2.
Select the required power output and
frequency.
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3.
Place the transmitter over the utility with
the arrows running in line with the sus-
pected direction of the utility.
The internal aerial directly induces the
tracing signal onto the utility.
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4.
Set the locator to the required Signal
Transmitter frequency.
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5.
Using the Sweep Search process, search
the work area until either a signal is
detected or you are satisfied that the
area has been adequately tested.
Refer to "5.3 How to Conduct a Sweep
Trace a utility as required. Refer to "5.2
☞
Maintain a distance of 10 m/
33 ft from the transmitter to
avoid airborne signals and a
decline in the search process.
Reposition the transmitter if
required.
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5.4.2
Induction Mode: Nulling-Out Method
Use the Nulling-Out method to confirm that the locator and transmitter are on
the same utility or to identify hidden utilities in close proximity to each other.
☞
The transmitter and locator need to be set for use in induction mode.
Refer to " Standard process for Induction mode".
1.
Position the locator over the utility with
the highest numeric signal strength.
500
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Nulling-Out method
30
Applications
