Casio DR-420TEC

User’s Guide
Bedienungsanleitung
Mode d’emploi
Guía del usuario
Guida dell’utilizzatore
Instruktionshäfte
Gebruiksaanwijzing
Bruksanvisning
Käyttäjän opas
Brugsvejledning
Guia do Usuário
Felhasználói Útmutató
Návod k použití
Instrukcja Obsługi
DR-320TEC/420TEC/520TEC
FR-620TEC
E G F S I Sw D Nr Fi De Po R Hg Cz Pl

Casio DR-420TEC Specifications

General

Brand	Casio
Model	DR-420TEC
Category	Calculator
Language	English

Summary

NOTICE

Handling the Calculator

Instructions for proper use, care, and initial setup of the calculator.

About the Input Buffer

Explains the calculator's input buffer capacity and how it functions.

Back-up Battery

Details the function, importance, and replacement of the memory back-up battery.

RESET Button

Explains the function of the reset button for clearing memory and restoring operation.

Replacing the Printer Ribbon

Loading the Paper Roll

GENERAL GUIDE

About the Selectors

Explains the function of various selectors (switches) on the calculator.

Calculations

Time Calculations

Making Corrections

Printing Reference Numbers

Errors

Replacing the Battery

Specifications