1. Introduction
This manual provides essential information for the proper use, setup, and maintenance of your Mares Puck 4 Wrist Dive Computer. The Mares Puck 4 is an entry-level watch-style dive computer designed for underwater scuba diving, offering intuitive one-button control and advanced features for a safe and informed diving experience.
Image: Front view of the Mares Puck 4 Wrist Dive Computer, displaying depth, no-decompression limit, and time.
2. Important Safety Information
WARNING: Diving with a dive computer requires proper training and understanding of dive theory. This device is a tool to assist in safe diving practices, but it does not replace proper training or personal responsibility. Always follow the guidelines of your certification agency and dive within your limits.
- Read the Entire Manual: Before using the Mares Puck 4, thoroughly read and understand all instructions and warnings in this manual.
- Certified Diver: This device is intended for use by certified divers only.
- Pre-Dive Checks: Always perform all necessary pre-dive checks, including battery level, settings, and proper function.
- Decompression Sickness: No dive computer can eliminate the risk of decompression sickness (DCS). Always ascend slowly and perform safety stops.
- Environmental Factors: Be aware of environmental factors such as currents, water temperature, and marine life that can affect your dive plan.
- Medical Conditions: Consult a physician before diving if you have any medical conditions.
3. Setup and Initial Configuration
3.1. Battery Installation
The Mares Puck 4 requires one CR2430 battery. Ensure the battery is correctly installed with the positive (+) terminal facing up. Refer to the battery compartment diagram for proper orientation. Always use a new, high-quality battery for optimal performance and safety.
Image: Side view of the Mares Puck 4, indicating the general area for battery access.
3.2. Initial Power On and Basic Settings
Upon first power-on or after a battery change, the computer will guide you through initial setup. This typically includes:
- Units: Select metric (meters, Celsius) or imperial (feet, Fahrenheit) units.
- Time and Date: Set the current time and date.
- Personal Settings: Configure personal conservatism levels if desired.
3.3. Customizable Dive Algorithm (Bühlmann ZH-L16C)
The Puck 4 features the Bühlmann ZH-L16C algorithm with adjustable gradient factors. This allows for personalization of your dive experience, enhancing safety and precision during decompression dives. Consult your dive instructor or advanced dive theory resources to understand how to adjust these factors appropriately for your diving profile.
Image: Close-up of the Mares Puck 4 display, highlighting algorithm and dive data.
3.4. Multigas Capability
The computer supports up to three gases: Air, Nitrox, and Bottom Timer mode. Configure your gas mixtures (e.g., Oxygen percentage for Nitrox) in the settings menu before each dive. Ensure the selected gas matches the gas in your tank.
For detailed instructions on setting gas parameters, refer to the specific section in the full user manual.
4. Operating the Mares Puck 4
4.1. Single-Button Interface
The Mares Puck 4 operates with a single-button interface for intuitive navigation. Short presses typically cycle through information or menu options, while long presses confirm selections or enter/exit menus. Familiarize yourself with the button functions before diving.
Image: Close-up view of the single control button on the Mares Puck 4.
4.2. Display Information
The crystal-clear segment display, utilizing chip-on-glass technology, provides easy-to-read dive information. Key information displayed includes:
- Current Depth
- No-Decompression Limit (NDL)
- Dive Time
- Water Temperature
- Ascent Rate Indicator
- Battery Level
- Gas Mixture (e.g., O2 percentage for Nitrox)
Image: The Mares Puck 4 display showing depth, temperature, no-decompression time, and current time.
4.3. Dive Modes
The Puck 4 supports the following dive modes:
- Air Mode: For diving with standard air.
- Nitrox Mode: For diving with enriched air nitrox (EAN). Allows setting of O2 percentage.
- Bottom Timer Mode: Functions as a depth gauge and timer, without decompression calculations.
4.4. Integrated Bluetooth Connectivity
Effortlessly transfer dive data to your smart device using the integrated Bluetooth. This feature allows for easy data logging and post-dive analysis with the Mares app. Ensure your smart device has the Mares app installed and Bluetooth is enabled for successful synchronization.
Image: Mares Puck 4 display showing the Bluetooth connection icon.
4.5. Additional Features
- Decompression Dive Planner: Plan your decompression dives with surface intervals.
- Digital Logbook: Stores up to 100 dives, allowing review of dive profiles and data.
- Resettable Average Depth: Track average depth for specific dive segments.
5. Care and Maintenance
Proper care and maintenance will extend the life of your Mares Puck 4 dive computer.
- Rinsing: After each dive, thoroughly rinse the computer with fresh water to remove salt, sand, and chlorine.
- Drying: Dry the computer completely before storage.
- Storage: Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Replacement: Replace the battery as indicated by the low battery warning. It is recommended to have battery changes performed by an authorized Mares service center to ensure water integrity. If changing yourself, ensure the O-ring is clean, properly seated, and lubricated.
- Inspection: Regularly inspect the strap and casing for any signs of wear or damage.
6. Troubleshooting
If you encounter issues with your Mares Puck 4, consider the following general troubleshooting steps:
- Display Not Working: Check the battery level. If low, replace the battery. Ensure the battery is correctly installed.
- Inaccurate Readings: Ensure the computer is properly calibrated (if applicable) and that all settings (e.g., units, gas mixtures) are correct.
- Bluetooth Connectivity Issues: Ensure Bluetooth is enabled on both the dive computer and your smart device. Restart both devices and try pairing again. Check the Mares app for updates.
- Water Leakage: If you suspect water ingress, immediately rinse the computer with fresh water and contact an authorized Mares service center. Do not attempt to open the device further.
For more detailed troubleshooting or issues not covered here, please refer to the comprehensive Mares Puck 4 user manual or contact Mares customer support.
7. Technical Specifications
| Feature | Detail |
|---|---|
| Model Number | 414149 |
| Dimensions | 6.55 x 5.3 x 5.3 inches |
| Weight | 12.03 ounces |
| Battery Type | 1 x CR2430 |
| Algorithm | Bühlmann ZH-L16C (adjustable gradient factors) |
| Dive Modes | Air, Nitrox, Bottom Timer |
| Multigas Support | Up to 3 gases |
| Connectivity | Integrated Bluetooth |
| Logbook Capacity | 100 dives |
| Material | Neoprene (strap) |
| UPC | 194151127393 |
8. Warranty and Support
For warranty information, please refer to the documentation included with your product or visit the official Mares website. Mares provides customer support for product inquiries, technical assistance, and service requests.
Mares Official Website: www.mares.com
It is recommended to register your product on the Mares website to receive updates and facilitate warranty claims.
