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3) Depth correction (Calibration)
Ⅰ)
Set-up
From a position of 3m from the boring head, place the locator as indicated in the diagram below.
Ⅱ)
Starting calibration
Turn the locator ON and begin depth calibration.
Ⅲ)
When the calibration is finishes with no errors
Ⅳ) In the case of an error
3 m
b) Place the boring head so that the axis of the locator
and the axis of the boring head are parallel to each other
a) Insert the probe inside the boring head
a) Select “Calibration” from
the menu and press and
hold MODE for 1 second.
c) Depth calibration will begin.
b) Press the
locate (▲) button.
・
After receiving a display screen like the diagram to the left, return to
standard measurement mode.
・
The measurement value should be displayed as 2.82m: the initial 3m
minus the distance from the ground to the coil (18cm).
・
When measuring a real drill under the ground, 3m will be displayed
as 3.00m.
An error message will be displayed when the signal cannot be received normally.
Please perform the following checks:
・
Is the batteries in the probe
・
That the batteries are aligned properly in the probe
・
The probe selected on the locator matches the probe being used
2.82m O K
3m
--- Finished ---
ERROR
3m
***NO SIGNAL***
3m
--- STEP1 ---
Do not move the locator until
this step is finished.
