7
MAGNETIC FIELD INTERFERENCE
To confirm that the target is not magnetic field, stick an iron rod near the signal center about 45 cm long.
After an hour or so take a reading from far away and start moving towards the signal center. If the signal
is lost it is due to magnetic field interference on that area, otherwise if readings continue the target is real.
Maybe the signal center is displaced however by the interference. For more accurate rejection of magnetic
fields and small sized targets use the ELIMINATOR e120 B by GDI over the signal line already discovered.
SOLAR ACTIVITY INTERFERENCE
When scanning under intense sunlight, in the heat and in noon during the summertime, the strong sun
radiation may cover and mask fully the target signal. Another case is that false targets are show up
in varying depths. It is necessary to revisit the place in other day times or at night and double check
to confirm the target is true.
ORE INTERFERENCE
The ore with the closest frequency match to the gold is quartz crystal, also known as mika. Also the tin rust
and some limestones create harmonic frequencies that interfere also with the scanning gold frequency.
In a few cases, parallel signal are received that give the false impression of many targets lying on the same
spot. After the ore is removed from the ground these readings fade out. For validation change in random
the GOLD X-FINDER modes and double check using different frequencies. A real gold target should produce
signal only to the gold frequency and not at all frequencies.
SIZE ESTIMATION
Once the target signal has been centered over a spot, position sideways at 10 m. distance a good amount
of gold, for example coins inside a net. Let the samples over the ground surface or let them half buried.
Water the samples and stand in between the samples and the suspected target. If the locator is attracted
to the samples the target is less in quantity and therefore has to be ignored.
DEPTH DETERMINATION
The target energy projects to the ground surface as a circle. The deeper the target the larger the energy
circle becomes. Target depth equals the circle radius. For example, a circle with a diameter 2 m., indicates
a target at 1 m. depth. The center of the energy sphere may not coincide with the actual target center,
since the radiation in some cases (on large gold deposits, old buried targets and targets at depth) does not
project vertically on the surface. When using a metal detector to verify the target position, an area at least
15 m. x 15 m. or larger has to be searched therefore do not limit the detection only to the energy circle.
Targets at depths less than 1 meter do not produce energy sphere.
BATTERY STATUS
Use only alkaline batteries. Rechargeable batteries can also be used.
When battery voltage falls to 4,7 Volts the message
Low Battery
comes at the bottom of the screen for 2 seconds and repeats
every 10 secs. With batteries falling lower at 4,4 Volts a sound
is heard and the LCD backlight dims when the message appears.
At 3 Volts backlight goes off to save the battery.
To this point the user should stop the detection. Lastly at 2,7 volts the detector shuts down.
The intervals between those events depend to the temperature and the detection or not of targets.
Always remove the batteries when the X-FINDER Is not in use.
