:

The

Canola

L812

can

be

operated

by

normal

AC

current

with

the

Canon

AC

Adaptor

AD-1

(option).

Refer

to

page

11

for

AC

Adaptor

AD-1.

Be

sure

to

take

out

the

batteries

when

not

using

the

calculator

for

more

than

one

■

month.

How

to

Operate

1.

Set

the

power

switch

at

ON,

and

depress

the

Q

key.

4

2.

The

keys

are

operated

according

to

the

calculation

expression.

3.

Depress

the

Q

key

when

incorrect

entries

are

made.

You

may

then

make

new

entries,

and

continue

the

operation.

When

function

keys

(

D

O

B

Q

)

are

depressed

incorrectly,

operation

can

be

proceeded

by

depressing

the

right

key.

*

4.

After

completing

a

calculation

and

pro¬

ceed

to

next,

it

is

not

necessary

to

depress

the

Q

key

since

the

previous

calculation

is

cleared

automatically.

But

in

calculations

starting

with

a

negative

number,

depress

the

Q

key

before

start¬

ing

the

calculations.

5.

Set

the

decimal

point

switch

at

0,

2

or

F

.

according

to

the

content

of

the

calcula¬

tion.

When

the

decimal

point

is

set

at

0

or

2,

the

result

is

automatically

rounded

off

to

the

corresponding

number

of

decimal

digits,

and

when

set

at

F

(floating)

position,

the

result

is

rounded

down.

6.

Please

turn

on

the

power

switch

gently.

If

the

switch

is

turned

on

and

off

re¬

peatedly,

the

display

may

temporarily

function

improperly

by

not

lighting

or

by

lighting

at

random.

If

this

should

occur,

turn

off

the

switch

at

once,

and

then

turn

it

on

again

after

waiting

2

or

3

seconds.

Note;

Please

keep

in

mind

that

accurate

results

depend

on

correct

key

operation.

5

2.

Multiplication

and

Division

m

o

1)

3.6

x

1.7=

6.12

3.6

'

2)

-369=12.3=-30

369!

(

6

.

12

)

2.3BK-30.00}

1.

The

minus

sign

at

the

leftside

of

the

display

pane!

lights

up

when

an

entry

or

result

is

a

negative

number.

2.

When

the

entered

numerals

exceed

8

digits,

only

8

left-most

digits

are

keyed

in

and

excess

digits

are

ignored.

Ex.

12345678.9

*=

987

^

.

__

r

.

_

*

9

digits

Operation:

CG

12345678

(12508.285)

3.

When

the

integers

of

the

calculation

results

exceed

8

digits,

the

overflow

sign

{£)

lights

up

and

further

operation

is

locked,

and

only

the

8

leftmost

signifi¬

cant

digits

are

displayed.

987

Ex.

CD

12345x5678x200=14018982000

12345

□

5678

□

200

(£

140.

1

8982)

t

Assume

3

digits

have

been

dropped

by

reading

the

position

of

decimal

point.

6

The

overflow

sign

is

also

indicated

at

the

following

instances:

•

When

divisor

is

0

in

division.

Depress

the

Q

key

to

release

the

keyboard

interlock,

and

start

the

further

operation.

The

first

operation

in

constant

calculation

is

performed

according

to

the

calculation

ex¬

pression.

From

the

second

operation,

each

calculation

result

is

obtained

by

just

entering

the

numeral

and

depressing

the

El

key.

Raising

to

the

«-th

power

can

be

obtained

automatically

by

depressing

the

EB

key

(nA)

times.

7

8

1.

When

the

Accumulation

Switch

is

set

to

AM,

the

results

obtained

by

the

d

key

are

automatically

accumulated

in

the

memory.

2.

When

data

are

put

in

the

memory,

memory

sign

(")

on

the

display

panel

indicates

the

memory

is

in

use.

3.

When

integers

of

memory

content

exceed

8

digits,

overflow

sign

(H)

lights

up

and

further

operation

is

locked,

but

over¬

flowed

memory

contents

can

be

recalled

by

depressing

the

Q

and

Q

keys.

ex.

