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General| Model | 3515 |
|---|---|
| Type | Digital |
| Battery Life | 10 years |
| Movement | Quartz |
| Case Material | Resin |
| Band Material | Resin |
| Stopwatch | 1/100 second |
| Display | LCD |
| Category | Watch |
| Backlight | LED |
General advice on watch usage and care, including water resistance and band maintenance.
Precautions for using the watch with a mobile device via Bluetooth.
Step-by-step guide to measuring activities directly on the watch.
How to view measured activity data using the CASIO WATCHES app.
Overview of the watch's features, functions, and capabilities.
Detailed steps for pairing the watch with a smartphone via Bluetooth.
Setting up personal information for accurate measurement results.
How to view the current altitude reading on the watch.
Measuring height differences between two points.
Automatic time synchronization via phone connection.
Adjusting the watch's time settings using GPS signals.
Using the stopwatch to measure time intervals.
How to use the pedometer to count steps accurately.
Factors that can lead to inaccurate step counting.
Setting up automatic lap recording during activities.
Customizing interval timer parameters for workouts.
Overview of watch parts and basic operational controls.
Restoring the watch to its initial factory default settings.
Important safety and usage advice for the watch.
Guidelines for using the watch safely around water.
Effects of high and low temperatures on watch operation.
General advice on cleaning and maintaining the watch.
Causes and prevention of skin irritation from wearing the watch.
Step-by-step guide to measuring activities on the watch.
How to measure and view blood oxygen levels.
Tracking sleep quality and recovery status.
Guided breathing exercises for stress reduction.
Detailed steps for charging the watch using the cable.
Advice to prevent battery deterioration during charging.
Understanding the battery indicator and usable functions.
Notes on low battery functions and charging under heat.
Initial steps for connecting the watch to a phone.
Detailed steps to successfully pair the watch with a phone.
How to disconnect and remove pairing information.
Procedure to re-establish connection if it is lost.
Configuring personal details like weight, height, and gender.
How training frequency is evaluated based on activity levels.
Options for registering maximum heart rate values.
Accessing basic functions and daily life tools.
How to check the current heart rate.
Measuring blood oxygen saturation levels.
Steps to perform a compass reading.
Setting up automatic lap recording during activities.
Adjusting GPS signal reception frequency for accuracy.
Measurements utilizing GPS for distance, time, and speed.
How to begin an activity measurement.
How to pause, save, or discard measurement data.
Configuring pool length for accurate swimming lap times.
How interval timers aid in structured workouts.
Configuring parameters for interval timers.
Understanding heart rate zones for training intensity.
Setting target heart rate zones for training objectives.
Customizing screens shown during activity measurement.
What to do when storage space is full.
Overview of the summary screen after measurement.
Notes on the accuracy of sensor-calculated data.
Explanation of different summary screens for activities.
Details on calorie consumption and energy sources.
Viewing the fastest pace recorded during an activity.
Understanding the running index for aerobic fitness.
How to access activity logs directly on the watch.
Removing individual activity log entries.
Clearing all activity log data from the watch.
Analyzing cardio load status for training effects.
Understanding the strain metric for training fatigue.
Viewing the overall recovery status summary.
How breathing exercises help with relaxation and stress.
Customizing the duration of breathing exercises.
How the watch measures time spent in the calm zone.
How the smart alarm estimates sleep and wakes you.
Setting smart alarms via the phone app or watch.
Steps to turn off the smart alarm function.
How the watch measures heart rate.
Ensuring correct watch placement for accurate HR measurement.
How to view the real-time heart rate display.
How the sensor works and factors affecting accuracy.
How the watch measures blood oxygen levels.
Correctly wearing the watch for blood oxygen measurement.
Precautions for obtaining accurate blood oxygen readings.
Steps to start and perform blood oxygen measurement.
Data available in the Life Log feature.
Accessing Life Log data directly on the watch.
Steps to perform a compass reading.
Aligning the watch's map to real-world directions.
How the watch performs continuous direction correction.
Performing figure 8 calibration for accurate readings.
Specifying magnetic declination for true north indication.
