10
10
If the scale is in zero (at the left) the amplification must be
increased and vise versa. Otherwise, the amplification auto
selection can be used. If the signal value is too high, the
overload of receiver inputs can happen. The reading OL will
be displayed on the indicator in this case figure 2.6.
Reduce the amplification. If the overload is met for relatively
low signals, the strong side interference is possibly intruding.
Locate and remove the source of interference or switch to
another frequency.
At the display bottom the signal value in absolute units is
indicated in the mode of maximum. These units are
proportional to the signal level and do not depend on the
amplification settings. If the signal is low (less than 10 units),
the achieved results will not probably be correct. Shift the
generator connection point closer to the search area or
change the operation frequency.
In the central part of the screen in the mode of maximum the
arrows indicate the position of the buried utilities with
respect to the operator (at figure 2.7
–
to the right). Two
arrows are highlighted above the axis of buried utilities. At a
large distance from the axis (comparable to the laying depth)
the direction finding method stops working and the arrows
are not highlighted. The direction finding does not work in
the mode «SuperMax» as well.
To switch to the mode of minimum figure 2.8 depress the
mode selection button pos.7.
In this case three segments are highlighted at the scale, their
position indicates position of the buried utilities axis and
distance to it (at the figure the buried utilities is to the left).
The arrows are not used. The digital value corresponds to the
signal from the vertical antenna and shall be of minimum
value over the axis. Switching back to the mode of maximum
is conducted by the same button pos.7.
When moving away from the route axis for a significant
distance (about laying depth) as well as when the field is
heavily distorted or the level of interference is high the
Fig.2.6
Fig.2.7
Fig.2.8
Fig.2.9
Fig.2.5
Содержание IFL-1210
Страница 1: ......
Страница 36: ...CONTACT INFORMATION VITALDRIVECY VITALDRIVE NET SALESVD VITALDRIVE NET...