1. Rhagymadrodd
The COROS APEX 2 Pro is an advanced outdoor GPS watch designed for athletes and adventurers. It features a durable build, extended battery life, precise GPS tracking, and comprehensive training metrics to support a wide range of activities including running, biking, climbing, and more.
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your COROS APEX 2 Pro watch.

Figure 1.1: COROS APEX 2 Pro Outdoor GPS Watch.
2. Beth sydd yn y Bocs
Upon opening the packaging, verify that all components are present:
- COROS APEX 2 Pro Sports Watch x 1
- Cebl gwefru x 1
- Instructions / Synopsis x 1

Figure 2.1: Packaging contents of the COROS APEX 2 Pro.
3. Gosod
3.1 Codi Tâl Cychwynnol
Before first use, fully charge your COROS APEX 2 Pro watch. Connect the provided charging cable to the watch and a USB power source. The watch display will indicate charging status.

Figure 3.1: Charging the COROS APEX 2 Pro.
3.2 Pairing with the COROS App
To unlock the full functionality of your watch, download the COROS app from your smartphone's app store. Follow the on-screen instructions within the app to pair your watch via Bluetooth. This process enables data synchronization, map downloads, and personalized training features.
3.3 Diweddariadau Meddalwedd
Ensure your watch's firmware is up to date for optimal performance and access to the latest features. Updates are typically managed through the COROS app.
4. Gweithredu'r Oriawr
4.1 Bywyd Batri
The COROS APEX 2 Pro offers extended battery performance. Expect up to 24 days of regular use or 66 hours of full GPS tracking. This allows for prolonged outdoor activities without frequent recharging.

Figure 4.1: Battery performance overview.
4.2 Durable Design
The watch is constructed with a sapphire glass screen and a grade 5 titanium alloy bezel, providing robust protection for the internal electronic components. The 1.3-inch Always-On Memory LCD Touch Sapphire Screen and PVD-coated bezel are designed to be scratch-resistant, suitable for demanding outdoor environments.

Figure 4.2: Key durability features.
4.3 Monitro Cyfradd y Galon
An advanced optical heart rate sensor with a 5-LED system and 4 photodetectors ensures accurate heart rate and HRV (Heart Rate Variability) tracking. This allows for precise performance monitoring during daily activities and workouts.

Figure 4.3: Optical heart rate sensor in action.
4.4 GPS Accuracy and Navigation
The watch features a high-performance antenna and an All-Satellite GNSS chipset, receiving signals from all five major satellite systems for enhanced data precision. The APEX 2 Pro also includes dual-frequency technology for even greater accuracy.

Figure 4.4: Advanced GPS technology.
Equipped with downloadable global Landscape and regional Topo maps, the watch allows for on-wrist navigation. Routes created in the COROS app can be easily synced and followed, ensuring you stay on course during explorations.

Figure 4.5: Global offline maps for navigation.
Fideo 4.1: Dros benview of the COROS APEX 2 and APEX 2 Pro watches in various outdoor settings, demonstrating their use for navigation and activity tracking.
4.5 Training Solutions
The COROS APEX 2 Pro integrates with advanced training solutions like COROS EvoLab and COROS Training Hub. These platforms help users transform performance data into actionable insights, including training load trends, recovery timers, and workout builders.

Figure 4.6: COROS EvoLab for training insights.
Users can create and manage training plans, download pre-designed workouts from elite athletes, and build personalized workouts with custom intensity and intervals. The flexible training calendar allows for syncing and following your schedule directly from your wrist.

Figure 4.7: Creating training plans in COROS Training Hub.
4.6 Recovery and Sleep Monitoring
The watch assists in proper recovery by monitoring sleep quality, tracking deep, light, and REM sleep stages. This detailed breakdown helps users understand their rest patterns for optimal training and recovery.

Figure 4.8: Enhanced sleep monitoring in the COROS app.
4.7 Water Resistance and Temperature Tolerance
The COROS APEX 2 Pro is rated for 5 ATM water resistance, making it suitable for open water activities and capable of withstanding pressures up to 50 meters. It is designed to operate in a wide range of temperatures, from -20°C to 50°C, ensuring reliability in diverse climates.

Figure 4.9: Water resistance feature.

Figure 4.10: Temperature resistance.
5. cynnal
5.1 Glanhau Eich Oriawr
Regularly clean your COROS APEX 2 Pro to ensure optimal performance and hygiene. Use a soft, damp cloth to wipe the watch body and strap. For stubborn dirt, a mild soap solution can be used, followed by rinsing with clean water and thorough drying.
Avoid using harsh chemicals, abrasive cleaners, or solvents, as these can damage the watch's materials and finish.
5.2 Arferion Gorau Codi Tâl
To prolong battery life, avoid fully discharging the watch frequently. Charge the watch using only the provided COROS charging cable. Store the watch in a cool, dry place when not in use for extended periods.
6. Datrys Problemau
If you encounter issues with your COROS APEX 2 Pro, consider the following common troubleshooting steps:
- Oriawr Ddim yn Troi Ymlaen: Gwnewch yn siŵr bod yr oriawr wedi'i gwefru'n llawn. Cysylltwch hi â'r gwefrydd ac aros ychydig funudau cyn ceisio ei throi ymlaen.
- Materion paru: Verify Bluetooth is enabled on your smartphone and the watch. Restart both devices and try pairing again. Ensure the COROS app is updated to the latest version.
- GPS Inaccuracy: Gwnewch yn siŵr eich bod mewn ardal agored gyda golau clir view of the sky. Allow the watch sufficient time to acquire a GPS signal before starting an activity.
- Heart Rate Sensor Issues: Gwnewch yn siŵr bod yr oriawr yn cael ei gwisgo'n glyd ar eich arddwrn, nid yn rhy dynn nac yn rhy llac. Glanhewch yr ardal synhwyrydd ar gefn yr oriawr.
- Glitches Meddalwedd: Perform a soft reset by holding down the digital dial until the COROS logo appears. If the issue persists, a factory reset (via the COROS app or watch settings) may be necessary, but note that this will erase all data on the watch.
For more detailed troubleshooting or persistent issues, refer to the official COROS User Guide PDF available online or contact COROS customer support.
7. manylebau
| Nodwedd | Manylyn |
|---|---|
| Enw Model | APEX 2 Pro |
| Brand | COROS |
| Maint Sgrin | 1.3 Inches (Sapphire Glass) |
| Pwysau | 53 gram (1.87 owns) |
| GPS | Built-in GPS, Dual-Freq GPS, All-Satellite GNSS |
| Battery Life (Regular Use) | Hyd at 24 Diwrnod |
| Battery Life (Full GPS) | Hyd at 66 awr |
| Gwrthiant Dŵr | 5 ATM (hyd at 50 metr) |
| System Weithredu | Self-developed embedded operating system |
| Cynhwysedd Storio Cof | 32 GB |
| Technoleg Cysylltedd | Bluetooth |
| Rhif Model yr Eitem | W521 |
| Gwneuthurwr | COROS |
| Gwlad Tarddiad | Tsieina |
8. Gwarant a Chefnogaeth
For detailed warranty information, please refer to the official COROS website or the warranty documentation included with your product. COROS provides support for its products to ensure customer satisfaction.
You can find the comprehensive User Guide in PDF format here: COROS APEX 2 Pro User Guide (PDF).
For further assistance, contact COROS Wearables directly through their official support channels.





