Velleman CS100N Manual Del Usuario página 6

• If you are using a coin, the detector detects it more easily if you hold it so a flat side (not
the edge) is parallel with the flat side of the search coil.
• If the detector detects the material, it sounds a tone and the pointer moves to the left (non-
ferrous) or to the right (ferrous) while the detector determines the type of metal it is
detecting.
• If the detector does not detect the material, check the battery power and verify that the
search coil is properly connected. Also, you might need to fine-tune the detector (see "Fine-
Tuning the Detector").
c. Outdoor testing and use
1. Find an area on the ground outside where there is no metal.
2. Place a sample of the material you want the detector to find (such as a gold ring or a coin) on
the ground. (If you are using a valuable metal such as gold to test the detector, mark the area
where you placed the item, to help you find it later. Do not place it in tall grass or weeds).
3. Rotate VOLUME about two-thirds clockwise.
4. Press and release the red button on the handle. Slowly rotate TUNE until the pointer is at or
near 0. You should barely hear a tone.
5. While holding the search coil level and about 1-2 inches above the ground, slowly move the
search coil over the area where you place the sample, sweeping the search coil in a side-to-
side motion [O].
6. Try finding other metal in the area.
When you find a metal item, wait a few seconds after the tone stops before continuing, to
allow the detector time to reset (or, press the red button on the handle to return the pointer to
the centre of the vu-meter.
d. Search coil sweeping hints:
• Never sweep the search coil as if it were a pendulum. Raising the search coil while sweeping or
at the end of a sweep causes false readings [P].
• Sweep slowly - hurrying makes you miss targets.
• If the detector detects the material, it sounds a tone and the pointer moves to the type of
material if found.
• If the detector does not detect the material, make sure you are moving the search coil
correctly.
Notes:
• The detector responds with a strong signal when it detects most valuable metal objects. If a
signal does not repeat after you sweep the search coil over the target a few times, the target
is probably junk metal.
• False signals can be caused by trashy ground, electrical interference or large irregular pieces of
junk metal. False signals are usually broken or non-repeatable.
e. Fine-tuning the detector
When you become familiar with how your detector works, fine-tune it to make it more selective in
what it finds.
Discrimination is the detector's ability to differentiate between types of metal. The detector's
DISCRIMINATION setting determines the distinction between different types of ferrous and non-
ferrous metals.
You can set DISCRIMINATION to minimum (fully anticlockwise), to maximum (fully clockwise), or
anywhere in between. As you set DISCRIMINATION to higher levels, the detector first does not
detect small pieces of silver paper, then thick foil, and finally metal objects like pull tabs from
aluminium cans.
Note: Each time you use the detector in a different area, you must adjust DISCRIMINATION.
Each search location presents new challenges.
f. False signals
Because your detector is extremely sensitive, trash-induced signals and other sources of
interference might cause signals that seem confusing. The key to handling these types of signals
is to dig for only those targets that emit a strong, repeatable signal. As you sweep the search coil
back and forth over the ground, learn to recognise the difference between signals that occur at
random and signals that are stable and repeatable.
To reduce false signals when searching very trashy ground, only scan a small area at a time using
slow, short overlapping sweeps.
g. Detection hints
No detector is 100 percent accurate. Various conditions influence metal detection. The detector's
reaction depends on a number of things:
28/07/2011
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