GOLDEN MASK Golden Mask Deep Hunter Mobile ST Bedienungsanleitung

Instruction manual

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

Golden Mask Deep Hunter Mobile ST is a professional treasure and

relic hunting handheld metal detector designed primarily to detect

deeply buried metal objects.

Golden Mask Deep Hunter Mobile ST is an advanced pulse induction

metal detector, with full range “flash automatic ground exclusion

balance”, “Smart TUNE”, “reject control”and “discriminate”

between ferrous and non-ferrous metals. Its powerful performance is

based on the very high quality state-of-the-art sophisticated new

electronics.

Golden Mask Deep Hunter Mobile ST can significantly reduce the

negative effects of power line and other electrical interference.

Like well known Golden Mask Deep Hunter pulse detectors, this

detector offers remarkable stability, sensitivity and accuracy that is

achieved with the use of very simple and intuitive settings and especially

new "Smart TUNE" feature, which make this detector the best machine

in its class.

Pulse induction is based on the processing of short and intensive

magnetic pulses which are emitted by means of a search coil. Those

magnetic pulses produce electrical eddy currents in conducting metallic

objects. Eddy currents will be stored in a metallic object around of the

search coil but will quickly die away after the magnetic pulse emitted by

the search coil has ended. The eddy currents and their time delay are

read by the receiving phase by the search coil which now acts as a

receiving coil. The received signal is amplified to drive an audio

response via built-in loudspeaker or headphones when a metallic object

is within the field of the search coil.

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

1.Golden Mask Deep Hunter Mobile ST Set

1.1 Electronics Unit

The electronic unit is fixed on the handle of the search antenna carrying

shaft.

The detector is powered by 12.0V/2700 mAh NiMH battery pack of 10

pcs size “AA” cells placed in a holder into the battery block, also fixed

on the shaft.

The continuous use of the detector is about 8 hours per one battery

charge.

If you find a defect of the detector, please immediately contact the

dealer from whom you was purchased it and inform him of the

problem.

Never attempt to disassemble and/or repair the electronic unit.

Your disassembly attempts will void the warranty!

1.2 Search Coils

The detector is delivered with a variety of coils as desired by the

customer. All search coils and frames, manufactured to work with

Golden Mask pulse detectors, are fully compatible with Golden Mask

Deep Hunter Mobile ST.

The use of self-made or other brands of coils can damage the

Electronics Unit and will void the warranty.

The main search coil of the Golden Mask Deep Hunter Mobile ST is

an elliptical coil 38x58 cm. It allows to be searching for both small

objects (for example - coins) and larger objects (relics) at a very great

depth using only this coil.

Another small size coils are available too. They are suitable for areas

where the movement of the big coil is difficult or impossible, as well as

in residential areas (walls, floors and ceilings), and on steeply sloped

terrain.

1.3 Golden Mask smart battery charger

1.4 This Instruction Manual

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

2.Operating Principle - high-frequency pulse induction (advanced

version) with full range flash automatic ground balance, and

multichannel signal processing to identify between ferrous and non-

ferrous metals.

3.Settings - Golden Mask Deep Hunter Mobile ST has extremely

simple and intuitive settings, that include 4 knobs (of these: 3 with

switching function - one for switching-on/off the unit, 1 for the special

“Silent”mode and 1 for the switching-on/of of “REJECT”control) 1

button for “SMART TUNE” and 1 special meter indicator.

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

“VOLUME ON/Off” -knob to switch “ON/Off” the detector and adjusting

the level of sound.

“GAIN”- knob to adjust the sensitivity of the detector;

“AUDIO - Silent”- knob for adjusting the “ticking” frequency in absence

of metal within the area of the search antenna; In positions “AUDIO”

the detector is in its core search mode. This is strictly individual

adjustment and relates exclusively to the individual auditory

characteristics of the operator. It is best to set a low “ticking” rate in the

absence of metals near the coil. It does not affect the performance of

the detector and is designed solely to provide a better detection of weak

signals.

