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Casio SF-3905A User Manual

Casio SF-3905A
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ESF
SF-3700
SF-3900
SF-3905
SF-3700
SF-3900
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Casio SF-3905A Specifications

General IconGeneral
BrandCasio
ModelSF-3905A
CategoryOrganizer
LanguageEnglish

Summary

Initial Unit Setup and Battery Replacement

Accessing Battery Compartment

Slide the battery compartment cover in the direction indicated by the arrow.

Setting Battery Switch to REPLACE 1

Slide the battery switch to the "REPLACE 1" setting.

Loading Batteries and Setting REPLACE 2

Load new batteries, ensuring positive side is up, and set the switch to "REPLACE 2".

Setting Battery Switch to LOCK

Slide the battery switch to the "LOCK" setting to enable unit operation.

Resetting the Unit

Press the RESET button to complete the initial setup.

Important Precautions

General Safety Precautions

Avoid direct flame, heat, and disassembly for safe operation.

Cleaning and Maintenance

Clean the exterior with a soft cloth and mild detergent.

Manual and Liability Disclaimer

Manual contents may change; CASIO is not liable for third-party claims.

EL Backlight and Low Battery Information

EL Backlight Usage

EL backlight allows viewing in dim light but shortens battery life.

Low Battery Message and Impact

"BATTERY LOW" indicates need for replacement; affects alarms and backlight.

Display Contrast Adjustment

Adjust display contrast using the or keys.

Timekeeping Function

World Time City Management

Instructions for changing the World Time city using TIME/ALARM and keys.

Setting Home Time City

Guide to setting the Home Time city using TIME/ALARM and EDIT keys.

Setting Home Time

Instructions for setting the Home Time, including AM/PM and seconds.

Daylight Saving Time Adjustment

Toggle standard and daylight saving time for Home and World Times.

Time Format Switching

Switch between 12-hour and 24-hour timekeeping formats.

Alarm Function

Alarm Operation

Details on how the alarm sounds and how to stop it.

Setting Alarm Time

Steps to set the alarm time, including AM/PM designation.

Turning Alarms On/Off

Instructions to enable or disable Daily, Time Signal, Key Tone, and Schedule Alarms.

Inputting and Managing Data

Character Input Methods

Details on character input, including case toggling and symbol input.

Telephone Directory Input

Guide to inputting data for Telephone Directory entries.

Schedule Keeper Input

Guide to inputting data for the Schedule Keeper.

Expense Data Input

Instructions for inputting expense details and amounts.

To Do Data Input

Guide to inputting tasks or items for the To Do list.

Memo Data Input

Instructions for inputting short text memos.

Data Recalling and Editing

Recalling Data Overview

Indicators and methods for scrolling through stored data.

Scroll Search

How to search for data by scrolling through entries.

Initial Character Search

How to search for data using initial characters.

Editing Data

Steps to edit existing data entries.

Deleting Data

Procedure to delete data entries from memory.

Secret Memory Area Management

Registering a Password

Guide to setting up a password for the secret memory area.

Entering the Secret Memory Area

Steps to access the secret memory area using the password.

Exiting the Secret Memory Area

How to exit the secret memory area using specific keys.

Changing the Password

Procedure to change the existing password for the secret area.

Euro Conversion Mode

Euro Conversion Overview

Mode for converting between Euros and national currencies.

Selecting Pre-programmed Currencies

How to select pre-programmed currencies and fixed exchange rates.

Performing Currency Conversion

Examples and steps for converting amounts between currencies.

Changing Currency Names and Rates

Procedure to edit currency names and their exchange rates.

Conversion Mode (Dollar/Pound)

Initial setup for converting between Dollars ($) and Pounds (£).

Calculator and Memory Functions

Calculator Mode Operations

Examples of calculations performed in Calculator Mode.

Memory Capacity Display

Displays used and remaining memory capacity.

Power Supply and Battery Care

Powering Off the Unit

Instructions to press OFF to switch the unit off.

Battery Replacement Procedure

Step-by-step guide to replacing the unit's batteries.

Battery Precautions

Safety guidelines for handling and storing batteries.

Messages and City Table

System Messages

Explanation of common messages like BUSY, FULL, BATTERY LOW.

World Time City Table

List of cities with their time differences and other cities in the zone.

Specifications

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