1. Introduction
The LUCKY FF916 WiFi Fish Finder is an advanced wireless sonar device designed to enhance your fishing experience. It connects to your iOS or Android smartphone or tablet via WiFi, providing real-time information about fish location, water depth, temperature, and bottom contour directly on your device screen. This manual provides detailed instructions for setting up, operating, and maintaining your FF916 Fish Finder.
Figure 1: LUCKY FF916 WiFi Fish Finder system overview, showing the fish finder, WiFi box, antenna, and smartphone display. The system operates wirelessly without needing an internet connection.
2. Product Overview
2.1 Package Contents
- WiFi Fish Finder (Sonar Transmitter)
- WiFi Box
- Antenna
- Antenna Cable
- Charger (European default, contact customer service for UK/USA)
- Charging Line
- Storage Bag
- Waterproof Cover (x2)
Figure 2: Included components of the FF916 WiFi Fish Finder.
2.2 Device Components
Figure 3: Key components and indicators of the FF916 Fish Finder and WiFi Box.
- Fish Finder Unit:
- Work indicator light (blue)
- Charging indicator light (red)
- WiFi Box:
- Probe signal indicator
- Mobile phone connection signal indicator
- Power button
- Power indicator (LEDs)
Important Note: The sonar sensor will only turn on and be connected with the display unit when it floats on water.
3. Specifications
| Feature | Specification |
|---|---|
| Brand | LUCKY |
| Model | FF916 |
| Sonar Frequency | 125KHz |
| Sonar Coverage | 90 degrees |
| Depth Capacity | 0.7M - 45M (2 Feet - 135 Feet) |
| Power Source | 3.7V rechargeable lithium battery |
| Power Input | DC 10-18V |
| Running Time (fully charged) | 5 hours |
| WiFi Range | 120M |
| WiFi Frequency | 2.4GHz |
| Charging Indicator | Red light |
| Working Indicator | Blue light |
| APP Name | WIFI fish finder |
| APP Languages | English, Russian, Deutsch, French, Italian, Korean, Japanese, Portuguese, Polski, Magyar, Romanian, Czech, Dutch, Slovak, Chinese |
| Product Length | 70mm (2.8in) |
| Product Height | 68mm (2.7in) |
| Product Weight | 0.55 kg |
Figure 4: FF916 dimensions and sonar coverage.
4. Setup Guide
4.1 Initial Preparation
- Ensure your LUCKY FF916 Fish Finder is fully charged before first use. The red charging indicator light will turn off when fully charged.
- Download the correct mobile application: Search for "WIFI Fish Finder" in your device's app store. Ensure you download the correct app, as shown in Figure 5.
Figure 5: Correct and incorrect app versions for the FF916.
4.2 Connecting to Your Smartphone
Follow these steps to connect your FF916 Fish Finder to your mobile device:
- Place the Sonar Transmitter: Gently place the sonar transmitter (fish finder unit) into the water. Ensure the metal probe on the bottom of the unit is in contact with the water. The sonar will only activate when submerged.
- Power On the WiFi Box: Press and hold the power button on the WiFi box for 3 seconds to turn it on. Wait for the orange indicator light on the right side of the WiFi box to flash continuously. This indicates that the sonar probe and WiFi box are connected.
- Connect via WiFi:
- Go to your smartphone's Wi-Fi settings.
- Locate and select the Wi-Fi network named "FishFinder".
- Enter the default password:
12345678. - Once connected, open the "WIFI Fish Finder" application.
Figure 6: Easy setup and connection steps.
Figure 7: Connecting the FF916 to your smartphone.
Figure 8: WiFi box and antenna connection.
5. Operating Instructions
5.1 App Interface and Data Display
Once connected and the app is open, you will see a clear display of sonar data. The app provides real-time information to help you locate fish and understand the underwater environment.
Figure 9: Simple and clear parameter display on the app.
- Water Depth: Current depth of the water.
- Water Temperature: Real-time water temperature.
- Fish Icons: Indicates the presence of fish, often with size differentiation (large/small).
- Fish Depth: Shows the depth at which fish are detected.
- Water Bottom Contour: Visual representation of the underwater terrain.
- Battery Strength Indicator: Displays the remaining battery life of the fish finder.
- Wireless Signal: Indicates the strength of the WiFi connection.
5.2 Casting and Range
The FF916 offers a WiFi operating range of up to 120 meters, allowing you to cast the sonar transmitter a significant distance from your position. The built-in WiFi ensures a stable connection without relying on external internet access.
Figure 10: WiFi reception distance and operating range.
Figure 11: Built-in WiFi and sonar detection capabilities.
5.3 Versatility
The FF916 is suitable for various water bodies, including seawater, turbid water, and lakes, providing high sonar scanning frequency for precise detection.
Figure 12: Suitable for multiple water bodies.
5.4 Product Video
Video 1: Demonstrates the LUCKY FF916 WiFi Fish Finder in action, showcasing its ease of use and real-time data display on a smartphone.
6. Maintenance
- Cleaning: After each use, rinse the fish finder unit and WiFi box with fresh water to remove any salt, dirt, or debris. Wipe them dry with a soft cloth.
- Storage: Store the device in its storage bag in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
- Waterproof Covers: Ensure the waterproof covers are properly sealed before placing the fish finder unit in water.
Figure 13: Fish finder unit components for maintenance reference.
7. Troubleshooting
- No Sonar Data / Inaccurate Readings:
- Ensure the fish finder unit is floating on water and the metal probe is fully submerged. The sonar only activates in water.
- Avoid testing in smooth, hard places like water tanks or swimming pools, as this can cause inaccurate readings due to repeated sonar reception. Always test in outdoor deep water.
- Connection Issues:
- Make sure the WiFi box is powered on and its orange indicator light is flashing.
- Verify that mobile data is turned OFF on your smartphone.
- For iOS devices, turn OFF 'Wi-Fi Assist'.
- For Android devices, turn OFF 'Smart Network Switch', 'Auto Network switch', or 'Wi-Fi+'.
- Ensure you are connected to the correct Wi-Fi network named "FishFinder" with the password
12345678. - Keep the "WIFI Fish Finder" app updated to the latest version.
- Short Battery Life:
- Ensure the device is fully charged before use (5 hours for a full charge).
- Check the charging indicator light (red) to confirm charging status.
8. User Tips
- Optimal Performance: For best results, use the fish finder in open, deep water.
- App Updates: Regularly check for updates to the "WIFI Fish Finder" app to ensure you have the latest features and bug fixes.
- Power Saving: The wireless sensor/WiFi fish finder will automatically switch to a resting state when not in water, stopping sonar operation to conserve battery. It will reactivate once placed back in water.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or the manufacturer's official website. Keep your proof of purchase for warranty claims.
