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Frequently Asked Questions

1. I CANNOT GROUND BALANCE MY DEVICE. I TURN THE GROUND BALANCE KNOB TO MAXIMUM (10), DROP SENSITIVITY TO HALF-WAY BUT NO SUCCESS. WHY?
You cannot ground balance because the ground you are on has high iron mineralization. First, turn the GB knob to the ideal level 6 -7 and sensitivity to maximum. Then, turn the Iron Disc. to either FS (Factory Setting) or to maximum (10). If there is still ground noise, set the device to Mineral 1 mode. If the noise continues, try Mineral 2 or 3 modes respectively.

2. MY DEVICE GROUND BALANCES AT LEVEL 8. WHAT SHOULD I DO?
You can search this way but you should keep in mind that as you turn the ground balance setting towards the maximum (10), the device will start losing depth for some non-ferrous metals except for gold. If you are looking for non-ferrous metals such as silver, copper, bronze, brass etc. it is recommended that you leave the GB knob at the ideal level 6-7 and then gradually lower sensitivity to eliminate noise. When searching for gold or iron, the level of the GB setting will not affect depth so you can turn the GB knob towards the maximum if needed instead of lowering sensitivity.

3. ALTHOUGH THE IRON SWITCH IS OFF, THE DEVICE GIVES A WARNING TONE WHEN IT DETECTS A FERROUS METAL. WHY?
Even though we can eliminate iron with the iron switch, it is harder to eliminate certain ferrous metals. In such a case, turn the iron disc. knob to FS or 10 position. If the device is still producing a warning tone for ferrous-metals, try Mineral 1,2 or 3 modes respectively.

4. THE DEVICE RECEIVES A LOT OF NOISE DURING SEARCHING. WHAT SHOULD I DO?
If the ground balance is at the ideal level of 6-7, first try eliminating the noise by lowering the sensitivity. If you lose too much depth, it means that the ground you are on has high mineralization. In such a case, you can eliminate the noise by using the mineral modes (Mineral 1,2 or 3).

5. WHAT SHOULD I DO TO DETECT METALS AT DEPTH LIMITS?
Switching the signal audio boost to position3 will help boost the sound of weak signals received from small or deep metals making it easier for you to detect those uncertain targets. Signal audio boost does not increase depth. Please note that signal audio boost should be used on a temporary or as-needed basis because it will not only boost the target signal audio but it will also boost the loudness of ground noise and false signals. Therefore, it is recommended to keep the switch at position 1 and turn it to position 2 or 3 only when you want to verify a weak metal signal and then turn it off again.

6. THE VOLUME IS TOO HIGH. WHAT SHOULD I DO?
You can either decrease the volume using the volume knob located at the back of the device or use the headphones supplied with your device.

7.THERE IS NOISE - OTHER THAN TARGET SIGNAL OR INTERFERENCE-COMING FROM THE DEVICE. WHAT SHOULD I DO?
You may not have tightened the shaft completely during assembly. Check the shaft and the connection points.

8. MY DEVICE PRODUCES A HIGH, GOLD OR NON-FERROUS TONE FOR ALL METALS INCLUDING IRON. WHY?
The iron disc. may be turned on (between 1-4). Check the click noise indicating that you are off the FS (Factory Setting). Discrimination starts at about level 4 - 6. In other words, below this level, all metals including iron will produce a non-ferrous (high) tone.

9. AT WHAT SETTINGS WILL THE DEVICE WORK AT ITS BEST PERFORMANCE (DEPTH)?
Sensitivity should be at maximum, signal audio boost at 3 and iron disc. between 1-4 (no metal discrimination). At these settings, the device will work at its maximum depth.

10. WHAT ARE THE IDEAL SETTINGS WHEN SEARCHING IN HIGH MINERALIZATION AND WET BEACH SAND?
Ideal settings are iron switch off and iron disc. at FS or 10. If the device is still receiving noise, you may use one of the Mineral 1,2 or 3 modes.

11. HOW WILL I DECIDE WHETHER THE GROUND I AM ON HAS IRON MINERALIZATION OR NOT?
First, you will not be able to ground balance. Even if you lower sensitivity, the device will continue to receive ground noise. In such a case, check the iron switch and turn it on if it is off and listen to the ground noise. If the noise is a low ferrous tone we can say that the ground is iron mineralized.



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Nokta Metal Detectors reserves the right to change the design, specifications or accessories without notice and without any obligation or liability whatsoever.