8
Operation
Sweep the site holding the Loki receiver upright at your side. Continue the sweep
beyond the perimeter of the site. The presence of a buried pipe or cable will be
indicated by a tone emitted from the loudspeaker and a kick on the LCD’s bar graph.
Keep the Loki receiver blade vertical and move slowly backwards and forwards
over the suspected pipe/ cable. Reduce the sensitivity for a narrower response;
this will allow you to pinpoint the pipe or cable. With the Loki receiver use the meter
deflection to aid pinpointing. Maximum meter deflection and audible volume from
the speaker will indicate the position of the pipe or cable.
Determining a cable or pipe’s direction
When directly over the pipe/cable and with the sensitivity level set for a narrow
response, rotate the Loki receiver on its axis until the signal minimum is found.
The Loki receiver is directly in line with it when the bar graph and audio are at a
minimum.
Check for accuracy by varying the sensitivity control whilst rotating the Loki
receiver.
Trace the pipe/cable, keeping the Loki receiver vertical and moving it steadily from
side to side. Follow the line of the buried pipe or cable, marking it as required.
