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General| Brand | Minelab |
|---|---|
| Model | GPX-4000 |
| Category | Metal Detector |
| Language | English |
Configure initial switch settings for the metal detector.
Power on the metal detector using the rear control panel button.
Adjust the Threshold control to achieve an audible tone in headphones.
Use Auto Tune to minimize electrical interference by raising the coil.
Set Ground Balance to Tracking while moving coil to stabilize audio.
Fine-tune the Threshold for a smooth, faint audible level.
Adjusts the overall sensitivity level of the detector for varied conditions.
Features improved timings for enhanced performance in different ground conditions.
Offers Normal and Specific options for optimal ground balancing.
Inverts target response pitch for easier identification of deep targets.
Matches detector response to coil sweep speed to reduce noise.
Connects the search coil to the lower section of the detector shaft.
Joins the lower and upper sections of the detector shaft together.
Secures the detector handle onto the upper shaft.
Mounts the armrest components onto the upper shaft.
Proper grip and arm positioning for comfortable detector operation.
Setting the handle position for optimal grip and comfort.
Modifying shaft length for comfortable coil swing and balance.
Fitting the battery harness for maximum comfort during long detecting sessions.
Positioning the bungy cord clamp to relieve coil weight.
Instructions for charging the battery using a vehicle's accessory socket.
Details on charging the battery via a standard AC power outlet.
Step-by-step guide for conducting an automatic tuning process.
Techniques for optimal gold recovery including coil proximity and sweep speed.
Checks for power, connections, and volume settings when no sound is detected.
Steps to take when the threshold is present but no target signal is heard.
Solutions for persistent random noise, including tuning and coil settings.
Troubleshooting steps for a battery that fails to charge.
