Moving The Metal Detector When Searching For Objects; Isolating The Detected Object; Using Headphones - Renkforce MD 150 Notice D'emploi

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d) Moving the metal detector when searching for objects
• A professional movement pattern when locating metal requires practice to achieve success. Proceed as follows for
the best search results:
• Move the detection probe slowly in order to ensure that all small objects are detected.
e) Isolating the detected object
f) Using headphones
The control unit (13) contains a loudspeaker as well as a 3.5 mm headphone jack (10). The loudspeaker usually emits
the audible signals. When headphones are connected, the integrated loudspeaker is switched off.
When headphones are connected, move the VOLUME dial (6) anticlockwise as far as it will go before
switching the device on. Otherwise, there is a risk of damage to your hearing due to high volume.
• Connect your headphones to the 3.5 mm headphone jack (10) in the control unit (13).
• The external loudspeaker is switched off. Adjust the volume slowly and carefully to a safe level. You will now hear
the location/detection signals in the headphones only.
Connection of suitable headphones saves power and thus increases the life of the batteries. It is also easier
to hear the changes in signals when searching by ear.
• Move the detection probe in wavy lines across the target area. See the figure
to the left.
• Keep the detection probe (1) at a uniform height above the ground (approx.
3 - 5 cm). Ideally, the detection probe (1) should always move parallel to the
ground. Let the search width overlap somewhat (approx. 50 %).
• Never move the detection probe as if it were a pendulum. Pendulum
movements around a fixed point make a circular arc. In that case, the distances
to the ground change in an arc thereby changing the detection of the metal
detector. Only oscillate the detection probe (1) if you are searching in ground
depressions or dips, in order to remain parallel to the ground.
• Swinging or lifting the detection probe will result in incorrect detection results
(see the figure to the left).
• With a little practice, you can identify an object's precise location. If the detection
coil finds a hidden object, hold the detection probe (1) precisely above this position.
• Move the detection probe (1) forwards and backwards and from side to side in
increasingly small movements. Mark the route accordingly. Remember where the
detector generates a signal and systematically circle in on the location with ever
smaller movements. Repeat the whole process at an angle that crosses the initial
search direction. The intersection point of both lines, as in a hair cross, indicates the
highest signal intensity. It is the starting point for the signal from the located object.
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