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5 Basic Operating Current Direction Function
Current Direction Function
This product supports the current direction and the phase indication function, has the
unique technology, can display the current direction and the phase of the tracking
signal, effectively improves the accuracy of the search path. For positive cable,
receiving the opportunity to indicate clearly the plus sign, and display of 45 ° to 45 °
+ - phase values; For reverse return signal, receiving the opportunity to indicate
clearly minus sign, and displays a 135 ° to 225 ° phase value.
This technique solves the problem of string signal in traditional path lookup. String of
signal there are two main reasons, one is near the cable is too close, the transmitter
current due to the effect of parasitic capacitance, directly coupled to the adjacent
cables, cause path search of illusion; Another reason is that the two parallel cable end
armor is grounded, causing a reverse flow signal on the non-target cable. These two
problems can be solved perfectly by using current direction technology.
When using this function, the transmitter is first connected to the armor of the target
cable. It is also possible to apply the coupling method when the ring resistance is less
than an hour. If the signal is applied correctly, both the transmitter and receiver are
selected with SS Low or SS High frequency, and the receiving opportunity shows the
direction indication and phase direction of the current.
In the known target cable, the phase is reset by the frequency key, and then the path is
searched normally.
Keep the nose direction always point to the remote receiver, for the target cable, phase
value does not have a mutation, should be within the range - 45 ° to 45 °, and
instructions. On return cable near the phase will be within the scope of the - 135 ° to
135 °, and display. The operator always follows the cable path that shows the positive
number, which can greatly improve the accuracy of the search.
