Ground balanc
and T
When the
the device
without an
Upon completion of ground balance
Balance (GB) box on the right side of the display
Automa
Automatic g
1) F
2) Push and
message will be shown on
about 15-20 cm (~6''- 8'') abo
movements and
3) Cont
on gr
completed
4) Upon c
(GB).
keep the GB
balance is
on the displa
numbers.
5) If you cannot ground balance, in other wor
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 differen
balance, read the section titled ''Impor.
When the ground balanc
mode for a short period of time and the ground balance value stay
it possible to manually fine tune the automatic gr
"Manual Ground Balance" section for further information regarding this f
not desired, pr
8
GROUND BALANCE
NO TE: I f t h e i S A T v a l u e i s s et h i g h , t h e d e v i c e m a y n o t a u t o g r o u n d b a l an c e . I n s u c h a c a s e ,
lo w er the iSA T v a lue first . A f t er g r o und balancing , set the iSA T back t o its or ig ina l positio n.
M anual G r ound B alanc e
A llo w s y ou t o manually modify the g r ound balanc e v alue . I t is not pr ef er r ed mostly because
it takes time . Ho w ev er , it is the pr ef er r ed option in cases wher e a suc c essful g r ound balanc e
cannot be per f or med using other methods or minor c or r ec tions ar e r equir ed t o the
aut oma tic balanc e .
G old K ruz er is desig ned t o allo w f or aut oma tic g r ound balancing c on v enien tly on an y t ype
of g r ound . T her ef or e , it is r ec ommended t o per f or m aut oma tic g r ound balanc e upon star t
up . Ho w ev er , the g r ound ma y not be suitable f or aut oma tic g r ound balancing in some cases
and the devic e cannot g r ound balanc e on such g r ounds . F or instanc e , w et beach sand , soils
c on taining alk ali or salt y w a t er , tr ash y sit es , ploughed fields , highly miner aliz ed g r ounds
and g r ounds with v er y lo w miner aliza tion ar e not suitable f or aut oma tic g r ound balanc e .
I n such t er r ains , tr y manual g r ound balancing . Ho w ev er , manual g r ound balanc e r equir es a
sk ill which dev elops o v er time thr ough pr ac tic e .
T o per f orm manual g r ound balanc e:
1) F ind a clear spot without metals and swit ch the devic e t o the GEN mode .
2) Y o u n e e d t o l i s t e n t o t h e s o u n d s c o m i n g f r o m t h e g r o u n d i n o r d e r t o p e r f o r m m a n u a l
g r o u n d b a la n c e . P u m p t h e s e a r c h c o i l u p a n d d o w n f r o m a b o u t 1 5 -2 0 c m ( ~ 6 ' ' - 8 ' ' ) a b o v e
t h e g r o u n d d o wn t o 3 c m ( ~ 1 ' ' ) o f f t h e g r o u n d w i t h s m o o t h m o v e m e n t s a n d k e e p i n g i t
p ar a l l e l t o t h e g r o u n d .
I f t h e s o u n d g e t s h i g h e r w h e n l i f t i n g o f f t h e s e a r ch c o i l a b o v e t h e g r o u n d , t h e g r o u n d
b al a n c e v al u e i s t o o l o w , i n o t h e r w o r d s , t h e e f f e c t f r o m t h e g r o u n d i s n e g a t i v e an d t h e
g r o u n d b a l a n c e v a lu e n e e d s t o b e i n c r e a s e d b y u s i n g t h e ( + ) b u t t o n . O n t h e o t h e r h a n d ,
i f t h e s o u n d g e t s h i g h e r wh e n l o w e r i n g t h e s e a r c h c o i l t o t h e g r ou n d , t h e g r o u n d b a la n c e
v a l u e i s t o o h i g h , i n o t h e r w o r d s , t h e e f f e c t f r o m t h e g r o u n d i s p o s i t i v e a n d t h e g r o u n d
b al a n c e v a lu e n e e d s t o d e c r e a s e d b y u s i n g t h e ( - ) b u t t on .
