User's Manual

2150GR Ground Penetrating Radar
054-139 - Rev. 1
24/36
5.3.4 Depth calibration
¾ Press the button to activate a window where you can write the
exact depth of the pipe or cable (if it is known) from another source such, as
technical maps or from opening manhole covers.
¾ Otherwise, press the
button to activate the following window,
Select the correct propagation speed by using the
and buttons to
adjust the white-line curve to the shape of the hyperbola.
!
NOTE
In both cases, you have to select one of the icons shown in Fig. 5-12 to confirm
the depth of the identified pipe. This operation can be repeated several times
during the acquisition: a symbol will appear at calibration points describing the
type of the characteristics of the detected pipe.
¾ Press the
button to finish the scan while remaining in the open survey.
¾ Press the
button to save the scan file onto the computer hard disk (in the
C:\2150GR\Mission directory); you can continue the same scan by moving the
trolley in the original direction.
¾ Press the button to finish the scan and go back to the main menu shown
in Fig. 5-6 to choose a new survey.