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3. Place the jaws of the inductive clamp around the
target conductor, ensuring that they close com-
pletely. The LEDs on the clamp are lit when the jaws
are closed and the ST-33Q+ is powered on.
4. Press the Power key . The ST-33Q+ automatical-
ly switches to Inductive Clamp Mode, disables the
cable leads, and displays the word “Clamp” on the
screen.
Note: In Inductive Clamp Mode, the ST-33Q+ de-
faults to 50 percent power level to conserve bat-
tery power.
5. Select and set the same frequency on both the re-
ceiver and transmitter.
6. Check the connections and adjust the current as
needed during the locate.
7. When finished, press the Power key to power off the
ST-33Q+ before disconnecting the inductive clamp.
Inductive Mode
Disconnect the lead clips from any external conductors
before switching the ST-33Q+ to Inductive Mode. If the
lead clips are connected to an external conductor and
the ST-33Q+ is switched to Inductive Mode, a warning
appears and operator override is required.
Do not use clips and leads in Inductive Mode. The ST-
33Q+ automatically sets the frequency to 33 kHz the first
time Inductive Mode is used. After the first use, the ST-
33Q+ will automatically use the frequency last used in
Inductive Mode. The two frequencies available in Induc-
tive Mode are 8 kHz and 33 kHz.
NOTICE
Do not place two ST-33Q+s in Inductive
Mode with the power on within 3 m [10 ft]
of each other. The output of each
ST-33Q+ can overload the electronics
and damage one or both units.
Use the ST-33Q+ in Inductive Mode by following these
steps:
1. Place the ST-33Q+ so the red orientation arrows lo-
cated on top of the ST-33Q+ are aligned with the
target conductor.
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