3) P ush the g r ound balanc e butt on onc e and r elease it . T he g r ound balanc e v alue will be
sho wn on the displa y and r emain ther e f or a momen t . Y ou can r etur n t o the g r ound balanc e
scr een b y pushing the g r ound balanc e butt on if the scr een swit ches .
M anual g r ound balanc e func tions within the
r ange of 0-99.80 Ho w ev er , each v alue c o v ers
5 st eps used f or fine tuning within itself and
these st eps ar e indica t ed as multiples of 20 in
the Gr ound Balanc e windo w ( GB). F or e xample ,
g r ound balanc e v alue sho wn on the side is 70.80.
P r e s s ( + ) o r ( - ) t o i n c r e a s e o r d e c r e a s e t h e
g r o u n d b al a n c e v a l u e , r e s p e c t i v e l y . I f t he k e y i s
p r e s s e d o n c e a t a t i m e , th e v a l u e s c o u n t o n e b y
o n e a n d i f i t i s h e l d d o wn , t h e v al u e s wi l l c h a ng e
q u i c k l y .
4) R epea t the abo v e pr oc edur e un til the sound hear d fr om the g r ound is elimina t ed .
T he sound ma y not be elimina t ed c omplet ely in some ar eas . I n these cases , list en t o the
sounds pr oduc ed when mo ving the sear ch c oil t o w ar ds and a w a y fr om the g r ound t o check
if the g r ound balanc e is c or r ec t . I f ther e is no diff er enc e bet w een the t w o sounds then the
g r ound balanc e is set pr oper ly .
T h e d e v i c e w i l l r e t u r n t o t h e m a i n s c r e e n a u t o m a t i c a ll y a f t e r a s h o r t p e r i o d o f t i m e u p o n
c o m p le t i on o f g r o u n d b a l an c e . T o r e t u r n t o t h e m ai n s c r e e n i n s t a n t ly , j u s t p r e s s t h e P P
b u t t o n o n c e .
IMPOR T ANT! Exper ienc ed det ec t or ists adjust the g r ound balanc e setting t o a sligh tly
positiv e r esponse (w eak but audible sound is pr oduc ed when mo ving the sear ch c oil closer
t o g r ound). T his method ma y pr oduc e fa v or able r esults f or e xper ienc ed users in c er tain
fields wher e small tar gets ar e sear ched f or .
G r ound T r ack ing ( TR A CK )
I n this option, the user does not need t o make an y adjustmen ts . TR A CK f ea tur e is ac tiv a t ed
fr om the SE T TINGS menu b y swit ching it t o 01 position. T he w or d '' T r ack ing'' is displa y ed
a t the bott om of the GB windo w . T he devic e upda t es the g r ound balanc e aut oma tically as
long as the sear ch c oil is swung o v er the g r ound and sho w s the g r ound balanc e v alue in the
GB windo w . I t does not pr o vide an y f eedback t o the user (like the beep sound in aut oma tic
g r ound balanc e).
W h i l e t r a c k i n g i s a c t i v e , t h e d e v i c e c a n i n i t i a l ly p r o d u c e a lo u d s i g n a l w h e n i t d e t e c t s a
d i f f e r e n t g r ou n d s t r u c t u r e ( f o r i n s t a n c e a m i n e r a l r o c k ) o r a t ar g e t . I n t h i s c a s e , s w i n g t h e
s e a r c h c o i l o v e r t h e s p o t w h e r e t h e d e v i c e p r od u c e s t h e s i g n a l . I f t h e s o u n d r e m a i n s t h e
s a m e a n d t h e d e v i c e s h o w s an I D , i t i s p os s i b l y a t a r g e t . I f t h e s o u n d a t t e n u a t e s t o o m u c h
o r i s l o s t a f t e r a f e w s w i n g s , i t m e a n s t h a t t h e d e v i c e h a s p r o d u c e d a s i g n al f o r t h e d i f f e r e n t
g r o u n d s t r u c t u r e or a s t o n e .
