Display Elements: Passive Trace Mode
The screen elements in Passive Trace Mode are the same as
those seen in Active Line Trace mode.
Display Elements: Sonde Mode
Signal
Strength
Figure 6: Display Elements: Sonde Mode
In Sonde mode, the screen elements include several features
that are unique to Sonde locating.
•
| | Pipe Direction – Represents the approximate
direction of Sonde.
•
Sonde Icon – Appears when approaching the
location of a Sonde.
•
Equator – Represents the mid-line of the Sonde's
field perpendicular to the axis of the Poles.
•
Pole Icon – Represents the location of either of the
two Poles of the Sonde's dipole field.
Zoom Ring – Appears when the locator moves
•
close to a Pole.
The use of these features is described in the Active Line
Tracing, Passive Line Tracing, and Sonde Locating sections.
Default Frequencies
Currently available frequencies in default setting include:
Pipe Direction
•
Pole Icon
Zoom Ring
•
•
Equator
Sonde Icon
•
•
•
•
•
•
Ridge Tool Company
seekTech sR-20
Sonde Mode
512 Hz
Active Line Trace Mode:
128 Hz
1 kHz
8 kHz
33 kHz
Passive Line Trace Mode:
50 Hz (9
)
th
< 4 kHz
Radio Frequency
4 kHz—15 kHz (L)
> 15 kHz
(H)
Tools For The Professional
TM