OKM eXp 6000, Руководство пользователя

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78 Field procedure
Even in the “Zig-Zag” scan mode the orientation of the probe must not be changed. That means you are
not allowed to turn yourself with the device and the probe at the end of the scanning path. Instead you
should walk backwards and continue scanning. Otherwise your obtained graphic includes red or blue
stripes as shown in figure 7.6. These stripes throughout a scan are commonly referred to as “Rotational
Errors”.
The eXp 6000 will give you an indication of the probe's horizontal orientation at all times during a scan.
It will display an image on the left bottom corner of the screen as shown in figure 7.7.
Please keep in mind that this orientation indication does not avoid rotational errors but informs you
about the inclination of the probe in relation to the ground surface. The symbol shown in figure 7.7
indicates a good orientation of the connected horizontal probe.
The next two sections describe the symbolism of the indication, that helps you to conduct scans of better
quality. Just experiment with the deviation before conducting a scan to get a feeling for the strength of
correction.
7.3.1.1 Super Sensor, Tunnel Sensor
The following table explains the symbolism of all vertical probes. There are images with 1 arrow (low
inclination) and 2 arrows (high inclination).
Low
inclination
High
inclination
Correction
You have to lower the probe (decrease the distance to the
ground).
OKM GmbH
www.okmmetaldetectors.com
Figure 7.7: Orientation indication of the connected probe
Orientation
indicator