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4 Using the vLoc3-Pro
● Turn the transmitter and receiver on, and set both to:
ο SD-USA – if in North America or any territory where the power system is 60Hz.
ο SD-EUR – if in Europe or any territory where the power system is 50Hz.
● Locate the cable. The receiver may, or may not be ashing the “SD” Forward/Back arrows icon.
● A ashing SD arrow indicates that the unit needs to be synchronized with the transmitter. Even if the arrow is not ashing it
is always good practice to synchronize the system at the beginning of a survey to ensure reliable results and to maximize
the distance to the next synchronization point.
● To synchronize the receiver to the transmitter at the beginning of a survey, pinpoint the line very close to the transmitter – be
sure that it is the correct line. Then, standing facing away from where the transmitter is attached, press the “i” pushbutton.
The unit will now display the information screen showing the depth of line, signal current and a “SD” icon positioned over
the return pushbutton. Pressing the return pushbutton will synchronize the system and return the unit to the locate screen.
The green forward arrow will light and not be ashing indicating the receiver is locked onto the signal. The system is now
synchronized.
Log 0
0.78m 233mA
50°42′59.90570′′N
3°26′35.54358′′W
27.50m
0
SD
62.6
SD-USA25dB
● Proceed to locate, trace, pinpoint as required ensuring at all times the green forward arrow is illuminated. If at any time the
red backward arrow illuminates, this indicates that the wrong line is being located.
62.6
SD-USA25dB
62.6
SD-USA25dB
● At some point, you may nd that the SD arrow starts to ash – this is indicating that synchronization with the transmitter has
deteriorated and a reset is required.
62.6
SD-USA25dB
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