Gravity W4-C28
Gravity C25 Smartwatch User Manual
Model: W4-C28
1. Inleiding en oorview
The Gravity C25 Smartwatch is designed to offer a comprehensive blend of style, functionality, and durability. Featuring a vibrant 1.43-inch AMOLED display with Always-On Display (AOD) capability, it provides clear visuals and intuitive touch interaction. This smartwatch is built for active individuals, offering extensive health and fitness tracking, smart connectivity, and robust protection against environmental elements.
Sleutel kenmerke sluit in:
- 1.43" AMOLED Display with Always-On Mode: High-resolution 466x466 display for vibrant colors and sharp visuals, with AOD for quick glances.
- Advanced Health & Fitness Tracking: 24/7 heart rate monitoring, sleep tracking, step counting, and blood oxygen monitoring.
- 100+ Sports Modes & AI Voice Assistant: Comprehensive tracking for various activities and hands-free control.
- Bluetooth-oproepe en slim kennisgewings: Make and receive calls directly from your wrist, and get alerts for messages and apps.
- Rugged & Weather-Resistant Design: 1 ATM waterproof, dustproof, shockproof, and resistant to extreme temperatures (-24°C to 60°C).
- Long Battery Life & Universal Compatibility: Up to 25 days of standby time with a 410mAh battery, compatible with Android and iOS via the Da Fit app.

Figure 1.1: The Gravity C25 Smartwatch, showcasing its round display and rugged design with orange accents.

Figuur 1.2: 'n Oorview of the Gravity C25 Smartwatch's key features, including its 1.43-inch AMOLED screen, 1 ATM waterproof rating, 100+ sports modes, and compatibility with the Da Fit app.
2. Wat is in die boks
Upon unboxing your Gravity C25 Smartwatch, please ensure all the following items are present:
- Gravity C25 Smartwatch
- Laai kabel
- Gebruikershandleiding (hierdie dokument)
3. Opstelgids
3.1 Aanvanklike laai
Before first use, fully charge your Gravity C25 Smartwatch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a compatible power adapter (not included) or a computer's USB port.
- Align the magnetic charging pins with the contacts on the back of the watch.
- Ensure a secure connection. The watch display will indicate charging status.
- Wag ongeveer 2 uur vir 'n volle lading.
3.2 App-installasie en -paring
The Gravity C25 Smartwatch pairs with your smartphone via the Da Fit app. This app is essential for managing settings, tracking health data, and customizing watch faces.
- Download the Da Fit App: Soek vir "Da Fit" in the Apple App Store (for iOS devices) or Google Play Store (for Android devices), or scan the QR code provided in the watch's quick start guide.
- Skep 'n rekening: Open the Da Fit app and follow the on-screen instructions to create a new account or log in.
- Aktiveer Bluetooth: Maak seker dat Bluetooth op jou slimfoon geaktiveer is.
- Koppel die toestel:
- In the Da Fit app, navigate to the "Device" or "Add Device" section.
- The app will search for nearby devices. Select "C25" or "Gravity C25" from the list of found devices.
- Bevestig die paringsversoek op beide jou foon en slimhorlosie indien gevra.
- Toestemmings verleen: Allow necessary permissions (e.g., location, notifications, contacts) for the app to function correctly.
Sodra dit gekoppel is, sal die horlosie tyd en data met jou foon sinchroniseer.
4. Bedryfsinstruksies
4.1 Basiese navigasie
- Raakskerm: Veeg links/regs, op/af om deur spyskaarte en kenmerke te navigeer. Tik om te kies.
- Syknoppies: The watch features two physical buttons.
- Top Button (POWER): Press to wake/sleep the screen, return to the home screen, or long-press to power on/off.
- Onderste Knoppie (SPORT): Press to quickly access the sports modes menu.
4.2 Display and Watch Faces
The 1.43-inch AMOLED display offers vibrant visuals. The Always-On Display (AOD) feature allows the time and essential information to remain visible without activating the full screen.
- Verander horlosievlakke:
- On the watch, long-press the home screen to cycle through pre-installed watch faces.
- For more options, open the Da Fit app, navigate to "Watch Faces" or "Dial Settings" to browse and download additional designs.
- Altyd-aan-skerm (AOD): Enable or disable AOD through the watch settings or the Da Fit app. Note that AOD may impact battery life.

Figuur 4.1: Close-up view of the Gravity C25's 1.43-inch AMOLED HD screen, highlighting its display quality and resolution.

