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4. The position of the target can be precisely located by setting the
manual mode on the receiver and selecting a suitable sensitivity.
3.1.4 Location of interruptions in the line using two emitters
When locating a interruption in the line using an emitter that feeds the end of a
conductor, the location of the interruptions may not be carried out accurately in
case bad conditions occur due to interference in the field.
The drawbacks described above can be easily avoided by using two emitters
(one at each end) for the detection of the interruption in the line.
In this example, a different line code is set for each transmitter, eg F code in
one and C code in the other. (The second issuer is not included and must be
purchased separately.)
Preconditions:
* The circuit current must not be active.
* All lines that are not being used must be connected to auxiliary ground as
shown in Fig. 3-1-4.
* Proceed as described in the sample application.
If the emitters are connected according to Fig. 3-1-4, the receiver will indicate
C on the left side of the line break. If the receiver goes beyond the position of
the break to the right, it will show F. If you are directly above the break, no
line of code is displayed, due to the overlap of both emitter signals.
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