1. Product Overview
The Mares Genius Scuba Dive Computer is an advanced wrist-mounted device designed for both recreational and technical diving. It features a high-resolution color display, multiple gas management capabilities, and a sophisticated decompression algorithm.

2. Key Features
- Advanced ZH-L16C Decompression Algorithm: Utilizes a 16-tissue model with adjustable Gradient Factors for enhanced safety and precision throughout the dive.
- Multi-Gas Support (Nitrox & Trimix): Capable of managing up to five different gas mixtures (21–99% O2) to optimize bottom and decompression times with timely gas change prompts.
- High-Resolution Color Display: Features a 2.7-inch QVGA tempered mineral glass LCD with 256,000 colors and adjustable brightness (420 cd/m2), providing three horizontal data zones for clear visibility.
- Hose-less Tank Integration: Connects with up to five optional high-pressure probes for seamless tank integration, displaying real-time gas consumption and tank pressure in color-coded zones.
- Bluetooth Connectivity & Data Management: Compatible with Mares App and MySSI App for easy dive log downloads, management, and firmware updates. Includes a dedicated USB clip and cable for PC data transfer.

3. Setup and Initial Configuration
3.1. Charging the Device
The Mares Genius features a rechargeable battery. Connect the device to a power source using the provided USB clip and cable. Ensure the battery is fully charged before your first dive.

3.2. Language and Unit Settings
Navigate through the main menu to "Settings" to select your preferred language and measurement units (e.g., meters/bar or feet/psi).
3.3. Tank Integration (Optional)
For hose-less tank integration, pair your Mares Genius with up to five optional high-pressure probes. Refer to the probe's specific instructions for pairing. Once paired, the computer will display real-time gas consumption and tank pressure.
4. Operating the Dive Computer
4.1. Navigation
The Mares Genius is operated using four buttons located on the front of the device. Use these buttons to navigate through menus, select options, and confirm settings.
4.2. Dive Modes
The computer supports various dive modes, including Air, Nitrox, and Trimix. Select the appropriate mode based on your dive plan and gas mixtures.
4.3. Display Information
The high-resolution color display provides critical dive information at a glance, including:
- Current Depth
- Maximum Depth
- No-Decompression Limit (NDL)
- Dive Time
- Water Temperature
- Tank Pressure (if integrated)
- Ascent Rate

4.4. Digital Compass
The integrated digital compass provides precise navigation underwater. Access it through the main menu.

4.5. Logbook
The Mares Genius automatically records your dive data. Access the logbook to review past dives, including dive profiles, maximum depth, dive time, and gas consumption. The device can store over 1000 hours of dive profiles.

5. Maintenance and Care
- Rinse the dive computer with fresh water after each dive to remove salt and debris.
- Avoid exposing the device to direct sunlight for extended periods, as this can damage the display and battery.
- Store the device in a cool, dry place, away from extreme temperatures and humidity.
- Regularly check the battery level and recharge as needed to ensure optimal performance.
- Keep the display clean using a soft, lint-free cloth. Avoid abrasive materials or harsh chemicals.
6. Troubleshooting
6.1. Display Not Turning On
- Ensure the battery is charged. Connect to the charger and wait a few minutes before attempting to power on.
- Press and hold the power button for several seconds to perform a soft reset.
6.2. Tank Pressure Not Displaying
- Verify that the optional high-pressure probe is correctly installed and paired with the dive computer.
- Check the battery of the high-pressure probe and replace if necessary.
- Ensure the tank valve is fully open.
6.3. Bluetooth Connectivity Issues
- Ensure Bluetooth is enabled on both the dive computer and your smart device.
- Move closer to your smart device to ensure a strong signal.
- Restart both devices and attempt to pair again.
7. Specifications
| Feature | Detail |
|---|---|
| Item Package Dimensions L x W x H | 14.33 x 12.56 x 9.29 inches |
| Package Weight | 1.6 Kilograms |
| Item Dimensions LxWxH | 9 x 8 x 6 inches |
| Item Weight | 1.9 Pounds |
| Brand Name | Mares |
| Color | Black/Silver |
| Manufacturer | Mares |
| Part Number | localization_B07HPFK6KQ |
| ASIN | B07HPFK6KQ |
| Date First Available | September 26, 2018 |
8. Warranty and Support
This product comes with a full manufacturer warranty. For detailed warranty information, service, or technical support, please refer to the official Mares website or contact their customer service.
You can visit the Mares Store for more information: Mares Store





