Contents

Contents
Introduction
- Watch Features
- Measurement Functions
- Overview
- About This Manual
Getting Ready
- Initial Default Settings for Heart Rate Measurement
Basic Operations You Should Remember
Using Outdoor Watch Functions - Using CASIO Watch Faces and Apps
- Using CASIO Watch Faces
- Using the Heart Rate Watch Face
- Using the Location Memory App
- Using Point Navigation
- Using the TOOL App
  - Using Compass
  - Using Altimeter
  - Using Barometer
  - Using Sunrise/Sunset
  - Using Tide Graph
  - Interpreting Fishing Time Screen Contents
  - Using My Graph
- Using the Activity App
- Using the MOMENT SETTER App
- Using the Multi Timepiece App
- Common Outdoor Function Settings
  - Setting Item List
Troubleshooting
Important!
- Precautions During Use
- User Maintenance
- Chargeable Battery Handling (Please recycle!)
- Personal Information Protection Precautions
- Wearing the Watch
Main Specifications
Supplementary Information

Casio WSD-F21HR User's Guide

Pages 133

Year 2019

Language(s)

of 133

Casio WSD-F21HR Watch Specification

The Casio WSD-F21HR is a robust and versatile smartwatch designed for outdoor enthusiasts, offering a comprehensive suite of features ideal for hiking, running, and various adventures. It is equipped with a 1.32-inch dual-layer display, featuring both monochrome and color LCDs to enhance visibility and battery efficiency. The watch is powered by Wear OS, providing seamless integration with Google services and a wide range of compatible apps. Built to withstand harsh conditions, the WSD-F21HR meets military standard MIL-STD-810G for durability and water resistance up to 50 meters, making it suitable for various environments.

The watch includes built-in GPS, GLONASS, and a heart rate monitor, enabling users to track their location and physical activity accurately. Its array of sensors, including a compass, altimeter, barometer, and accelerometer, delivers comprehensive data for outdoor activities. The device supports Bluetooth and Wi-Fi connectivity, ensuring effective communication and data synchronization with smartphones.

With a focus on customization, the WSD-F21HR allows users to tailor the watch face and data displays to suit their specific needs. The battery life is optimized through the dual-layer display technology, offering up to 1.5 days of use in normal mode and extending to a month in timepiece mode. The watch also supports offline map functionality, allowing users to navigate without a connected smartphone.

Encased in a rugged design, the Casio WSD-F21HR combines advanced technology with durability, making it an ideal companion for outdoor exploration and fitness tracking. Its user-friendly interface and comprehensive feature set cater to both casual users and serious outdoor enthusiasts, providing a reliable tool for managing and enhancing outdoor experiences.

Casio WSD-F21HR Watch F.A.Q.

How do I connect my Casio WSD-F21HR to a smartphone?

To connect your Casio WSD-F21HR to a smartphone, download the Wear OS by Google app on your phone. Open the app, and follow the on-screen instructions to pair the watch with your phone via Bluetooth.

How can I perform a factory reset on my Casio WSD-F21HR?

To perform a factory reset, swipe down on the home screen, tap on Settings > System > Disconnect & reset. Confirm your choice to reset the watch to its original settings.

What should I do if my Casio WSD-F21HR is not charging?

Ensure the charging cable is properly connected and the pins are clean. Try using a different power outlet or USB port. If the problem persists, inspect the charger for damage or consult customer support.

How do I update the software on my Casio WSD-F21HR?

To update the software, ensure your watch is connected to Wi-Fi. Open the Settings menu, go to System > About > System updates. Follow the instructions to download and install updates.

How can I extend the battery life of my Casio WSD-F21HR?

To extend battery life, reduce screen brightness, disable unnecessary notifications, and turn off connectivity features like GPS and Wi-Fi when not in use. Consider using Timepiece Mode for basic timekeeping.

Why is my Casio WSD-F21HR not tracking my heart rate accurately?

Ensure the watch is snug on your wrist and the sensor is clean. Interference from tattoos or excessive movement might affect accuracy. If issues persist, restart the watch or recalibrate the sensor.

Can I use my Casio WSD-F21HR for swimming?

Yes, the Casio WSD-F21HR is water-resistant up to 50 meters and can be used for swimming. However, avoid pressing buttons underwater and ensure the watch is properly sealed.

How do I customize the watch face on my Casio WSD-F21HR?

To customize the watch face, press and hold the current watch face. Swipe through the available options or download new faces from the Google Play Store. Tap on the one you like to set it as your watch face.

What should I do if my Casio WSD-F21HR becomes unresponsive?

If your watch is unresponsive, try performing a restart by holding down the power button until the watch restarts. If this doesn't work, try a factory reset as a last resort.

How do I track a workout on my Casio WSD-F21HR?

To track a workout, open the Google Fit app or any compatible fitness app on your watch. Select the type of workout, then press start. The watch will monitor your activity and provide metrics such as distance, heart rate, and calories burned.