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Blackdog X-Treme is a professional metal detector and works on the principle of induction pulses. It is used to search for metals at great depths and can work with different types of coils: 13×13”, 1 x 1m.
|– TECHNOLOGY – PI|
|– VARIABLE FREQUENCY 95 – 125Hz|
|– HEADPHONE CONNECTOR – 6.35mm|
|– BATTERY CHARGING CONNECTOR – 2.5mm|
|– COIL CONNECTOR – INDUSTRIAL TYPE|
|– BATTERY – LITHIUM ION 16.8V/ 3400mA|
|– AUTONOMY – 20/40 HOURS|
|– CHARGING TIME – 3 HOURS|
|– MAXIMUM CONSUMPTION – 170mA|
|SMART CHARGER -16.8V/2A|
|MEASURES – 150X100X60mm|
|OPTIONAL: COIL – 1X1 FRAME or 13×13 inch Monoloop coil|
|OPTIONAL: CARBON FIBER TELESCOPIC CRUTCH|
|DETECTION DEPTH – UP TO 8 METERS|
DELAY : Helps to eliminate small metallic objects located at a shallow depth and also to cancel the mineralization of the ground. The lower the value, the more depth is achieved. By increasing the value, unwanted objects such as bits of aluminum foil, bits of lead, or other metals can be rejected, but the depth of the detector may be affected.
TX-BOOST: This control regulates the transmission pulse width. If it is set to a high value, the depth is greater, but the current consumption increases. For searches in areas with a lot of mineralization, it is recommended to decrease the value, to avoid false signals.
FREQ: It means the frequency control, which can range between the values of 95Hz-125Hz. This control helps eliminate electrical interference if searches are performed near power lines or other sources of interference. For optimum frequency adjustment, with the help of the GAIN setting , we look for a slight threshold level. If we notice that the threshold tone has a lot of variation, we slowly turn the FREQ adjustment control to the right or left until we get the sharpest possible threshold tone. Level 3 is recommended.
VOLUME: The volume control of the device is used to regulate the intensity of the sound emitted by the speaker. This control does not affect the depth of the device at all.
GAIN: gain or sensitivity control of the device.
GROUND: With this setting we eliminate the effects of ground mineralization.
RESET: This button is used to reset the detector in the event of a mismatch. It is recommended to press it for 2-3 seconds after modifying any parameter of the detector.
USE OF THE DETECTOR;
Assemble the frame coil as shown in figures 1 and 2.
Connect the coil to the detector through the connector.
Hang the detector around your neck and stand inside the box.
Set the potentiometers to the following positions:
DELAY in position “0”
GROUND in position “10”
TX-BOOST in position “10”
FREQ in position “3”
GAIN at position “10”
VOLUME in position “5”
Place the box on a clean floor free of metal objects. Turn on the detector with the POWER button in the ON position. The detector will make a sound, then press and hold the RESET button for 3 seconds and the detector should go silent. If the detector continues to emit any sound, press the RESET button again , until the detector remains silent. With these settings the detector would be ready for the search.
Grab the frame straps with both hands and start walking slowly. If the detector passes over a metal object, it will beep and the DEPTH bar will light up progressively depending on the depth and size of the detected object. The detector has the ability to discriminate small metallic objects located on the surface.
If the tone of the signal rises and falls rapidly in a small area, this means that the object is small and has a depth of up to 50 cm.
When the signal tone increases in a medium-sized area, and after that it slowly decreases again, this means that a medium-sized object is found at a depth of up to 3 meters, as shown in Fig.3.
When the signal tone increases over a large-sized area, and after that slowly decreases again, it means that a medium-sized object is found at a depth of up to 8 meters, as shown in Fig.4.
If the search is carried out in highly mineralized terrain, you must place the GROUND potentiometer in position “9” to avoid the effects of mineralization. If the ground is too mineralized, you can also reduce the effects by increasing the DELAY value and reducing the TX-BOOST and GAIN values .
If you search near power lines, and the detector is affected by interference, with the help of the FREQ control you can minimize these effects.
The detector is equipped with a very powerful 3400mAh LI-ION battery, which has an autonomy between 15 and 30 hours of searching, depending on the numerical position of the TX-BOOST button . You should charge the detector, when the battery level LED lights up. The approximate charging time is 3-4 hours, until the charger light turns green. The supplied charger is automatic and protected.
Never try to charge the batteries with any other type of charger, other than the one supplied by the manufacturer, because the detector will lose its warranty.
A damp cotton cloth is recommended for cleaning the detector. It is not recommended to use chemical products, which may damage the aesthetics of the device and its accessories.
Never use the detector inside a house where there are metallic objects.
Do not handle the detector inside. Electrocution hazard 500 Volts.
Do not turn on the detector if the frame coil is not deployed, because the detector will be damaged. Do not submerge the frame coil under water, as it is not waterproof.