CP

{33333333

x

3)

+

{234

x

45)

=

100010520

(9

d

igits)

CO

33333333

Q

3

234

Cl

45

[It

99999999.)

(H

10530.)

(it

0.)

(in.

0001052)

4.

T

he

memory

content

is

protected

against

calculation

result

overflowed.

ex.

™

(20

x

3)

+

(40

x

5)

+

(50

x

6)

=

560

20

□

3

0

(li

60.)

40

Q

5

0

(ll

200.)

123456

Q

67890

(£

8.3814278)*

B

u

i

o.)

50

O

60

(II

300.)

Q

(I

I

560.)

*

Overflowed

calculation

result

cannot

be

accumulated

in

memory.

9

8.

Mixed

Calculation

1)

9t5x3.2

+

7

=

12.76

2)

(2

+

4)

4-

(-3)

x

8.1

=5

—16.2

Specifications

Type:

Mini

desk-top

electronic

calculator

Keyboard:

10

key

system

Display:

8-digit

fluorescent

tube

display

Registers:

3

calculating

registers

and

1

memory

register

Calculation

capacity:

8

digits

in

all

calculations

Decimal

point

system:

Leftmost

digit

priority

with

floating

decimal

point

system.

Entries:

Floating.

Intermediate

results

of

chain

multiplication

and

division:

Floating.

Results:

The

following

settings

exist

on

the

decimal

point

selector

0,

2

and

F

{floating}.

Negative

numbers:

True

value

with

a

minus

sign

Types

of

calculation:

Addition,

subtraction,

multi¬

plication

and

division.

Multiplication

and

division

by

a

constant.

Chain

multiplication

and

division.

Sum

and

difference

of

products

and

quotients.

Raising

to

powers.

Percentage

calculation.

Add-on

and

discount

calculation.

Various

mixed

calcula¬

tions.

Indication

functions:

Zero

suppressed

indication

panel.

Minus

sign.

Overflow

sign.

Memory

overflow

sign.

Automatic

calculation

functions:

L

y

Switch

for

accumulation

of

calculation

results.

Constant

multiplication

and

division.

Raising

to

powers.

Safety

devices:

Overflow

keyboard

interlock

Elements:

MOS

LSI

Power

source:

1.

4

penlight

dry

batteries

(size

AA)

DC

6V

0.6W

Alkaline

batteries

make

possible

about

15

hours

of

continuous

use.

Manganese

batteries

make

possible

about

6

hours

of

continuous

use.

2.

AC

with

the

Canon

AC

Adaptor

AD-1.

Usable

temperature:

0°C

to

+

40°

C

(32°

F

to

104°

F)

Size:

131mm

wide

x

153mm

long

x

44mm

high

(5-3/16"

x

6-1716”

x

1-3/4")

Weight:

Approx,

350g

(12.3

oz.)

including

dry

batteries

Subject

to

alterations.

AC

Adaptor

(option)

The

Canon

AC

Adaptor

AD-1

is

designed

to

allow

the

Canola

to

be

plugged

in

and

operated

by

normal

AC

current.

»

There

is

no

power

consumption

of

the

bat¬

teries

as

long

as

using

the

AC

power.

How

to

use

1.

Insert

the

out-put

cord

of

the

AC

Adap¬

tor

AD-1

to

the

socket

of

the

Canola.

2.

Plug

in

AC

Adaptor

AD-1

to

the

AC

outlet.

3.

Turn

on

the

power

switch

of

the

Canola

for

immediate

operation.

*

Use

only

the

Canon

AC

Adaptor

AD-1

for

the

Canola.

*

Do

not

leave

the

AC

Adaptor

AD-1

connected

to

outlet

when

not

actually

in

■

use.

When

connecting/disconnecting

the

AC

h

Adaptor

into/from

the

socket

of

the

calcula¬

tor,

switch

off

the

power.

10