EZiSYSTEM, How to Use the Sonde 65
3. Depth indication (refer to Sonde Depth in How to Use the Locator section)
Depth indication can be used with a suitable depth locator. The locator must be posi-
tioned directly over the Sonde and in line with it (rotate the locator on its axis to find
the highest reading). Press and hold the i Button for 2 seconds. The depth of the Sonde
will be displayed in the depth readout window and the Sonde mode icon will be visible
beneath the display.
• For ease and convenience mark the ground every 3 to 4 metres.
• For ease of use practice the process above ground
Tracing a "walk through"
sewer
If a “walk through” sewer is being
traced, another method is to place the
Sonde vertically, for example to
pinpoint a buried manhole. The
Locator will pick up a pool of signal
with a null point at the centre. This is
an accurate method, but it is essential
to ensure the Sonde is vertical.
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