Casio DS-3L 운영 지침

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페이지 인쇄

DS-1L/2L/3L

Operating Instructions

Bedienungsanleitung

Mode d'emploi

Instrucciones de operacion

Istruzioni per l'uso

EGFSI

Printed in Japan/Imprimé au Japon

A900 12-O32007C

1/General Guide

*All examples in these instructions show DS-3L.

@ Main Key Functions

Sign Change Key

Switches the sign of the displayed value between positive (+) and negative (- ).

(=) Right Shift Key

Shifts the displayed value to the right, deleting the far right digit.

Example:

| Operation

Display

To change 1234 to 1235

Homa

1'234

(=)(Deletes 4)

123.

1'235.

{4s} Time Key

¢ Specifies input value as a time (sexagesimal) value.

e Switches the displayed value between decimal and time (sexagesimal) format.

F CUT UP 5/4

Rounding Selector

Specifies the rounding system.

Floating decimal point system, which displays the value without rounding.

CUT: Cuts off the decimal to the specified* number of places.

UP:

Rounds up the decimal to the specified" number of places.

5/4:

Rounds off the decimal to the specified* number of places.

*Use the decimal place selector to specify the number of decimal places.

4321

0 ADD:

Decimal Place Selector

Specifies the number of decimal places for rounding. Note that the decimal place selec-

4, 3, 2, 1, 0: Number of decimal places for the CUT, UP and 5/4 setting of the Round-

ing Selector.

@WeError Indicator

The error indicator "'E" appears on the display whenever any of the following condi-

tions exist. To clear an error, press &@ to clear the error and continue with the calcula-

* Whenever the integer part (the value to the left of the decimal point) of a calcula-

tion's intermediate result or final result becomes greater than 14 digits (12 digits with

the DS-2L, 10 digits with the DS-1L). Along with the error indicator, an approxima-

tion of the value appears on the display. The following table illustrates the value that

appears when you attempt to perform the calculation: 123,456,789

x 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 profit in a mark-up calculation is 100%.

¢ Whenever an attempt is made to calculate the square root of a negative value.

3/Power Supply

The Two-Way Power System of this calculator uses a solar cell, in addition to one

CR2025 lithium battery. Unlike calculators equipped with a solar cell only, you can

use this calculator under virtually any lighting conditions, as long as there is enough

light for you to read the display.

Battery

Replacement

Do not try to replace the battery yourself. Have it replaced by an authorized CASIO

dealer or service center.

If the display becomes dim and difficult to read, or if nothing appears on the display

when you press

(especially when lighting is dim), you probably need to have the

battery replaced.

* Have the battery replaced at least once every seven years, regardless of how much

you use the calculator during that time.

* The battery installed at the factory discharges during shipment and storage. You may

need to replace the original battery sooner than seven years after you purchase the

calculator.

¢ A dead battery can leak and damage the calculator if left in the battery compartment

for long periods.

eEven if the battery goes dead, you can still use the calculator under solar power.

Remember, however, that memory contents will be cleared if available light drops

below a certain level while there is no battery power.

M@ Auto Power Off Function

This calculator is not equipped with an OFF switch. Instead, it switches power off au-

tomatically about six minutes after the last key operation is performed. To restore power,

press egg. Even if the Auto Power Off function operates to clear memory, the contents

of the independent memory are not cleared.

4/Important Precautions