When “AUDIO - Silent” is in position “Silent”the detector is switched

to silent mode. With this mode the detector does not emit a “ticking”

sound during searches. The presence of a metal object in the area of

the coil is indicated by a low pitch tone (for ferrous metals) or high

pitch tone (non-ferrous metals). In this mode, the detector's sensitivity

is lower, but it is suitable for work in conditions of heterogeneous and/or

highly mineralized soil, including the presence of ceramic residues

and/or small metal objects that are not desired for detection.

The “REJECT”knob is used for rejecting undesirable small pieces of

metal and noise reduction in extremely mineralized soils. A higher value

rejects more objects. It can be switched “Off” if this function is not

required for the specific use of the detector.

“SMART TUNE” –this button is used for fast tune of the machine. It

pressing for a 1 second make the detector more stabile and "deep". This

feature is performed by “smart” retuning both special systems - AGEB

and tracking control. It can be used for removing of interferences and

noises encountered during the search process too.

"SIGNAL" is a precision high quality analog meter indicating the

strength of the received signal and the level of charge of the built-in

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

battery; there are 3 embedded LEDs for indicating the type of the metal

and the condition of the battery:

"Fe", "n-Fe" - LED indication of the type of metal - green for

ferrous metals and red for non-ferrous metals;

"Battery!" is a LED for indicating less than 10% residual charge

of the built-in battery, indicating a necessary recharge (see #9);

The battery check function is set to run automatically each time the

detector is turned on. For a few seconds, the arrow on the meter shows

the battery status. If this reading is in the green sector of the scale - the

battery has enough charge and the detector can be used. When the

arrow shows values close to the red sector and/or the LED "Battery"

lights up red - the battery must be charged. (see #9)

4.Ground Balance.

The Golden Mask Deep Hunter Mobile ST provides full range

automatic ground balance based on a special “Flash Auto Ground

Balance”system which is a standard to all pulse detectors Golden

Mask. It does not need any settings and continuously rejects the signals

generated by changing soil conditions encountered while searching.

In high mineralized soils the noises have to be reduced additionally by

the “REJECT” control knob or by reducing the “GAIN” control of the

detector.

5.Search for metal objects.

The search for metal objects with the Deep Hunter Mobile ST consists

of slowly moving the search antenna above the ground. It is important

to know that this detector achieves the best results when the antenna is

kept at a constant height of 10 ÷12 cm from the ground. If you hold the

coil too low or touch the ground, you will experience faulty signals.

Unlike traditional VLF metal detectors, using the principle of inductive

balance and some pulse detectors designed for gold prospecting

mainly, the Golden Mask Deep Hunter Mobile ST can detect metallic

objects without motion. It is “no motion” machine. The movement is

only necessary to identify the type of metal, a speed of about one m/s

is sufficient for the discrimination system to function properly.

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

6.Indication of the presence of a metal object within the coil area:

The signal from a metal object, located in the area of the search coil is

indicated by increasing the frequency of the sound signal (“ticking”

sound).

Most weak signals an operator is able to notice are improved by

doubling the preset frequency of the sound, which is set with the

“AUDIO - Silent” knob. This is perceived accurately by the human ear

and therefore it needs to be set very precisely, so that the sound

frequency without the presence of a signal to be only a few Hz (slow

“ticking” sound).

Each “signal”has “start”and “end”. The Golden Mask Deep Hunter

Mobile ST has a very well expressed “zone”indication from deeply

buried metal objects. The length and width of this “zone” is a guide to

the depth/size of the metal objects. When this length is greater than the

size of the search coil and has an expressed peak in the middle this

certainly indicates a deeply buried metallic object. If the signal is of a

short duration (small area), but is captured only in the central part of the

coil, then you can also expect a deeply buried metal object. Double

audible responses corresponding to the passage of the front and rear

ends of the coil over the metal object are a sure indication of relatively

small metallic object not deeply buried. After reaching a certain signal

strength (which will be indicated on the indicator “SIGNAL”), the

identification of the type of metal through the LEDs mounted in the

indicating “SIGNAL” will start to work. The red color indicates non-

ferrous metals and green indicates ferrous metals (iron). To present a

high probability of proper metal type identification, when you detect a

target, move the coil outside the target area, press the “SMART TUNE”

button and then pass the antenna over the target from a different

direction. Repeat as many times as you want to identify the type of the

metal more securely. With a little experience, anyone can learn to

recognize the nature of the various signals, which will lead to better use

of the great capabilities of the Golden Mask Deep Hunter Mobile ST.

