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Note: Never connect ground to
water pipe or other services in
the area. The return signal may
mislead the trace.
Remove
Near End
Ground
Suspected
Cable Path
Far End
Ground
Red Clip
to Shield
Black Clip to
Ground Rod
Transmitter
SET UP (USE ONE OF THREE METHODS)
Prepare the transmitter using one of the three following methods:
D Direct Connect
D Induction
D Dyna-Coupler
Go to Transmitter Operation to turn the unit on and apply tone to the cable.
Refer to Receiver Operation to prepare the receiver and locate the cable.
For passive power locating, go directly to Receiver Operation.
Note: For more detailed locating instructions and advanced locating techniques, ask your 3M
sales representative for a publication called Cable and Pipe Locating Techniques.
Transmitter Set Up:
D Direct Connect Method
CAUTION:
Check for stray voltages before attaching transmitter. Voltage higher than 240 volts (AC/DC)
damages equipment. Follow standard procedures for reducing voltage.
1. With the transmitter off, plug the direct connect cable into the transmitter front panel
jack.
2. Connect the black clip to the ground rod.
3. Place the ground rod in the earth as far from the near end connection as the leads will
allow, at a 90– degree angle to the suspected cable path.
4. Remove the near-end shield bond; connect the red clip to the shield.