Beacon (sonde) location, Setup, Technique – Ditch Witch 250RT User Manual
Page 32: 250r/t operator’s manual

250R/T Operator’s Manual
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Beacon (Sonde) Location
CMW
Beacon (Sonde) Location
Trace metallic or non-metallic pipes or conduits by locating and following a beacon (sonde) signal.
Setup
To set up for beacon (sonde) location:
1.
Follow instructions for installing beacon (sonde) battery.
2.
Turn on receiver to ensure that beacon (sonde) is functioning properly.
3.
Attach beacon (sonde) to plumber’s snake or flex rod.
Technique
1.
Turn on receiver.
2.
Set antenna to peak and frequency to beacon (sonde) mode.
3.
Place beacon (sonde) into the pipe and move it down the pipe.
4.
To locate beacon (sonde), circle over its approximate location in the pipe.
5.
To identify the location of beacon (sonde), find the spot with the strongest signal response.
6.
Rotate the receiver to determine which
direction beacon (sonde) runs.
7.
Press the depth button.
8.
Continue to track beacon (sonde). Mark
pipe location with paint.
IMPORTANT: Large metal objects and other signals (such as railroad signals or overhead power lines)
will distort signal.
IMPORTANT: Receiver indicates the
best signal when handle is parallel
with and directly over the beacon
(sonde).
NOTICE: When estimating depth with
a beacon (sonde) in nonmetallic pipe,
depth shown will be to the center of
the beacon (sonde), not to the top of
the pipe.