NO TE: I t is r ec ommended tha t y ou use tr ack ing in the G ener al S ear ch mode ( GEN) and not
in other modes .
T r ack ing is suitable f or use in ar eas wher e diff er en t soil struc tur es ar e pr esen t within the
same land or in fields wher e miner aliz ed r ocks ar e sca tt er ed widely apar t . I f y ou use g r ound
tr ack ing in ar eas wher e hot r ocks ar e in t ensely pr esen t , the devic e ma y not be able t o
elimina t e these highly miner aliz ed r ocks or y ou ma y miss the smaller or deeper metals .
IMPOR T ANT! Ensur e tha t tr ack ing is off dur ing air t ests . O ther wise , the devic e will a tt empt
t o per f or m g r ound balanc e on the tar get and the depth will be r educ ed .
G r ound B alanc e V alue
Gr ound balanc e v alue pr o vides inf or ma tion about the g r ound y ou ar e sear ching on. S ome
t ypical g r ound t ypes ar e as f ollo w s:
0-25 W et salt w a t er or w et alk ali soils
25-50 W et salt w a t er and w et alk ali soils c o v er ed with dr y la y ers
50-70 R egular , lo w - qualit y soils
7 0 - 9 0 H i g hly m a g ne t i c so i l s , m ag n e t it e o r m a g h e mi t e a n d s i m i la r h i g h ly m i n e r a l i z e d s o il s ,
b la ck s a n d
I mpor tan t Details C onc erning G r ound B alanc e
1) U p o n s t ar t u p , t h e g r o u n d b a l a n c e v al u e i s s e t t o 9 0 . T h e d e v i c e c a n p e r f o r m g r o u n d
b al a n c e a u t o m a t i c a l l y w i t h i n t h e r a n g e o f 2 0 - 9 9 .8 0 i n a l l m o d e s .
2) I f th e g r o u nd m i n e r a l i za ti on i s t oo lo w , au t o m a t ic g r o u nd b a l an c e m a y f ai l t o w o r k i n o t h er
m o d e s . I n su c h a ca s e , t r y ma n u a l g r ou n d b ala n c i n g .
3) Y o u can t e s t t h e a c c u r a c y of t h e g r o u n d b alan c e w i t h t h e p i n p o i n t m o d e . A f t e r g r ou n d
b al an ci n g , i f y o u r e c e i v e n o s o un d o r a w e a k o n e w h e n y ou m o v e th e s e a r c h c o i l cl o s er t o
t h e g r ou n d i n th e p i n p o in t mod e , t he n t he g r o u n d b a lan c e i s s u c c e s sf u l . I f t h e s ou n d g et s
l ou de r w h e n y o u m o v e t h e s e ar c h c oi l c lo se r t o t he g r o u nd , t he n t he g r ou n d b a la n c e i s n o t
s u c c e s s f u l . I n t h i s ca s e , si m p ly c h a n ge y o u r l o c a t i o n . I f g r ou n d b al an c e i s n o t p o s s ib l e de s p i t e
t h e se e f f o r t s , y o u sh ou ld c o n ti n u e y ou r s e a r c h wi t h o u t pe r f o r m i n g g r ou n d b a la nc e .
Y ou cannot sear ch in the G ener al S ear ch ( GEN) mode without g r ound balancing . Y ou need
t o use one of the other modes and incr ease the DISC. v alue un til the noise is elimina t ed .
4) Onc e the g r ound balanc e is set , it will r emain sa tisfac t or y f or a long time in most ar eas .
Ho w ev er , if y ou enc oun t er an e x ca v a t ed , backfilled or geolog ically c omposit e soil struc tur e ,
a g r ound balanc e should be per f or med again t o adapt t o the v ar ying soil struc tur e .
5) I n some cases wher e the iSA T v alue is set high, the devic e ma y not be able t o g r ound
balanc e aut oma tically . I n such a case , first lo w er the iSA T and af t er g r ound balancing swit ch
it back t o its pr evious position.
