The X-FINDER is a long-range locator designed for treasure hunting, specifically for detecting various metals, water, and voids. Manufactured by GDI - Gold Detectors International, it is described as a scientific instrument requiring careful adherence to its instruction manual for optimal operation and to gain experience with its use.
Function Description
The X-FINDER operates by detecting specific frequencies emitted by different elements. Users sweep the locator across the horizon to identify target signals. The device is designed to "lock" onto the target direction once a signal is detected. It features a "Ground Balance" function to reject interference from ground minerals, and a "Sensitivity Adjustment" feature to fine-tune its detection range and pinpoint targets. The device also includes a "Triangulation method" and a "Boxing method" for accurately centering on a target.
The locator offers multiple preset automatic frequency modes for different elements, as well as free modes for user-defined frequencies. Fine-tuning of frequencies is possible in 1 Hz or 100 Hz steps to calibrate with operator conductivity, soil conditions, and metal alloy types.
Important Technical Specifications
- Frequency Modes: 10 preset automatic frequency modes for Gold, Silver, Iron, Lead, Aluminum, Copper, Bronze, Diamonds, Water, and Cave/Voids.
- Free Modes: 3 user-defined, adjustable frequency modes (version 1.06).
- VLF Frequency Range: 0 - 20000 Hz.
- Frequency Tuning: Manual tuning with 1 Hz fine precision steps.
- Display: Backlight LCD (64 mm x 18 mm).
- Power On: Auto power on by attaching the handle.
- Ground Balance: Improved Auto Ground Balance to reject stronger minerals (version 1.06).
- Audio Signal: For antenna lock.
- Operating Temperature: -10 to 50 °C.
- Humidity: 95%.
- Weight:
- Main unit, batteries, antenna, handle: 550 grams.
- Inside carry case: 950 grams.
- Main unit (without antenna): 150 mm x 100 mm x 60 mm.
- Antenna: Telescopic antenna, 130 mm to 615 mm.
- Batteries: 4 x AA Alkaline batteries (rechargeable batteries can also be used).
- Battery Life: 12 hours.
- Battery Consumption: 20 mA (standby) / 50 mA (location).
- Battery Status: Audio/visual battery status test.
- Detection Distance: 300 - 2500 m (dependent upon target size and user skill).
- Detection Depth: Up to 6 m (dependent upon target size and user skill).
- Design/Assembly: Designed in USA by GDI, assembled in EU.
- Firmware: Version 3. Firmware v1.06 - May 2022.
Usage Features
- Assembly: The device comes with a main unit, telescopic antenna, handle, and 4 x AA batteries. Assembly involves positioning batteries, extending and screwing the antenna, and attaching the handle.
- Power On: The locator powers on automatically once the handle is attached. A low beep confirms key presses.
- Location Position: Hold the locator by the handle with the main unit parallel to the ground, at a right angle to the user's body, and the antenna slightly declined. Maintain the elbow close to the body without tightness. Practice is essential for correct handling and balance.
- Target Detection Procedure: Readings can be taken while standing still or by sweeping the locator left to right. Balancing the antenna is crucial; it should move freely without force from the user's fingers. Practice sweeping with the device powered off to achieve balance. Sample targets should be used for field practice, placed outdoors on moist soil. The antenna should lock onto the target direction.
- Familiarization and Effectiveness: New users need time to become familiar with handling. Initial tests with samples may show slow antenna reaction, which improves with practice. User conductivity is also important; individuals with high conductivity may operate the device successfully on the first attempt. A calm and relaxed user is required, along with good electrical contact to the ground (e.g., wearing leather shoes).
- Ground Balance: This function helps reject interference from ground minerals. It can be performed by sweeping the locator over the horizon or by placing mineral samples as "bait." Shortening the antenna can reduce sensitivity to interferences.
- Mode Selection: Pressing the MENU button repeatedly cycles through detection modes.
- GOLD [Au] 5000 Hz: Attracts natural gold minerals (4900–5100 Hz), man-made gold objects (18-22 karats at 5200-5300 Hz), and low karat jewelry (5400–5500 Hz). Multiple frequency checks are advised for gold.
- Fine Frequency Tuning: Arrow keys adjust frequencies in 1 Hz or 100 Hz steps. This allows calibration for operator conductivity, soil, and metal alloy. Holding UP and MENU keys resets all frequencies to starting values.
- Centering the Target:
- Triangulation Method: Move sideways 15 m from the first reading spot and scan again. The intersection of imaginary lines from the antenna at both spots indicates the target center.
- Boxing Method: Approach the target from all four sides, repeating the scanning procedure to narrow down the target box.
- Sensitivity Adjustment: Shortening the antenna reduces sensitivity, lowering detection range and eliminating small object detection. This helps stabilize the locator against small-scale interference and is useful for precise centering.
- Range Level Selection: Accessed by holding DOWN and MENU keys simultaneously. 10 levels are available, selectable with arrow keys. Higher levels drain batteries faster. Preset range is 9. Levels 1-3 are for proximity or small scan areas, while 8-10 are for large targets or areas.
- Interference Management:
- Magnetic Field Interference: Test by placing an iron rod near the signal center. If the signal is lost, it's magnetic interference.
- Solar Activity Interference: Intense sunlight can mask target signals or create false targets. Revisit the site at different times or at night.
- Ore Interference: Quartz crystal (mika), tin rust, and limestones can create harmonic frequencies that interfere with gold detection. Changing GOLD X-FINDER modes and frequencies helps validate real gold targets.
- Size Estimation: Position a known amount of gold samples sideways at 10 m. If the locator is attracted to the samples, the suspected target is smaller and should be ignored.
- Depth Determination: Target depth equals the radius of the energy circle projected on the ground surface. Targets deeper than 1 meter produce an energy sphere.
Maintenance Features
- Battery Status: The device provides visual and audio warnings for low battery voltage.
- 4.7 Volts: "Low Battery" message appears for 2 seconds, repeating every 10 seconds.
- 4.4 Volts: Sound is heard, and LCD backlight dims.
- 3 Volts: Backlight turns off to save battery.
- 2.7 Volts: Detector shuts down.
- Battery Removal: Always remove batteries when the X-FINDER is not in use.
- Warranty: Covered by a 2-year guarantee for parts and labor, excluding failing batteries, user error (falls, hits, moisture, tampering). Inspection is free; delivery charges are the customer's responsibility. Repairs outside warranty may incur a charge.
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