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AVTM651070 Rev B Nov 2006
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Locating Cable or Pipe
Figure 13: Locating the Cable or Pipe
Make sure that the transmitter is solidly connected to the cable or pipe and
turned on. Move about 15 ft (4.6 m) away from the transmitter along the path.
For the inductive search method, move about 25 ft (7.6 m). Hold the receiver so
that you can see the LCD bar graph and controls easily. Make sure the receiver
and transmitter frequencies are both set for the same frequency.
Press the
MODE button to select the desired Peak or Null locating mode.
Peak Mode Locating
Figure 14: Determine Cable Path in Peak Mode
Keep the receiver approximately vertical. While you are walking along the path
of the target cable or pipe, with the receiver in the Peak mode, gently swing the
receiver across the path. When the receiver is directly above the cable or pipe, all
indicators will be at a maximum. You might occasionally rotate the receiver
slightly to confirm that you receive a maximum signal when you are directly over
and in line with the target cable (see Fig. 13). As you swing the receiver away
from the cable path, the digital strength readout, the relative strength bar graph,
and audio frequency response will all drop off. If you rotate the receiver about
Summary of Contents for L1070
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