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General| Brand | National Geographic |
|---|---|
| Model | 80-20010 |
| Category | Security Sensors |
| Battery Type | AA |
| Connectivity | Wireless |
| Outdoor Temperature Range | -20°C to 60°C |
| Power Source | Battery |
| Installation | Wall Mount |
Emphasizes adult supervision for children using the device and keeping small parts away from them.
Covers respecting private property and avoiding device damage from extreme temperatures.
Guidelines for safe battery handling, not disassembling the device, and responsible electronic waste disposal.
Details the key components of the underwater metal detector, including the detection coil and handle.
Highlights the detector's waterproof rating, lightweight design, and advanced targeting capabilities.
Instructions for safely opening and sealing the battery compartment to ensure water-tightness.
Guidance on correctly inserting the 9V battery, paying close attention to polarity.
Steps for turning the detector on and off, including visual and vibration indicators.
How the device signals a low battery state and its automatic shutdown procedure.
Instructions on how to hold the detector and interpret signals to find metal objects effectively.
Advice on detector handling, wrist strap use, battery selection, and practicing for better results.
Recommendations for places to search and essential rules for responsible metal detecting practices.
Instructions on how to clean the detector, especially after use in saltwater, to prevent corrosion.
An overview of the history and development of metal detecting technology through key milestones.
Explanation of the scientific principle behind metal detection using transmitter and receiver coils.
