Casio Watch Module 5548

Introduction

This document provides detailed information regarding the operation, features, and specifications of the Casio watch featuring module 5548. It is designed to assist users in understanding and utilizing all functionalities of their timepiece.

Water Resistance

Casio watches are tested for water resistance according to ISO 2281 standards. The level of water resistance is indicated by the following classifications:

• WR (Water Resistant): Meets ISO 2281 standards.
• 50M (50 Meters): Suitable for swimming and light water sports.
• 100M (100 Meters): Suitable for swimming, snorkeling, and water sports.
• 200M (200 Meters): Suitable for diving, water sports, and everyday use.
• 300M (300 Meters): Suitable for professional diving and water sports.

It is important to note that water resistance is not a permanent condition and may diminish over time due to normal wear and tear or exposure to extreme conditions. Always ensure the crown is pushed in and buttons are not operated underwater.

Watch Features Overview

This Casio watch module typically includes a range of functionalities designed for daily use and specific activities. Common features include:

• Digital time display (hours, minutes, seconds)
• Date display (year, month, day)
• Alarm function (daily alarms, hourly time signal)
• Stopwatch function (e.g., 1/100 second stopwatch, measuring capacity up to 24 hours)
• Timer function (countdown timer with auto-repeat)
• Dual time display
• Backlight for low-light visibility

The specific layout and indicators on the watch face may vary, but generally include markers for alarm (ALM), hourly chime (SIG), and stopwatch (CHRONO) modes.

Button Functions and Modes

The watch is operated using several buttons, typically located on the sides of the case. Their functions vary depending on the selected mode:

1. Mode Button: Used to cycle through the different functions of the watch (e.g., Timekeeping, Alarm, Stopwatch, Timer).
2. Start/Stop Button: Used to start and stop operations within the Stopwatch or Timer modes, or to adjust values during setting.
3. Reset Button: Used to reset the Stopwatch or Timer, or to confirm settings.
4. Light Button: Activates the backlight for viewing the display in the dark.

Specific button assignments are usually indicated on the watch bezel or in detailed diagrams within the full manual.

Stopwatch and Timer Operations

Stopwatch: The stopwatch allows for precise time measurement. It typically measures elapsed time, split times, and first- and second-place times. Measurements are often in 1/100-second increments.

Timer: The countdown timer can be set for a specific duration. When the countdown reaches zero, it typically sounds an alarm and may automatically repeat the countdown if the auto-repeat function is enabled.

Alarm and Hourly Time Signal

The alarm function allows you to set up to one or more daily alarms. When the set time is reached, the alarm will sound for a specified duration.

The hourly time signal provides an audible alert (chime) on the hour, every hour.

Time Setting

To set the time and date:

1. Press the Mode button until the timekeeping mode is displayed.
2. Press and hold the Reset button (or designated setting button) until the seconds digits flash.
3. Press the Start/Stop button to reset the seconds to 00.
4. Press the Mode button to advance to the next setting (hour, minute, year, month, day).
5. Use the Start/Stop button to adjust the flashing digits for each setting.
6. Press the Reset button to confirm all settings and exit.

Daylight Saving Time (DST) may also be adjustable within the setting menu.

Technical Specifications

Manufacturer Information

Manufacturer: CASIO COMPUTER CO., LTD.

Address: 1-6-2, Hon-machi 1-chome, Shibuya-ku, Tokyo 151-8543, Japan