Product Manual

9
LOCATING THE 512 Hz SONDE
Insert the sonde in the drain and locate it while it is still just
in view at the drain or duct entrance. Hold the locator verti-
cal directly over the sonde with the antenna in line with the
sonde. Adjust the locator sensitivity so the bar graph reads
between 60% and 80%. Push the sonde along the pipe to
the desired area.
1. Approach the peak of the signal working perpendicular
to the pipe. Move the locator backwards and forwards
and stop when the bar graph indicates a Peak.
2. Push the camera 4-6 ft. further, pinpoint, and mark the
position. Repeat this pinpoint procedure at similar in-
tervals along the line of the drain or duct until the sur-
vey is completed.
3. Most locators will automatically display the depth of a
located sonde providing the locator is correctly orient-