1. Introduction
The Hawkeye Electronics DT1H Depthtrax 1H is a versatile handheld sonar system designed to provide accurate depth, temperature, and fish readings. This portable device is suitable for various applications, from shorelines to boats, and features a backlit LCD display for clear viewing in all conditions. It is waterproof and provides readings from 0.7 to 91.5 meters (2.5 to 300 feet).
Figure 1: Hawkeye DT1H Depthtrax 1H Handheld Depth Finder. This image shows the compact, ergonomic design of the device, highlighting its display and transducer end.
2. Product Features
- Waterproof Design: Ensures durability and reliable performance in aquatic environments.
- Depth Reading Capability: Provides accurate depth measurements from 0.7 meters (2.5 feet) up to 91.5 meters (300 feet).
- Real-Time Data: Displays instant temperature (water or air) and fish readings.
- Backlit LCD Display: Enhances visibility for nighttime use or in low-light conditions.
- Portable and Handheld: Designed for easy use and transport.
3. Setup and Battery Installation
- Battery Requirement: The DT1H requires one 9V battery (not included).
- Install Battery: Locate the battery compartment, typically on the back or side of the unit. Open the compartment, insert a fresh 9V battery, ensuring correct polarity, and securely close the cover.
- Initial Check: After battery installation, briefly press the activation button to ensure the LCD display powers on.
4. Operating Instructions
The DT1H Depthtrax 1H is designed for straightforward operation. Follow these steps to obtain readings:
- Prepare for Use: Ensure the unit has a charged 9V battery installed.
- Submerge Transducer: Place the transducer side of the unit into the water. The transducer is the end of the device that emits and receives sonar signals. Ensure it is fully submerged and free from obstructions.
- Activate Device: Slide or press the activation button. The LCD display will immediately show depth, fish, and temperature readings.
- Readings:
- Depth: Displayed in feet or meters, with 1/10th precision.
- Temperature: Shows real-time water or air temperature.
- Fish Readings: Indicates the presence of fish within the sonar cone.
- Nighttime Viewing: The LCD display is backlit for clear visibility in low-light conditions.
- Automatic and Manual Modes: The device supports both automatic and manual modes, allowing flexibility for different applications. Refer to the full user guide for detailed instructions on switching between modes if applicable.
5. Applications
The DT1H Depthtrax 1H is highly versatile and can be used in various scenarios:
- Shorelines, River Banks, Pond Banks, Lake Banks: Aim the sonar from any shoreline to get instant depth readings.
- Docks, Jetties, Piers: Use the Manual Mode to suspend the depth finder from these structures for continuous monitoring.
- Float Tubes, Kayaks, Canoes: Utilize Automatic or Manual Modes. The device can also be placed inside the hull to shoot through the hull for depth and fish readings (ensure the hull material is suitable for sonar penetration).
- Boats, Rafts, Tenders, Dinghies: Operate in Automatic or Manual Modes. Similar to kayaks, it can shoot through the hull for depth readings.
- Personal Watercraft (PWC): An ideal primary depth finder due to its compact size and ease of use.
- Ice Fishing: Shoot through the ice before drilling a hole to check depth or detect fish. Suspend the unit in the hole while fishing to monitor passing fish.
6. Maintenance
To ensure the longevity and optimal performance of your Hawkeye DT1H Depthtrax 1H, follow these maintenance guidelines:
- Cleaning: After each use, especially in saltwater, rinse the unit with fresh water to remove salt, dirt, and debris. Wipe it dry with a soft cloth. Do not use abrasive cleaners or solvents.
- Battery Care: Remove the 9V battery if the unit will not be used for an extended period to prevent leakage and damage. Always use high-quality batteries.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Transducer Protection: Avoid scratching or damaging the transducer surface, as this can affect performance.
7. Troubleshooting
If you encounter issues with your DT1H Depthtrax 1H, consider the following common troubleshooting steps:
- No Power/Display Not Working:
- Check the 9V battery. Ensure it is correctly installed and has sufficient charge. Replace if necessary.
- Verify the battery compartment is securely closed.
- Inaccurate or No Readings:
- Ensure the transducer is fully submerged in water and free from air bubbles or obstructions.
- Check for any debris or marine growth on the transducer surface. Clean if necessary.
- If shooting through a hull, ensure there are no air pockets between the transducer and the hull, and that the hull material is suitable for sonar.
- Operating in very shallow water (less than 0.7m) or extremely deep water (over 91.5m) may result in unreliable readings.
- Intermittent Readings:
- This could indicate a low battery. Replace the 9V battery.
- Ensure a stable connection between the transducer and the water.
For further assistance, refer to the official Hawkeye Electronics support resources.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Hawkeye |
| Model Name | DT1H |
| Power Source | Battery Powered (1x 9V battery) |
| Display Type | LCD (Backlit) |
| Item Weight | 0.01 Ounces (approx. 0.28 grams) |
| Maximum Measuring Depth | 300 Feet (approx. 91.5 meters) |
| Minimum Measuring Depth | 2.5 Inches (approx. 0.7 meters) |
| Mounting Type | Handheld |
| Waterproof | Yes (to 150 feet / 50 meters) |
| GTIN / UPC | 689853183568 |
| ASIN | B07KN7TJ36 |
9. Warranty and Support
Hawkeye Electronics is committed to providing quality products and customer support.
- Warranty Information: For detailed warranty terms and conditions, please refer to the documentation included with your product or visit the official Hawkeye Electronics website. Warranty coverage typically addresses manufacturing defects.
- Online Support: Access to online support resources is available. For frequently asked questions, troubleshooting guides, and contact information, please visit the Hawkeye Electronics Store on Amazon or their official company website.
- Contact: If you require technical assistance or have questions not covered in this manual, please contact Hawkeye Electronics customer service through their official channels.


