Citizen SR270X Instruction Manual Page 4
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- Table of contents
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File name : HDB0R100721_English_text_100426.doc
version : 10/04/26
General Guide
Turning on or off
To turn the calculator on, press [ ON ]; To turn the calculator off,
press [ 2nd ] [ OFF ].
Battery replacement
SR-270X is a dual power system which is powered by one
button-type battery (G13 or L1154) and a solar cell. If the display
becomes dim and difficult to read, the batteries should be replaced
as soon as possible.
To replace batteries:
1) Remove the screw and the battery compartment cover.
2) Remove the old battery and insert a new one with polarity in
correct directions, then replace the cover.
3) After changing battery, please use a pointed object to press the
reset hole in the rating label area located at the rear of this unit.
Auto power-off function
This calculator automatically turns off when not operated for
approximately 3~9 minutes. It can be reactivated by pressing [ ON ]
key and the memory, settings are retained.
Reset operation
If the calculator is on but you get unexpected results, press [ 2nd ]
[ CLR ] in sequence. A message appears on the display to confirm
whether you want to reset the calculator and clear memory contents
after selecting [ 3 ].
[ 3 ]
Reset All?
[ = ] : Yes
[AC] : Cancel
Clear?
1: Setup 2:Memory
3: All
To clear all variables, pending operations, statistical data, answers,
all previous entries, and memory, please press [ = ]; To cancel the
reset operation without clearing the calculator, please press [ AC ].
If the calculator is lock and further key operations becomes
impossible, please use a pointed object to press the reset hole at the
same time to release the condition. It will return all settings to default
settings.
Contrast adjustment
Pressing the [
W
] or [
X
] following [ 2nd ] [ SET UP ] [
T
] [ 5 ]
(
W
CONT
X
) keys in sequence can make the contrast of the screen
lighter or darker. Holding either key down will make the display
become respectively lighter or darker. After finishing your setting,
press [ AC ] to exit.
- Scientific Calculator 1
- General Guide 4
- Before Starting Calculation 5
- Using Math Mode 6
- Replay function 7
- Memory calculation 8
- Order of operations 8
- Accuracy and Capacity 9
- Error conditions 10
- Basic Calculations 11
- Percentage calculation 12
- Display notations 12
- Answer Function 12
- Fraction calculation 13
- Angle unit conversions 13
- Statistical Calculations 15
- ) only : 17
- Function Table 18
- Guía General 21
- Ajuste del contraste 22
- Lectura de la pantalla 22
- Antes de comenzar el cálculo 23
- Uso del modo matemáticas 24
- Función repetición 25
- Memoria de cálculo 25
- Orden de las operaciones 26
- Precisión y capacidad 26
- Condiciones de error 29
- Cálculos básicos 30
- Función de resultados 31
- Cálculo de fracciones 31
- Transformación Sexagesimal 32
- Decimal 32
- Cálculos estadísticos 34
- Para ver o cambiar datos 36
- Tabla de Función 37
- Guia Geral 40
- Ajuste de contraste 41
- Leitura do visor 41
- Antes de Iniciar o Cálculo 42
- Usando o Modo Matemático 43
- Função de repetição 44
- Cálculo da Memória 44
- Ordem de operações 45
- Precisão e Capacidade 45
- Condições de erro 47
- Cálculos Básicos 48
- Função de Resposta 49
- Cálculo de Fração 49
- Cálculos Estatísticos 52
- Para ver ou mudar dados 54
- Tabela de Função 55
- Allgemeine Anleitung 58
- Kontrasteinstellung 59
- Display-Anzeige 59
- Vor dem Rechnen 60
- Wiederholfunktion 62
- Speicherkalkulationen 62
- Reihenfolge der Operationen 63
- Genauigkeit und Kapazität 63
- Fehlerkonditionen 65
- Grundberechnungen 66
- Displaynotationen 67
- Antwortfunktion 67
- Bruchrechnungen 68
- Winkeleinheitumwandlung 68
- Sexagesimal 68
- Dezimal-Umwandlung 68
- Koordinatentransformation 69
- Wahrsscheinlichkeit 69
- Statistische Kalkulationen 70
- Funktionstabelle 73
- Guide général 76
- Lecture de l’affichage 77
- Utilisation du mode Math 79
- Fonction Refaire 80
- Calculs de Mémoire 80
- Ordre des opérations 81
- Précision et capacité 81
- Conditions d’erreur 83
- Calculs Basiques 84
- Fonction réponse 85
- Calculs de fractions 85
- Conversions d’unité d’angle 86
- Transformation Sexagésimale 86
- Décimale 86
- Transformation de coordonnées 87
- Probabilités 87
- Calculs statistiques 88
- ) uniquement : 90
- Fonction de tableau 91
- Guida Generale 94
- Regolazione del contrasto 95
- Prima di Avviare il Calcolo 96
- Funzione di riproduzione 98
- Calcolo della memoria 98
- Ordine delle operazioni 99
- Accuratezza e Capacità 99
- Condizioni di errore 101
- Calcoli di base 102
- Funzione di Risposta 103
- Il calcolo della frazione 103
- Calcoli Statistici 106
- It – 16 107
- It – 17 108
- Tabella della Funzione 109
- Algemene inleiding 112
- Het contrast bijregelen 113
- Het beeldscherm 113
- Foutieve invoer weergeven 116
- De herhaalfunctie 116
- Volgorde van de bewerkingen 117
- Nauwkeurigheid en capaciteit 117
- Foutmeldingen 119
- Basisbewerkingen 120
- Weergavenotaties 121
- Antwoordfunctie 121
- Bewerkingen met breuken 122
- Hoekconversies 122
- Sexagesimale 122
- decimale transformatie 122
- Coördinaattransformatie 123
- Waarschijnlijkheid 123
- Statistische bewerkingen 124
- Functietabel 127
- SIZE:140x74mm 129
- PARTS NO. HDB0R100721 129
- (SR100) 129
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