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GM Electronics Ltd. 

 
 

 

 

 
 

Golden Mask Deep Hunter Pro7 

– Instruction Manual 

 

14 

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  should  be  pressed  and 

released. This action can be repeated several times to ensure 
complete elimination of the interference and re-establish stabile 
operation. Reducing the 

“SENSITIVITY”

 and/or switch 

“GAIN”

 

to 

“LOW”

 will also reduce the interferences.  

2.

 After the detector is turned 

“Off”

, 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.

 Keep a consistent height of the coil above the surface during 

the  search  to  ensure  optimal  functioning  of  the  systems  to 
eliminate the influence of the ground and the maximize detection 
depth.  

4.

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

in wet bushes, snow and/or water 

– the electronics unit could be 

damaged as it is not sealed. When you connect the coil to the 
electronics,  you  should  prevent  the  entry  of  dirt  or  moisture  in 
and around the contact pins of the connectors.  

5.

 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 

“SENSITIVITY”

 knob, which will reduce the 

depth of detection, but  it is the only way to achieve stability in 
such conditions.  

6.

  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.  

Summary of Contents for DEEP HUNTER Pro 7

Page 1: ...INSTRUCTION MANUAL ...

Page 2: ...rical interference Like the all 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 The Pulse Induction principle of metal detecting is based on the processing of short and intensive magnetic pulses which are emitted by means of a search coil Those magnetic pulses produce elec...

Page 3: ...by the general conditions of the warranty provided Golden mask Deep Hunter Pro7 can achieve its full potential only with the antennas that the manufacturer has included as well as the all kind of original antennas produced for each one metal detector of the Golden Mask Deep Hunter series The main search antenna for the Golden Mask Deep Hunter Pro7 is a square detachable frame that comes in two siz...

Page 4: ...de 2 buttons 2 switches and 1 signal indicator VOLUME On Off knob to switch ON Off the detector and adjusting the level of sound SENSITIVITY knob to adjust the sensitivity of the detector AUDIO TONE On Silent knob for adjusting the ticking frequency in absence of metal within the area of the search antenna In position On the detector is in its core search mode This is a strictly individual adjustm...

Page 5: ...ty REJECT GB 10 turn potentiometer for precise adjustment of 1 the rejection of undesirable small metal objects in AGEB mode 2 the tune non automatic ground balance system of the detector in MAN GB mode 3 the eliminating the impact of extremely heavy soils in AGEB mode SMART TUNE this button is used for fast tune of the machine It pressing for a 1 second make the detector more stable and deep This...

Page 6: ...d at any time when the detector is switched ON When the arrow is in the red sector the battery should be recharged 4 Elimination of soil impact ground balance As with all other detectors demand for metal objects in the soil is accompanied by some difficulties Overcoming these difficulties is achieved by using different systems and devices integrated into the electronics of the detector In order to...

Page 7: ...ART TUNE button 4 2 Manual Ground Balance The application of this method allows the use of the detector s extreme sensitivity but requires some skills that can be achieved in the practice To use this method 1 Place the antenna on the ground surface 2 Switch the mode to MAN GB 3 Select sensitivity of the detector with SENSITIVITY and or HIGH or LOW gain of the received signal GAIN switch 4 Switch O...

Page 8: ...f PVC pipes unions and elbows attached to the PVC frame using the included Velcro cable straps The connecting cable is plugged into the connector labeled Coil which is mounted on the right edge of the front panel of the electronics unit The connector ring must be tightened The search with a frame requires an assistant who controls the level horizontal movement of the frame using the included belts...

Page 9: ... a frame coil Golden Mask Deep Hunter Pro7 can be used with handle mounted round search coils Search with such antennas does not differ from the search with a frame The round coils are much more sensitive to identifying small objects and should be used for such searches In addition the purpose of the handheld coil is to replace the frame in inaccessible areas and provide an opportunity for individ...

Page 10: ...he use of a frame coil 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 antenna 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 deep...

Page 11: ...ng with the unit since increased sensitivity could lead to increased number of ghost or false signals Setting different values of the SENSITIVITY and using the GAIN switch can lead to different behavior of the device You will understand this function with practice and experience 9 Silent Mode In Silent mode the detector can be switched with the AUDIO TONE On Silent knob when it is set to Silent Th...

Page 12: ...nt sizes you will find which values of the REJECT GB settings are the best for your needs The REJECT GB is a 10 turn potentiometer and should be used its full 10 turns to find desired value for the small metal pieces and ground noises which have to be rejected 11 Charging the built in battery To ensure longer life of the built in battery it must be charged with only the supplied charger You should...

Page 13: ...ton If the reading is lower than 8 reconnect the charger and repeat the charging process To replace the battery you should contact your Golden Mask Deep Hunter Pro7 dealer 12 Relative depth of detecting of metal objects Golden Mask Deep Hunter Pro7 enables the operator to combine device settings and use it in 4 different modes of working using 2 different ways to reject the impact of the soil When...

Page 14: ...uence of the ground and the maximize detection depth 4 Do not use or leave the detector in a humid environment or in wet bushes snow and or water the electronics unit could be damaged as it is not sealed When you connect the coil to the electronics you should prevent the entry of dirt or moisture in and around the contact pins of the connectors 5 Working with the detector in industrial areas and p...

Page 15: ...e electronics 10 Always keep the electronics clean from dust grease and moisture Use only dry and soft cotton cloth for cleaning 11 If you use the detector in areas where there is possibility of the presence of buried weapons and or explosives you must proceed with great caution The manufacturer and the dealers are not responsible for the any damage or injuries resulting from such use of the detec...

Page 16: ...GM Electronics Ltd Golden Mask Deep Hunter Pro7 Instruction Manual 16 ...

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