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PAN-ぎICONTROLS
BATTERY TEST, DISCR IIV INATE. NORMAf.
Th6 6 a3 posir on rokry s lch
BATT. ro, b--_y
usinq6AA siz. celrs (see batery changinOl TheBATTposrio.
rens rhecon.l r on or bon'sers.J rrarre,es Bateresdrud l,c
NOFM ro, no.md ora merarmode
D 5C ro. drs'iminarion mode
DISCRIIVINA'ION LEVEL
3. TUI'IING CONTROI.
The tun n0 conto mun be se1 s mu raneo!5 /,,r, rr,e push
burlon rhumb conto, ar rhe end.J rrre hanrp qiD The
lanher .Gkw s th s s ruied, ll{ rior. rud o rone, and rhe
hiqherrhe Lnienriy readinson rhe me!e,
T'" plore' d_. a"
lrr s m,y bea...mp shed by movtr
o.r , 'o- 0
GROUNO REJECTION CONTfi Of ,
The sround rel{r on conto
rhe run ng should
cbb ro 'cy { ror4 o "db " r .
6etar o ror n n 'i!m rarection,
5, SE''ISITIVITY AOJUSTMENT.
An d"d 'o1 0 'o 0
.ontoh rhe *nsrrrv 'n borh modes ot op.mr'on wherh*
ON/OFFVOlUME CONTROf.-cn5 'bf onddddji ' r' oPar'
FIG,I PANEL CONTROLS
- L13l --
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552.0 OPERATORS MANUAL
GENERA! DESCBIPTION
Trre 552 D s a tle VLF lvery .w lre{]uency) ransm rer receiver
dere.ro, The rerm VLF relares ro rhe lreqoen.ies Jom 3 KH, ro
3o KHz The 552D rpeGres ar 45 KHz reqard es ol wh.t m.de
rhe d-ぎrecror is operared n no,ma 1a mera ) .r d $rminara rrc
The princple b-ぎhrnd mon vLF d riml.aloEroday 6 prrase separa
ron This pan'cu a, pro6s has p.oven ro be rhe mon eilecrre
and 'ruire,*ard ns, tor rhe co.
The 552 D has rwo deteto^ rynems lhe VLF sround rerecrion
s'eem and the vLF d erm nare {rerecron) mode lhe normal o,
s u*d lo, sseral *a.chins lo. all rypes ol
merah, letrous lmasnericl or non ieuous (non masnel c, precout
metas a^d -ぎn be used n a rypes ot oir condnons, backsand.
IheVLFdsahna.onmode esenera yu-ぎdwbensarchinspads.
ntai. a h@y concentarion ol !n
wanted hfqet, sch asbonle caps, n, s, io pul rabs, elc.
THE 55?O COMES EOUIPP-ぎD WIIH A STANDAFO 3' ]SO
PLANEB SE,AFCH COIL AND AN AOJI]STAALE HANDLE
THE 3" SEARCN COIL PFOVIDES THE AELIC HUNTEF OA
COIN SHOOTEF WITI AETTER DEPIH PENETBAT]ON THAN
SEAFCH CO LSOFSMALLER D AMETEFS
h head arc bolh adJu{abl-" tsorrr
rhe 'nnrumenr lo@ly by the hand 'Jrlp wrh yorr ah d'aqhr
Posil on the search head so 'r r pa.JLie w,rh
2 &lun rhe nem lenqth by oocn,.j rhe lo.k nq .ilr (ruh 1
.rockwse, ookinq down) unr rhe iower scton can be moved in
riiq i rilre run enouqh ro let 1
1 rrren hord rhe der(ror bV rhe hand qro,
nraohl 3nd adiun rh-ぎ nem bnqih unrir rhe
erc[ f]ead s abour ,r 'nch trom the s@!nd Tishren llre lockin{
,in4 A,inq yolr am a ltLe lorward and $/ns rhe earch bead
rrom !ds io side, ty'n9 varous positions ot you' h,nd oi rrrehan{l
9,'0 J0ovemenr sho! d be narlrarand eay ryou noricelhal vou
1 TLe 5520 lonpe $'e ct dii,'r 'c.e
s mu ianeousy The,eiord, rhe Ilnnoprocedrre wil be smewrrd
dnie,enr 1or eah mode lNormal D'{rmrnare) We .ecommend
or uF rhe nornar moderor qround
ALWAYS ALLOW THE INSTRUMENT TO TEMPEFA'TUfiE
ADJUST. PLACE THE UI'IPAC(ED DETECTOB NEAR WHERE
II ls'TO BE USEO, IURNED OFF, fOR 5 TO 10 MI UTES AL
[OWI'{G SUFFICIENT TIME FOR THE COIMPO'\IENTS TO
ADJUST TO IOCAL CO DITIONS.
Tuninq may chanqe rempora,ilv when movins berwen snny and
Nomal mod. ol op-ぎdtion:
r slpF.n rh-a rop or rhd hrnde otrhederecroraqane you' h,D
24" .ll rrie ground rher r0,n rhe
ON/OFF/VOLITME conrol No. 6, Frs I c (kw6e ro lu on
2 Bord. rh. Sdisriviry Contol to h'd rale 1A h-ぎher
d1drA 'i,q.",0r, ,
3 Forar-" M.de Sw(ch No l, Fs I ro BATT po on
4 Focre ModeSdlch No 1,Fs l,roNORMlorno.marear.h
ner .n rhe end ol rrr. haid. s rfr
2, No r Jnd rohre |re run ns c
tom 0 lnr rhe needre on rhe ,nrenr ly merer reads berween
30 and 40 on rhe s.ale, and vou can hear d6
