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Manual Citizen SR-270N Calculator

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Manual

-E2-

General Guide

Turning on or off



To turn the calculator on, press [

] ; To turn the calculator off,

press [ OFF ].

Battery replacement



The calculator is powered by two alkaline batteries (G13 or LR44).

When the display dims, replace the batteries. Be careful not to be

injured when you replace the battery.

1. Unscrew the screws on the back of the calculator.

2. Insert a ﬂ at bladed screwdriver into the slot between the

upper and lower case then carefully twist it to separate the

case.

3. Remove both batteries and dispose of them properly. Never

allow children to play with batteries.

4. Wipe off the new batteries with a dry cloth to maintain good

contact.

5. Insert the two new batteries with their ﬂ at sides (plus termi-

nals) up.

6. Align the upper and lower cases then snap them to close

together.

7. Tighten the screws.

Auto power-off function



This calculator automatically turns it off when not operated for

approximately 9~15 minutes. It can be reactivated by pressing

[

] key and the display, memory, settings are retained.

Reset operation



If the calculator is on but you get unexpected results, press [

]

and then [ MODE ] four times to display the below menu. A message

appears on the display to conﬁ rm whether you want to reset the cal-

culator and clear memory contents after pressing [ 2 ].

To clear all variables, pending operations, statistical data, answers,

all previous entries, and memory, please press [ 2 ]. To abort the

reset operation without clearing the calculator, please press [ 1 ].

If the calculator is lock and further key operations becomes impos-

sible, please use a pointed object to press the reset hole to release

the condition. It will return all settings to default settings.

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Alessio 04-01-2022
How do you raise yourself to power?

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buh 16-11-2023
boo

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Greta Cremonese 09-01-2021
How to calculate p with this calculator

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More about this manual

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Specifications

Brand	Citizen
Model	SR-270N
Category	Calculators
File type	PDF
File size	1.86 MB

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Frequently Asked Questions about Citizen SR-270N Calculator

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

A battery in my device is oxidized, can I still safely use it? Verified

Ja, the device can still be safely used. Firstly, remove the oxidizd battery. Never use bare hands to do this. Then clean the battery compartment with a cotton swab dipped in vinegar or lemon juice. Let it dry and insert new batteries.

This was helpful (437) Read more