How altitude is measured using air pressure.
Reasons for varying altitude readings and calibration advice.
Viewing current altitude on the value screen.
Measuring height differences between points.
Manually inputting altitude for calibration.
Selecting the frequency for automatic altitude readings.
Viewing current atmospheric pressure and temperature.
Viewing historical pressure data to predict weather.
Understanding watch alerts for significant pressure changes.
Adjusting the barometric pressure sensor for accuracy.
Adjusting the temperature sensor for accuracy.
Limitations and advice for barometric pressure readings.
Factors affecting temperature readings and how to improve accuracy.
Understanding moon phase and age indicators.
How the watch automatically syncs time with a phone.
Steps to manually sync watch time with a phone.
Ideal locations for GPS signal reception for time adjustment.
Steps for acquiring GPS location and time data.
Selecting a Home City for accurate time zone settings.
Manually setting the watch's time.
Setting world time cities and summer time.
Choosing world time cities directly on the watch.
How alarms work with sound and vibration alerts.
Information on alarms that detect sleep status.
Setting alarms directly on the watch.
Steps to turn off individual or all alarms.
Using the stopwatch to measure time intervals.
How the timer counts down and alerts.
Setting timer parameters directly on the watch.
How the pedometer counts steps.
Proper watch wearing for accurate step counts.
Viewing details of incoming calls, mail, and SNS alerts.
Enabling or disabling notification reception.
Viewing the list of received notifications.
Removing all stored notifications.
Removing a single notification from the list.
Overview of settings menus for different activities.
Setting up automatic lap recording during activities.
Setting the pool length for swimming measurements.
How auto pause works during activity measurements.
Adjusting GPS signal reception frequency for accuracy vs. battery.
Setting activity alerts using the phone app.
Activating training alerts directly on the watch.
Meaning of symbols on training alert screens.
Choosing between surface and horizontal distance display.
Setting up interval timers using the CASIO WATCHES app.
Selecting watch face patterns and customizing displays.
Managing watch and activity mode functions using the app.
Specifying which screens to display during activity measurement.
Setting checkpoints for altitude-based navigation.
Note that wrist sensor settings require the phone app.
Setting personal sleep and wake-up times using the app.
Setting daily step count goals using the phone app.
Using the phone app to configure various watch settings.
How to select different watch face patterns.
How the step reminder alerts the user to move.
Setting start and end times for night mode.
Adjusting sound and vibration alerts for the watch.
Enabling or disabling the auto light feature.
Setting the duration for the backlight.
How to activate power saving mode.
Choosing between metric and imperial units.
Choosing between kcal and kJ for calorie display.
Selecting hPa or inHg for barometric pressure display.
Choosing Celsius or Fahrenheit for temperature display.
Explanation of various watch indicators and icons.
Steps to update the watch software via the phone app.
Restoring the watch to initial factory default settings.
Using the watch to locate a paired phone.
How to enable and disable Airplane Mode.
A list of cities and their UTC offsets for World Time.
Information on automatic summer time switching.
Explains fitness levels based on age and activity.
Details on the accuracy of various watch measurements.
Details on Bluetooth connectivity and features.
Features related to activity tracking and measurement.
Battery operating times in Watch Mode based on settings.
Battery operating times in Activity Mode based on settings.
Troubleshooting issues with watch charging.
Resolving issues where charging stops prematurely.
Troubleshooting problems with GPS signal reception.
Correcting time and day settings after GPS sync.
Troubleshooting problems establishing a watch-phone connection.
Steps to resolve issues when the watch fails to reconnect.
Troubleshooting connection issues when watch is in Airplane Mode.
Explains when auto time adjustment occurs.
Troubleshooting sensor errors during heart rate measurement.
Reasons for varying altitude readings from different sources.
Troubleshooting sensor errors during altitude measurement.
Understanding the compass symbol indicating magnetism.
Troubleshooting sensor errors in the digital compass.
Troubleshooting issues with inaccurate step counts.
Troubleshooting sensor errors with the pedometer.
Troubleshooting issues with alarm alerts not activating.