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

7. Silent mode

In silent mode the detector can be switched with the “AUDIO -Silent”

knob, when it is set to "Silent".

This mode can be chosen at any time. In silent mode the “ticking”

sound is not heard and the presence of metal target will be indicated

with a high pitch tone for non-ferrous metals, and low pitch tone for

ferrous metals. In the silent mode the sensitivity is lower, but this mode

is very suitable for highly “trashy" sites (where some small, mainly iron

metal objects are present, and these objects are not an objective of the

search). In this mode, the detector achieves a stronger “rejection”of

junk metals and provides a much more efficient search of large objects.

8.Rejection of small metal objects.

Often, in an area where large metal objects are searched for and the

metal detector is set to high level of “GAIN” control, many (unwanted)

small metal targets could be indicated. Decreasing the “GAIN” control

(sensitivity) and/or use of “Silent” mode sometimes could return

acceptable results, but the Golden Mask Deep Hunter Mobile ST

provides the ability to eliminate small metal objects without reducing the

sensitivity. This is accomplished with the “REJECT”knob. The lower

the value selected with this knob, smaller metal objects are detected.

After doing some tests with multiple "samples" of different metallic

objects, you will learn which values of the “REJECT” settings are best

for your needs.

9.Charging the battery: To ensure longer life of the battery it must be

charged with only the supplied charger. You will regularly check the

charge level of the battery after every one switch “ON” of the detector

and you must turn off the detector once the red LED "Battery" (located

in the lower right corner of the indicator) is lit.

To charge the battery:

1. Turn “Off” the detector, remove the coil jack and plug the

charger jack into the connector on the rear side of the battery block.

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

2. Place the detector in near a power outlet with voltage 120-240V

and connect the automatic charger into the outlet.

The charging is indicated with a RED-color LED light on the

charger housing. When the charging process is completed, the same

LED turns BLUE-color light.

The duration of charge of an discharged battery is about 6 - 8

hours.

When the charge is completed, remove the charger from the

power socket and then remove the charger jack from the detector.

3. Turn “On” the detector and see the battery level. With a

properly charged battery, the arm of the indicator must show a value

greater than “8”. If the reading is lower than “8”, reconnect the charger

and repeat the charging process!

To replace the batteries from the battery holder you must open the

front cover of the battery block.

WARNING!

Only use NiMH battery cells with capacity at least 2200 mAh and

size “AA”.

GM Electronics Ltd.

Golden Mask Deep Hunter Mobile ST –Instruction manual

OPERATING NOTES:

1.If, while searching, random disturbances or prolonged changes of the

frequency of the sound signal (false signals) appear, the “SMART

TUNE” button must be pressed. This action can be repeated several

times to ensurecomplete elimination ofthe interference and re-establish

stabile operation. Reducing the signal amplification (“GAIN”)will also

reduce interferences.

2. When switching “Off” the detector, the red LED “Battery!” will be lit

for a second or two. This does not indicate a battery problem. Only when

this LED lights-up when the detector is turned “On” (running), you

should charge the battery.

3. Do not use (or leave) the detector in a humid environment or in wet

bushes, snow and/or water –the electronics unit and battery block could

be damaged as it is not sealed. When you connect the coil to the

electronic block, you should prevent the entry of dirt or moisture in and

around the contact pins of the connectors.

4. Working with the detector in industrial areas and places with a large

amount of metal junk in the soil, and/or with presence of

industrial electromagnetic interferences, can lead to instability and/or

inability to work. This requires reducing the sensitivity of the device with

the “GAIN”knob, which will reduce the depth of detection, but this will

be the only way to achieve stability in such conditions.

5. After extensive work with the detector, with repeated attachment and

removal of search coil connectors, the connector could be damaged -

please carry out these activities very precisely and carefully to avoid

costly and severe damage. Contact points of the connector should be

kept clean and dry.

6. If the indicator “SIGNAL” shows a negative value (arrow deviates to

the left of zero) after lifting the coil from the ground, this means that a

metallic object was located under the coil. In such cases, move the coil

Dieses Handbuch passt für folgende Modelle

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