Introduction
This manual provides essential instructions for the proper setup, operation, and maintenance of your Radiant Reloj Smartwatch RAS20803 San Francisco. Please read this manual thoroughly before using your device to ensure optimal performance and longevity.

Package Contents
- Radiant Reloj Smartwatch RAS20803
- USB Charging Cable
- User Manual
Setup
Initial Setup
- Charging the Device: Connect the charging cable to the smartwatch and a compatible USB power source. Ensure the device is fully charged before its first use. A full charge typically takes approximately 2 hours.
- Powering On/Off: To power on the smartwatch, press and hold the side button for a few seconds until the screen illuminates. To power off, press and hold the side button, then select the 'Power Off' option on the screen.
- App Installation: Download and install the official companion application on your smartphone. Scan the QR code provided in the packaging or search for "Radiant Smartwatch App" in your smartphone's app store (e.g., Google Play Store for Android).
- Pairing with Smartphone:
- Ensure Bluetooth is enabled on your smartphone.
- Open the companion app and follow the on-screen instructions to search for your RAS20803 smartwatch.
- Select your device from the list and confirm the pairing request on both your smartphone and the smartwatch.
Operating Instructions
Basic Navigation
- Touchscreen: Swipe left, right, up, or down on the display to navigate through different menus, features, and watch faces. Tap to select an option or confirm an action.
- Side Button: Press the side button once to return to the home screen or to wake the device from sleep mode. Press and hold the side button for power options or to access specific shortcuts as configured in the app.
Key Features
- Time and Date: The smartwatch automatically synchronizes its time and date with your paired smartphone.
- Notifications: Receive real-time alerts for incoming calls, text messages, and notifications from various applications on your smartphone. Notification settings can be managed via the companion app.
- Alarm Clock: Set and manage alarms directly on the smartwatch or through the companion application.
- Heart Rate Monitoring: The device features an integrated sensor for continuous heart rate monitoring. View your current heart rate on the watch face or detailed historical data in the companion app.
- Activity Tracking: The smartwatch tracks daily activity metrics including steps taken, distance traveled, and calories burned.
- Sleep Monitoring: When worn during sleep, the device monitors your sleep patterns, providing insights into sleep duration and quality.
Customization
Personalize your smartwatch experience by customizing watch faces, notification preferences, and other settings through the dedicated companion application on your smartphone.
Maintenance
Cleaning
To clean your smartwatch, gently wipe the screen and casing with a soft, dry, lint-free cloth. Avoid using abrasive materials, harsh chemicals, or cleaning sprays, as these can damage the device's finish and internal components.
Water Resistance
The Radiant Reloj Smartwatch RAS20803 is designed to be resistant to splashes and brief immersion in water. It is suitable for everyday use such as hand washing or light rain. However, it is not recommended for swimming, showering with hot water, diving, or exposure to high-pressure water jets. Prolonged exposure to water or use in extreme water conditions may cause damage not covered by warranty.
Battery Care
- Charge the device regularly to maintain battery health. Avoid completely draining the battery frequently.
- Store the smartwatch in a cool, dry place and avoid exposing it to extreme temperatures (hot or cold), which can degrade battery performance.
- Always use the provided original charging cable to prevent potential damage to the device or battery.
Troubleshooting
Common Issues and Solutions
- Device not powering on:
- Ensure the battery is sufficiently charged. Connect the smartwatch to its charger for at least 30 minutes.
- Attempt to power on the device by pressing and holding the side button.
- Cannot pair with smartphone:
- Verify that Bluetooth is enabled on your smartphone.
- Ensure the smartwatch is within close proximity (typically within 10 meters) of your smartphone.
- Restart both the smartwatch and your smartphone, then attempt the pairing process again.
- If previously paired, try unpairing the device from your smartphone's Bluetooth settings and then re-pairing through the companion app.
- Notifications not received:
- Check the notification settings within the companion app to ensure they are enabled for desired applications.
- Confirm that the smartwatch is properly connected to your smartphone via Bluetooth.
- Verify that your smartphone's notification permissions allow the companion app to access and forward notifications.
- Inaccurate data (e.g., heart rate, steps):
- Ensure the smartwatch is worn correctly on your wrist, snug but not overly tight, and positioned above the wrist bone.
- Clean the sensor on the back of the smartwatch to remove any dirt or debris.
Specifications
| Feature | Detail |
|---|---|
| Model | RAS20803 |
| Brand | Radiant |
| Operating System Compatibility | Android (Compatible) |
| Connectivity | Bluetooth |
| Display Type | Digital |
| Screen Size | 46.3 Millimetres |
| Battery Cell Composition | Silver Oxide |
| Special Features | Alarm Clock, Notifications, Text Messaging |
| Human Interface Input | Touchscreen |
| Strap Material | Silicone (Blue) |
| Approx. Package Dimensions | 11.2 x 8.4 x 8.2 cm |
| Approx. Package Weight | 100 g |
Warranty and Support
Your Radiant Reloj Smartwatch RAS20803 is covered by a manufacturer's warranty. For detailed information regarding warranty terms, conditions, and duration, please refer to the warranty card included in your product packaging or visit the official Radiant website. For technical assistance, troubleshooting beyond this manual, or customer support inquiries, please contact your authorized retailer or Radiant customer service.





