Casio JD-3500 User Manual

Emphasizes backing up data due to potential memory loss.

Details safety and handling guidelines to prevent damage.

Step-by-step guide for performing a factory reset.

Steps for resolving unit issues via reset and battery checks.

Instructions for safely removing and inserting batteries.

Identifies and explains the function of various keys on the unit.

Explains how the active mode is shown and how to switch between them.

Instructions to enable or disable the sound made by key presses.

Steps to make the display characters lighter or darker.

Guide to entering letters in alpha input mode.

Guide to entering numbers and symbols via numeric mode or symbol menu.

Methods for editing or clearing entered characters.

Steps to access and set the current date and time.

Procedure for editing the date and time values.

Steps to add names and phone numbers to the directory.

How to search and retrieve stored contact information.

Process to set up a password for private data storage.

Steps to log into the password-protected memory.

Procedure to leave the secret memory area.

How to update the password for the secret memory.

Guide to adding appointments and events with dates and descriptions.

How to search and retrieve stored appointments.

Steps to modify existing appointment details.

Procedure to remove unwanted appointments.

Instructions to set a specific time for the daily alarm.

How to turn the daily alarm on or off.

Guide to checking fortunes based on birth date and a specific date.

Steps to get health advice based on height and weight input.

Guide to composing and sending custom messages via infrared.

Instructions for sending pre-stored messages.

Notes on display limits, sending errors, and interrupting transmissions.

Advice for resolving problems like weak signals or obstructions.

Information on using the calculator, error indicators, and capacity limits.

Details how memory is used per data item in different modes.

Explains the alphabetical sorting order for directory data.

Lists common error messages and their corresponding actions.

Lists features for each mode like Telephone Directory, Schedule, Timekeeping, etc.

Details display type, memory, power supply, battery life, dimensions, and weight.