To Next PageTo Next Page
Need help?Do you have a question about the Casio 2730 and is the answer not in the manual?
Explains the two sleep state levels and their functions when the watch is in darkness.
Details methods to wake the watch from its sleep state by exposing it to light or pressing buttons.
Provides instructions on how to manually enable or disable the power saving feature.
Describes the primary mode for displaying time and date, including screen switching.
Explains how to view time in different cities worldwide and manage city codes.
Covers setting and managing daily, target, and snooze alarms, plus the hourly time signal.
Details the procedure for manually adjusting the analog hands to match the digital time.
Explains how to use the stopwatch for measuring elapsed, cumulative, and split times.
Describes how to store and recall text information like e-mail addresses and URLs.
Explains how to create, view, and delete records of specific dates and times.
Describes how to toggle the digital display between Calendar and Timekeeping screens.
Explains the different battery level indicators and their meanings for watch operation.
Details the LED illumination and the auto light switch feature for dark environments.
Instructions on how to manually turn on the display illumination using a button.
Explains the automatic illumination function activated by angling the watch.
Steps to enable or disable the auto light switch feature.
Warnings about potential damage from heat or direct sunlight during charging.
Guidance on how to position the watch to effectively charge the battery using light.
Advice on how to position your arm to ensure the auto light switch functions properly.
Defines radio-controlled watches and their function of receiving time calibration signals.
Discusses the signal reception range and environmental factors affecting it.
Outlines two methods for receiving the time calibration signal: auto and manual.
Details the automatic signal reception performed daily at scheduled times.
Explains how to manually initiate signal reception using a button press.
Provides tips on orienting the watch to improve signal reception success.
Describes the receive indicator and its cycle to show signal strength during reception.
Explains how the analog hands behave and synchronize with the digital time during signal reception.
Instructions on how to display the date and time of the last successful signal reception.
How to choose between different transmitters for receiving calibration signals.
Steps to enable or disable the automatic reception of calibration signals.
Important considerations and limitations for successful signal reception.
Addresses problems with performing manual signal reception, including mode and city settings.
Explains why the auto reception icon might not appear and how to resolve it.
Guides on fixing time discrepancies that may occur after signal reception.
How to search through city codes and display their corresponding times in World Time Mode.
Explains Daylight Saving Time and how to turn it on or off for specific cities.
Steps to enable or disable Daylight Saving Time for individual World Time cities.
A table listing city codes, GMT differentials, and city names.
Steps to create and store records of specific dates and times for later recall.
How to navigate and view previously stored time stamp records.
Instructions on how to erase all stored time stamp records from memory.
Detailed guide on how to input and save text data like URLs and e-mail addresses.
How to access and scroll through stored text records in the e-DATA MEMORY mode.
Procedures for modifying existing records or deleting specific data entries.
Covers the basic operations of starting, stopping, and resetting the stopwatch.
How to measure total elapsed time in the stopwatch.
How to restart the stopwatch from its last stopped point.
Explains how to record intermediate times (splits) during stopwatch operation.
Details how the stopwatch records and displays the times for the first and second finishers.
Overview of the different types of alarms available: daily, target, and snooze.
Details the function and behavior of daily alarms.
Explains the countdown functionality of the target alarm.
Describes the snooze alarm's repeating alert feature.
How to check the set times for the various alarms and the hourly time signal.
Step-by-step instructions for setting the times for various alarms.
How to stop a sounding alarm and how to test the alarm function.
Instructions for enabling, disabling, and using the hourly time signal feature.
Steps to toggle the hourly time signal feature on or off.
Comprehensive guide to manually setting the digital time, date, and 12/24-hour format.
How to choose between 12-hour and 24-hour display formats.
Procedure to reset the seconds display to 00, potentially advancing the minute.
How to manually turn the power saving feature on or off through the settings menu.
Steps to adjust the analog hands to match the digital time when they are out of sync.
Explains how the watch automatically synchronizes analog hands with digital time after adjustments.
Describes how to use the high-speed lock for rapid adjustment of analog hands.
General
