2.
To confirm that the transmitter and the
locator are on the same utility, place the
signal transmitter upright and directly
over the utility.
☞
Either the speaker or the con-
nection socket should be on
the ground.
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3.
If the transmitter and the locater are on
the same utility, the Numeric Peak Indi-
cator on the locator significantly decrea-
ses.
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☞
The Numeric Peak Indicator on the locator can be used to correct the
position of the transmitter. Slightly move the transmitter left or right
over the utility until the locate screen of the locator shows the low-
est reading. It is possible to obtain the value “000”.
4.
Using the Sweep Search process, search
the work area to identify previously hid-
den utilities.
☞
Pinpoint and trace utilities until
you are satisfied that the area
has been adequately tested.
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5.4.3
Induction Mode: Parallel-Sweep Method
Use the Parallel-Sweep method to cover a large area or to verify the presence
of utilities before using the standard process for induction mode.
☞
Two people are required for this process: one for operating the loca-
tor and one for operating the transmitter.
☞
Set the transmitter and locator to 33 kHz.
1.
Person operating the transmitter:
Hold the transmitter close to the ground
with the arrows on the lid vertical and
with the lid facing the person who oper-
ates the locator.
Person operating the locator:
Position the locator at a minimum dis-
tance of 10 m/33 ft away from the trans-
mitter.
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Parallel-Sweep
method
Applications
31
