background image

 

 

A l w a ys   t r y  t o   ma n u a l   b a l a n c e   t o   t h e   g r o u n d   s u r f a c e ,   a n d   i f   i t   s e e m  d i f f i cu l t   o r  

i m p o s s i b l e   t o   g e t   l i t t l e   c h a n g e   i n   a   s t e a d y  t h r e s h o l d   a s   c o i l   i s   l o w e r e d ,   w e  

recommend  use  “

A u t o

 

G E B

”  regime.  Use  “

A u t o

 

G E B

”  when  you  find  yourself 

i n   a   s i t u a t i o n   t h a t   d o e s   n o t   a l l o w   ma n u a l   , ,

G R O U N D   B A L A N C E

”  to  be 

a d j u s t e d   c o r r e c t l y.  

  T h e   g r o u n d   c o n d i t i o n s   a r e   r e a l l y  b a d   w i t h   m i n e r a l i z e d   g r o u n d ,   h o t   r o c k s   a n d 

i r o n   t r a s h ,   s o   yo u r   s w e e p   s p e e d   mu s t   b e   r e d u c e d   f o r   b e s t   r e s u l t s .  

A u t o

 

G E B

” is recommended when searching in wet salt sand too. 

N O T E

:   U n d e r   s o m e   s e v e r e   m i n e r a l   c o n d i t i o n s   g r o u n d   b a l a n c i n g   m a y   n o t   b e  

p o s s i b l e .   T h e   b e s t   r e s u l t   y o u   w i l l   g e t   i f   s e a r c h i n g   w h e n   t h e   s o i l   i s   d r y .

  

Fig.2 

N R G   1 5 0  

w o r k i n g   i n   d yn a m i c   r e g i me   -   s e a r c h i n g   m e t a l   o b j e c t s   i s   m a d e   b y 

mo v i n g   s e a r c h  c o i l   t o w a r d   g r o u n d   s u r f a c e   –   f i g . 2   ,   f i g . 3  

        Wrong   

 

 

 

Correct 

         Fig.3 

S t a r t   s w i n g i n g   t h e   s e a r c h   c o i l   i n   w i d e   s w e e p s   t h a t   o v e r l a p   e a c h   o t h e r ,   a s   n e a r   t o  

t h e   g r o u n d   s u r f a c e   a s   p o s s i b l e - F i g . 2   T h e   s e a r c h   c o i l   s h o u l d   n o t   t o u c h   t h e  

g r o u n d   d u r i n g   yo u r   s w e e p .   T h e   p o l e   l e n g t h   s h o u l d   b e   a d j u s t e d   t o   a l l o w   t h i s  

w i t h o u t   h a v i n g   t o   l i f t   t h e   d e t e c t o r   w i t h   yo u r   e l b o w   o r   s h o u l d e r .   T h e   s e a r c h   c o i l  

s h o u l d   r e s t   a b o u t   o n e   i n c h   a b o v e   t h e   g r o u n d   w h i l e   yo u   a r e   s t a n d i n g   e r e c t .   T h e  

a n g l e   o f   t h e   s e a r c h   c o i l   s h o u l d   a l l o w   t h e   b o t t o m   t o   b e   p a r a l l e l   to   t h e   g r o u n d .  

Summary of Contents for NRG 150

Page 1: ...1 NRG 150 User s operating manual Made in Bulgaria...

Page 2: ...accumulators NiMH 1 2V 2800mAh 220V automatic charger Operation user s manual Warranty card If any of these items are missing immediately inform us or our authorized dealer where you purchased your de...

Page 3: ...CD backlit Jack Phones used for head phones one 3 5mm on the front panel and one 6 3mm on the bottom side of the box 1 Assembling of the device The bearing rod is assembled by inserting of the lower p...

Page 4: ...sts the software version 2 Setting the THRESHOLD While holding the detector a few feet above ground and away from any metal object slowly turn the THRESHOLD knob until you hear a very slight audio ton...

Page 5: ...le change in the steady threshold as the coil is lowered you may be attempting to tone on top of a peace of metal Move to a different spot on the ground and repeat balancing Once the initial ground ba...

Page 6: ...neral conditions ground balancing may not be possible The best result you will get if searching when the soil is dry Fig 2 NRG 150 working in dynamic regime searching metal objects is made by moving s...

Page 7: ...target several times and look at the display indication When a metal target is detected probable target type will be indicated at the top of the LCD screen The Upper Scale where the VDI cursor is illu...

Page 8: ...n if you are just below the center of the coil Highly mineralized soils have a greater impact on the detector and thus the accuracy of VDI In high mineralization detected signals can be changed with g...

Page 9: ...nd if you come upon ferrous metal a low sound is heard If the DISC control is in low position Iron every ferrous object will be signalized with high tone like non ferrous If the soil is too mineralize...

Page 10: ...cts at depths up to 1 to 1 20 m depending on size Also smaller coils can be used in bushes bumpy and uncomfortable search location where it is impossible to use large coils The greater the size of the...

Page 11: ...r pinpointing is X ing the target with the search coil Remember that the target s response sound is always greatest when the target is directly under the center of the search coil To X a target squeez...

Page 12: ...arch You can practice with a coin on top of the ground to become acquainted with this technique fig 4 7 The detection depth depends on the following size shape and location of the object in the soil T...

Page 13: ...p the search coil moving at a comfortable rate If you walk too fast you can t overlap yours sweeps and you will miss a lot of ground Also if you sweep too fast you will lose sensitivity and miss the d...

Page 14: ...not light any more When they are ready pull the device out of the electric net and unplug the jack out of the CHARGE NOTE Don t unplug the charger if charge process is not finished Always charge devic...

Page 15: ...evice Put something sharp like a knife or a screwdriver in the sight holes and make them wider Thus the coupling will fit better into the jack which will improve the contact between them It is possibl...

Page 16: ...lief It is very important that the strain relief remains inta ct and should never be adjusted or tampered with Keep cables properly wound around the pole stems and protect them during use Floppy pinch...

Page 17: ...the floor of the passenger compartment if possible Using a carry bag gives additional protection In any case never allow the detector to roll around unprotected in the trunk or back of a pickup truck...

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