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Sensitivity consists of 3 steps:
Max:
The sensitivity step where the depth of the device is maximum.
When the device is used with this step, it can easily detect even small
objects from a deep distance. As this step provides the device with
excessive sensitivity and power; the device will be increasingly affected
from the earth and will become more difficult to use. Therefore, the
ground setting should be made in the best manner possible. When the
sensitivity setting is set to “Max”, the ground setting must be done again.
Between Min2 - Max:
It has a high perception capacity. It is preferred for
types of ground, for which “Max” step cannot be used. It has perception
depth that is lower than “Max” but it is less affected by the structure of
soil as compared to the "Max” step. And when it is turned from Min2
towards Max level, sensitivity level will continue to rise.
Min 1:
The lowest level of sensitivity. At this level, the device is least
affected from the soil. Soil setting may be made easily but at this level,
the device may have difficulties in detecting small objects.
This should
be used to detect the large metals or large holes.
WHAT IS GROUND SETTING AND HOW IT IS DONE?
In our country land formation and soil composition vary in relation to
regions. In some regions the composition may vary frequently (Sand,
lime, red earth with dense mineral content, rocky formation, etc.).
These variations in soil composition mislead the detector and cause
perception as metal or void. Therefore first we have to launch the soil
characteristics of the region to the detector’s system. Launching these
data will block all misleading effects that may come up from the ground;
these will be perceived as misleading signals from the ground, and thus
eliminated.
Ground setting is one of the most important provisions of exploration.
Therefore the operator should be a keen observer and should be able to
detect variations in the ground. He has to observe soil compositions
continuously to be able to make ground adjustment again in case
misleading signals the device will perceive results from variations in soil
composition.
Ground setting is made for the device to recognize the soil and not to be
affected by it. Thus the device is not affected from metal or void
reflections of varying soil compositions. If ground setting is not properly
Содержание JEOTECH
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