Figure 4.2: A selection of customizable watch dials available for the Gravity C25 Smartwatch, demonstrating the variety of display options.
4.3 Bluetooth-oproepe en kennisgewings
The C25 allows you to make and receive calls directly from your wrist and receive smart notifications.
- Bluetooth-oproepe:
- Maak seker dat die horlosie via Bluetooth aan jou foon gekoppel is.
- In the Da Fit app, enable the "Bluetooth Call" feature. You may need to pair the watch as a separate audio device in your phone's Bluetooth settings (e.g., "C25_CALL").
- To make a call, access the dial pad or contacts on the watch. To answer, tap the green icon when a call comes in.
- Slim kennisgewings:
- In the Da Fit app, go to "Notifications" and enable notifications for desired apps (e.g., SMS, WhatsApp, social media).
- Notifications will appear on your watch screen. Swipe up from the home screen to view jou kennisgewinggeskiedenis.
4.4 Gesondheids- en fiksheidsopsporing
The Gravity C25 provides comprehensive health monitoring and fitness tracking features.
- Hartslagmonitering: Die horlosie monitor jou hartklop voortdurend. View real-time data on the watch or detailed historical data in the Da Fit app.
- Bloedsuurstof (SpO2) Monitering: Measure your blood oxygen levels on demand. Access this feature from the watch's health menu.
- Slaap dop: Wear the watch to bed to track your sleep patterns, including deep sleep, light sleep, and awake times. Analysis is available in the Da Fit app.
- Step Counting and Activity: Die horlosie hou outomaties jou daaglikse stappe, afstand en kalorieverbranding dop.

Figure 4.3: Illustration of the Gravity C25's scientific sleep monitoring capabilities, showing sleep stages and data analysis.

Figure 4.4: Visual representation of the Gravity C25's smart blood oxygen and 24-hour heart rate monitoring features, including data display and sensor location.
4.5 Sports Modes and AI Voice Assistant
- 100+ sportmodusse:
- Press the "SPORT" side button or navigate through the watch menu to access the sports modes.
- Select your desired activity (e.g., running, cycling, swimming, hiking) to start tracking. The watch will record duration, calories, heart rate, and other relevant metrics.
- End your workout by swiping or pressing the appropriate on-screen button. Data will sync to the Da Fit app.
- AI Voice Assistant:
- Ensure your watch is connected to your phone and the voice assistant feature is enabled in the Da Fit app.
- Access the AI voice assistant from the watch's menu. Speak your commands (e.g., "What's the weather?", "Set a timer").
5. Onderhoud en versorging
To ensure the longevity and optimal performance of your Gravity C25 Smartwatch, follow these maintenance guidelines:
- Skoonmaak: Regularly wipe the watch screen and body with a soft, lint-free cloth. For stubborn dirt, slightly dampMaak die lap met water skoon. Vermy harde chemikalieë of skuurmiddels.
- Waterbestandheid (1 OTM): The C25 is 1 ATM waterproof, meaning it can withstand splashes, rain, and brief immersion (e.g., showering, shallow swimming). It is not suitable for diving or high-pressure water activities. After exposure to water, especially saltwater, rinse with fresh water and dry thoroughly.
- Temperatuur weerstand: The watch is designed to operate in temperatures ranging from -24°C to 60°C. Avoid exposing it to extreme temperatures outside this range for prolonged periods.
- Shock and Dust Resistance: While rugged, avoid unnecessary drops or impacts. Keep the charging contacts clean and free of dust.
- Bandversorging: Clean the silicone strap regularly with mild soap and water to prevent skin irritation and maintain hygiene.

Figure 5.1: The Gravity C25 Smartwatch demonstrating its 1 ATM water resistance, suitable for swimming and other water activities up to 10 meters depth.

Figure 5.2: Visuals illustrating the Gravity C25's durability features, including resistance to extreme cold, high temperatures, dust, and drops, making it suitable for harsh environments.
6. Probleemoplossing
If you encounter issues with your Gravity C25 Smartwatch, refer to the following common problems and solutions:
| Probleem | Moontlike Oplossing |
|---|---|
| Horlosie skakel nie aan nie | Ensure the watch is fully charged. Long-press the POWER button for several seconds. |
| Kan nie met slimfoon koppel nie |
|
| Kennisgewings nie ontvang nie |
|
| Onakkurate gesondheidsdata |
|
| Kort batterylewe |
|
7. Spesifikasies
| Kenmerk | Detail |
|---|---|
| Modelnommer | W4-C28 |
| Vertoon | 1.43 Inches AMOLED, 466x466 resolution |
| Battery kapasiteit | 410 mAh litiumpolimeer |
| Bystandtyd | Tot 25 dae |
| Konnektiwiteit | Bluetooth |
| Waterweerstand | 1 OTM (10 meter) |
| Bedryfstelsel | Android OS (compatible with iOS and Android devices via Da Fit app) |
| Temperatuur weerstand | -24°C tot 60°C |
| Afmetings (Pakket) | 9 x 4 x 1 duim |
| Item gewig | 1 pond (16 onse) |
| Vervaardiger | Swaartekrag |
8. Waarborg en Ondersteuning
For warranty information and technical support regarding your Gravity C25 Smartwatch, please refer to the official Gravity website or contact their customer service directly. Details are typically available on the manufacturer's packaging or official product pages.
Vervaardiger: Swaartekrag
For the most up-to-date support resources, please visit the produkbladsy op Amazon or the official Gravity brand webwebwerf.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.