7
To use the passive mode, turn on the Pro871C wand and select
the passive mode using the switch marked
“60Hz”. This switches
the receiver into an unfiltered mode that detects the electrical field
generated by 50Hz or 60Hz electrical current. Once the Pro871R
wand is on, simply search an area until you hear a buzzing sound.
There is no beeping signal as the transmitter is not used. Follow
the buzzing sound in either null or peak mode, both will work, to
track the cable. You will not be able to use passive mode if there
is no live electrical current present on the cable.
How to determine depth -
Find the null over the wire path and
mark it. Then place the tip of the receiver on the ground at the
mark. Without lifting the receiver tip from the ground, lower the
top of the receiver to approximately a 45 degree angle and slowly
walk the receiver away from the wire path until you reacquire the
null. The distance between the wire path and the newly
established null is the approximate depth of the target.
Helpful Hints
– Batteries are the number one reason users call
for technical support. Before assuming that there is something
wrong with the unit, replace the batteries. It will save you time,
money, and embarrassment.
Ground condition makes a huge difference in the performance of
cable locators. Basically a path is being created from the
transmitter, through the cable, out through the ground and back to
the ground stake. Any mistake in any of these links will cause the
locator to not work properly. Be sure your ground stake is secure
and in the dirt and that the transmitter is connected to the cable
that you want to track.
In addition, the more conductive the soil, the better. As moisture is
a good conductor, the wetter the better. Dry sandy desert soil is
not a good transmitter of signal and you will experience better
results in moist soil. If you are in the desert, a little water at the
ground stake may help.
The best way to really learn the Pro871C is to use it. Set up a test
site at your home or office and get used to how it works. There is
no substitute for experience in the art of locating. Good luck!
