Bedienungsanleitung Nokta Makro Gold Kruzer (Seite 14 von 32) (Englisch)

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Ground balance can be performed in three ways with the Gold Kruzer: Automatic, Manual

and Tracking.

When the GB button is pushed while performing automatic or manual ground balance,

the device will switch to the General Search (GEN) mode automatically on the background

without any indication to the user, regardless of the selected search mode.

Upon completion of ground balance, current ground balance value is shown in the Ground

Balance (GB) box on the right side of the display.

Automatic Ground Balance

Automatic ground balance is performed as follows in all search modes:

1) Find a spot where there is no metal.

2) Push and hold the GB button down (GROUND BALANCE value and “Pump Coil” warning

message will be shown on display) and start pumping the search coil up and down from

about 15-20 cm (~6''- 8'') above the ground down to 3 cm (~1'') off the ground with smooth

movements and keeping it parallel to the ground.

3) Continue until a beep, indicating the completion of ground balance, is heard. Based

on ground conditions, it usually takes about 2-4 pumps for the ground balance to be

completed.

4) Upon completion of the ground balance, ground balance value is shown on the display

(GB). The device continues to ground balance and produce a beep sound as long as you

keep the GB button pushed down and pump the coil. In order to ensure that the ground

balance is proper, ground balance at least 2-3 times and check the ground balance values

on the display. In general, the difference between the values shall not be higher than 1-2

numbers.

5) If you cannot ground balance, in other words, if no beep sound is produced, it means that

either the ground is too conductive or not mineralized or there is a target right below the

search coil. In such a case, retry ground balance at a different spot. If you still cannot ground

balance, read the section titled ''Important Details Concerning Ground Balance''.

When the ground balance button is released, the device continues to operate in the GEN

mode for a short period of time and the ground balance value stays on display. This makes

it possible to manually fine tune the automatic ground balance value. Refer to the following

"Manual Ground Balance" section for further information regarding this feature. If this is

not desired, press the PP button once to return to the main screen.

NOTE: If the iSAT value is set high, the device may not auto ground balance. In such a case,

lower the iSAT value first. After ground balancing, set the iSAT back to its original position.

Manual Ground Balance

Allows you to manually modify the ground balance value. It is not preferred mostly because

it takes time. However, it is the preferred option in cases where a successful ground balance

cannot be performed using other methods or minor corrections are required to the

automatic balance.

Gold Kruzer is designed to allow for automatic ground balancing conveniently on any type

of ground. Therefore, it is recommended to perform automatic ground balance upon start

up. However, the ground may not be suitable for automatic ground balancing in some cases

and the device cannot ground balance on such grounds. For instance, wet beach sand, soils

containing alkali or salty water, trashy sites, ploughed fields, highly mineralized grounds

and grounds with very low mineralization are not suitable for automatic ground balance.

In such terrains, try manual ground balancing. However, manual ground balance requires a

skill which develops over time through practice.

To perform manual ground balance:

1) Find a clear spot without metals and switch the device to the GEN mode.

2) You need to listen to the sounds coming from the ground in order to perform manual

ground balance. Pump the search coil up and down from about 15-20 cm (~6''- 8'') above

the ground down to 3 cm (~1'') off the ground with smooth movements and keeping it

parallel to the ground.

If the sound gets higher when lifting off the search coil above the ground, the ground

balance value is too low, in other words, the effect from the ground is negative and the

ground balance value needs to be increased by using the ( + ) button. On the other hand,

if the sound gets higher when lowering the search coil to the ground, the ground balance

value is too high, in other words, the effect from the ground is positive and the ground

balance value needs to decreased by using the ( - ) button.

3) Push the ground balance button once and release it. The ground balance value will be

shown on the display and remain there for a moment. You can return to the ground balance

screen by pushing the ground balance button if the screen switches.

