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Page 9
About Trace Modes
Peak: In this mode, as the antenna crosses the cable, the Receiver speaker
volume increases to a maximum and the bar graph fills from both sides
toward the middle. As the antenna moves off the cable path, the speaker
volume decreases and the bar graph opens.
Peak with High-Expanded: While in Peak mode, press
to select
High-Expanded (the highest setting). Speaker response is cut off as the
antenna moves away from the cable.
Special Peak Mode: This mode will increase the signal sensitivity of the
Receiver when the signal is too weak for normal tracing. Use special attention
when using this mode because it is more susceptible to congestion than the
normal peak mode. To select Special Peak mode, press and hold
then press . While in this mode the Peak flag will flash.
Note:
While tracing cables in any mode, keep the Receiver handle in line with the
suspected cable path.
See section Initial Receiver Configuration (Page 3) to set the power
frequency to 50 Hz or 60 Hz. The Receiver can be tuned to locate 3
different harmonics of the chosen power frequency.
H50 Hz or H60 Hz (high harmonic): Best for general locating of
passive power.
L50 Hz or L60 Hz (low harmonic): Works best on primary power
cables. May be used when high harmonic is weak or erratic.
100 Hz or 120 Hz: For locating rectified AC power signals, often found
on pipelines using impressed current cathodic protection.
When a Power frequency is selected, the Hz symbol will flash, indicating
that alternate frequencies are available. To change the selected power
frequency, press and hold
then press to select the next Power
frequency.