![Leica Geosystems DD120 Series Скачать руководство пользователя страница 35](http://html.mh-extra.com/html/leica-geosystems/dd120-series/dd120-series_user-manual_1873523035.webp)
5.
Select the required frequency and power
output.
To indicate that the tracing signal rea-
ches a good level, the Power Output LED
indicator and the audible tone change
from pulsed to continuous.
13280_001
6.
Set the locator to the required Signal
Transmitter frequency.
0016797_001
7.
At a distance of 5 m (16 ft) to the con-
nection point, circle around the connec-
tion point.
0016810_001
8.
In the presence of a detectable utility,
the locator emits a tone and the signal
strength indicators rise and fall as you
pass over the utility.
Return to the position where the Locate
screen shows a peak reading. Mark the
position of a utility with marker paint,
pegs, flags or something similar.
☞
Never drive pegs into the
ground over the utility!
☞
To trace a specific utility, use
the pinpointing and tracing
methods. Refer to "5.1 How
to Pinpoint a Utility" and "5.2
500
0016811_001
☞
Pinpoint and trace utilities until you are satisfied that the area has
been adequately tested.
5.6
How to Use the Trace Rod
5.6.1
General Information
The Trace Rod is a utility tracer enabling small diameter non-conductive pipes,
ducts, conduit or drains to be traced. It can be used in Line mode to find the
route of the duct or Sonde mode to find a blockage.
Description
Applications
35