Jaycar QP-2307, Руководство пользователя

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If the detector detects the item, it sounds a tone, an arrow and the
depth appear on the display below the target icon.
If the detector does not detect the item, make sure that the target
mode is set correctly for the type of metal you’re searching for. Also
make sure that you’re moving the search coil correctly.
Notes:

The detector responds with a 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 piece of junk metal.

False signals are usually broken or non-repeatable.
Adjusting SENSITIVITY
After you become familiar with how your detector works, it’s
important to fine tune the sensitivity to get a good effect. Press the
touch button SENS on the panel. Then press UP or Dn to increase
or decrease the sensitivity. The level on the segment will be
displayed from high to low position.
Note:
In order to detect the target deeply buried, you can adjust the SENS
to a high position. But not to set the level of SENS to Max position,
or the detector will receive interference and false signal from
broadcast antenna and other electronic lines. The detector will have
unstable arrow and irregular tone indications.
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