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Ab
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N
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Nu
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R
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N
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n
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C
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Often a user will find himself performing a locating job in a congested area in
which multiple lines in a confined space all carry the tracing signal in varying
amounts Common examples of this are: directly beneath an electrical panel;
beside a transformer with an inlet and multiple outlets; a phone pedestal; or
a soft copper manifold In such instances the receiver will not present an
accurate representation of the lines in question when using Triad LINE mode
In LINE mode the receiver displays a single line representation based on the
field sum of all the energized lines present; the receiver cannot graphically
display multiple lines carrying the same tracing signal
To isolate individual lines in a congested area use PEAK mode To operate
the receiver in PEAK mode follow the set up instructions in Chapter of this
manual REMEMBER: PEAK mode responds to the signal field directionally
which means that the signal response is optimum as the line passes
underneath the pointer head from the rear to the front In PEAK mode the
receiver is able to sharply distinguish the side by side lines As you pass the
pointer head over the individual lines you will notice the double arrow
peaking bar and the ANR increasing and decreasing The bar response is
relative because its purpose is to aid the user in determining the maximum
relative response over a particular line The ANR is absolute; its value directly
corresponds to the actual amount of signal being received Because the ANR
is absolute this number can aid in identifying the target line Usually but
not always the target line is the one carrying the greatest amount of signal
So the user typically can not only isolate all the lines in a manifold but also
determine the relative amounts of current that they are carrying all without
even touching a gain control For more information about using PEAK mode
to trace lines refer to section A of this appendix
A
A
A
A F
F
F
FIIIIN
N
N
NA
A
A
ALL
L
L C
C
C
CA
A
A
AU
U
U
UT
T
T
TIIIIO
O
O
ON
N
N
N: Because parameters can significantly vary from one
locating job to the next the user should understand that the highest ANR
does not always correspond to the target line Lines carrying the signal of
interest may be of differing depths and continuities Lines can be electrically
linked underground in ways that may not be conventional or anticipated
The user must always be the final interpreter of the results obtained during
any given locating job and the responsibility of forming appropriate
conclusions falls to the user Nonetheless the
Receiver has been
designed to make this process of interpretation easier