Manual ground balance functions within the

range of 0-99.80 However, each value covers

5 steps used for fine tuning within itself and

these steps are indicated as multiples of 20 in

the Ground Balance window (GB). For example,

ground balance value shown on the side is 70.80.

Press ( + ) or ( - ) to increase or decrease the

ground balance value, respectively. If the key is

pressed once at a time, the values count one by

one and if it is held down, the values will change

quickly.

4) Repeat the above procedure until the sound heard from the ground is eliminated.

The sound may not be eliminated completely in some areas. In these cases, listen to the

sounds produced when moving the search coil towards and away from the ground to check

if the ground balance is correct. If there is no difference between the two sounds then the

ground balance is set properly.

The device will return to the main screen automatically after a short period of time upon

completion of ground balance. To return to the main screen instantly, just press the PP

button once.

IMPORTANT! Experienced detectorists adjust the ground balance setting to a slightly

positive response (weak but audible sound is produced when moving the search coil closer

to ground). This method may produce favorable results for experienced users in certain

fields where small targets are searched for.

Ground Tracking (TRACK)

In this option, the user does not need to make any adjustments. TRACK feature is activated

from the SETTINGS menu by switching it to 01 position. The word ''Tracking'' is displayed

at the bottom of the GB window. The device updates the ground balance automatically as

long as the search coil is swung over the ground and shows the ground balance value in the

GB window. It does not provide any feedback to the user (like the beep sound in automatic

ground balance).

While tracking is active, the device can initially produce a loud signal when it detects a

different ground structure (for instance a mineral rock) or a target. In this case, swing the

search coil over the spot where the device produces the signal . If the sound remains the

same and the device shows an ID, it is possibly a target. If the sound attenuates too much

or is lost after a few swings, it means that the device has produced a signal for the different

ground structure or a stone.

NOTE: It is recommended that you use tracking in the General Search mode (GEN) and not

in other modes.

Tracking is suitable for use in areas where different soil structures are present within the

same land or in fields where mineralized rocks are scattered widely apart. If you use ground

tracking in areas where hot rocks are intensely present, the device may not be able to

eliminate these highly mineralized rocks or you may miss the smaller or deeper metals.

IMPORTANT! Ensure that tracking is off during air tests. Otherwise, the device will attempt

to perform ground balance on the target and the depth will be reduced.

Ground Balance Value

Ground balance value provides information about the ground you are searching on. Some

typical ground types are as follows:

0-25 Wet salt water or wet alkali soils

25-50 Wet salt water and wet alkali soils covered with dry layers

50-70 Regular, low-quality soils

70-90 Highly magnetic soils, magnetite or maghemite and similar highly mineralized soils,

black sand

Important Details Concerning Ground Balance

1) Upon start up, the ground balance value is set to 90. The device can perform ground

balance automatically within the range of 20-99.80 in all modes.

2) If the ground mineralization is too low, automatic ground balance may fail to work in other

modes. In such a case, try manual ground balancing.

3) You can test the accuracy of the ground balance with the pinpoint mode. After ground

balancing, if you receive no sound or a weak one when you move the search coil closer to

the ground in the pinpoint mode, then the ground balance is successful. If the sound gets

louder when you move the search coil closer to the ground, then the ground balance is not

successful. In this case, simply change your location. If ground balance is not possible despite

these efforts, you should continue your search without performing ground balance.

You cannot search in the General Search (GEN) mode without ground balancing. You need

to use one of the other modes and increase the DISC. value until the noise is eliminated.

4) Once the ground balance is set, it will remain satisfactory for a long time in most areas.

However, if you encounter an excavated, backfilled or geologically composite soil structure,

a ground balance should be performed again to adapt to the varying soil structure.

5) In some cases where the iSAT value is set high, the device may not be able to ground

balance automatically. In such a case, first lower the iSAT and after ground balancing switch

it back to its previous position.

GROUND BALANCE

Nokta Makro Gold Kruzer Seite 14

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