CVACZ G690
UNDERGROUND
DETECTOR
METAL DETECTO
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CONTENT
l.INTRODUCTION
1.
Thank you for purchasing our metal Detector. With this powerful and versatile device, you
INTRODUCTION
1.1 FEATURES OF YOUR DETECTOR
can hunt for coins, relics, jewelry gold, and silver just about anywhere. To obtain
maximum performance, The detector is versatile and easy to use with LCD. We urge you
2. PARTS AND NAMES
to take a few minutes to read this manual carefully and retain this manual for future
reference.
3. PREPARATION
3.1 ASSEMBLING THE DETECTOR
3.2 INSTALLING BATTERIES
FEATURES OF YOUR DETECTOR
3.3 BATTERY CONDITION INDICATION
Fully Automatic and All Metal Detectors - Your detector detects all kinds of metal
3.4 USING A HEADPHONE
objects. Unless you have set for some objects that you don t want to detect.
4. OPERATION
LCD
The LCD with light, it improve to identify the metal in night or caliginous outside.
4.1 CONTROL PANEL
4.2LCD DISPLAY
Target ldentity: The detected objecb are shown on the LCD display. You can decide
4.3 OPERATION INSTRCTION
immediately if the objects worth to be recovered.
4.4 SEARCH TESTING
4.5 OPERATION TIPS
Unwanted Target Elimination - You can set the detector not to respond to some objects.
4.6 METAL DETECTOR OPERATORS ETHICS
4.7 PLACES WHERE YOU CAN USE YOUR METAL DETECTOR
5. MAINTENANCE
6. SPECIFICATION
Unique Tone for Target - You don t have to keep watching the LCD display, when an
object is being detected, an unique tone corresponding to a target will generate. You may
even searching when there is little or no light.
No Glumsy Slack Cable - hidden search coil cable (connecting between control unit and
search coil) avoid entangling and for ease of stem length adjustnent.
Headphone Jack - provided for headphone connection. Both stereo or mono headphone
can be used.
Volume Control - for adjusting the output volume to the loud speaker or headphone.
Batteries Condition lndicator - shows the conditions of the batteries in the battery
compartment.
Waterproof Search Coil - lets you use the detector in the shallow water.
- lets you adjust the detector s length for comfortable use. The
micro-plug that connects the search coil and the controller unit is made of metal which
makes the plug more reliable.
Adjustable Stem
Armrest & stem - designed to eliminate strain on forearm. The nylon bracket to further
secure the slip of the hand compartment after long time holding the detector by arm.
Power - Use six 1.S-volt AA alkaline batteries.
2. PARTS AND NAMES
3. PREPARATION
NOMENCLATURES:
3.1 ASSEMBLING THE DETECTOR
You don t need any special tools to assembie your metal detector. All you need is a small
Philips-head screw driver. After unpack your detector, you may start the following
assembling and adjustment:
3.1.1 Rotate the STEM LOCK NUT ( 11 ) Clockwise until loosens.
3.1.2Slide the UPPER STEM (12) towards the SEARCH COIL (14) as indicated by an
arrow until you can see a micro-plug metal connector. Pull out the plug so that you can
hold it on your hand.
l.SEALING
2.ARMREST
3.ARMREST STEM
8.KNOB NUT
g.MAIN ENGINE
lO.UPPER STEM
4.ADJUSTMENT
ll.STENLOCK NUT
5.CONTROL PANEL
6.HANDLERY COMPARTMENT
T.CONTROLLER UNIT
12.LOWER STEM
13.SEARCH COIL KNOBS
14.SEARCH COIL ASSEAMLY
3.'1.3 Locate the micro-jack connector in the HANDLE ASSEMBLY (6). Connect the plug
and the jack together and care of alignment marks showing on the surface of the jack and
plug.
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3.1.4 Slide the UPPER STEM (10) towards to the CONTROLLER UNIT. Cares should be
taken for the direction of the cut slot (of the upper stem) which should be pull underneath
the support of the controller unit.
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@,4'z3.1.5 Tighten the KNOB NUT which is located under the CONTROLLER UNIT (7).
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3.1.6 Adjust the LOWER STEM (12) so that when you stand upright with the detector in
you hand, the SEARCH COIL (14) is level with and about 112 to 2 inches above the
ground with your arm relaxed at your side.
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3.2.4 Replace the battery cover.
3.1.7 Tighten the STEM LOCK NUT (8) in reverse direction (counterclockwise) to lock it in
place.
Gautions:
.
Use only fresh batteries and always replace the old batteries by fresh batteries.
3.1.8 Loosen the SEARCH COIL KNOBS (13) at the SEARCH COIL ASSEMBLY (14),
then adjust the search coil to the desired angle. (The Search Coil should be parallel with
r
Do not mix old and new batteries, different types of batteries (standard, alkaline, or
rechargeable), or rechargeable batteries of different capacities.
the ground.) Tighten the knobs just enough to keep the search coil from rotating or
wobbling.
o Never attempt to recharge the non-chargeable battery. PP3 9-volt battery is normally
non-rechargeable.
o Dispose old batteries promptly and properly.
3.3 BATTERY CONDITION INDICATION
3.1.9 Loosen the 1 screws at the bottom of the ARMREST. Adjust the armrest so that it
should be near to the end of your forearm. Tighten the '1 screws in the reverse direction.
The condition of batteries is indicated by the battery icon on the LCD
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The icon starts with 4 segments which indicate the batteries are new and in good
condition.
3.2 INSTALLING BATTERIES
When the icon has only one segment left and flashing, it is the time to replace both
You need 6 1 .5V AA alkaline batteries to power your detector.
batteries.
3.2.Press the POWER button on the control panel to make sure that the detector is OFF
3.2.2 Slide the battery cover away from the BATTERY COMPARTMENT (9).
3.4 USING A HEADHONE
You should always use a headphone whenever you search with your metal detector.
Headphone is especially useful in noisy area, such as the beach and near clty area_ lt
enhances audio perception by bringing the sound directly to your ears while masking
outside noise interference. You shall be amazed at how much better you can hear the
detector signals with the headphone than you can with the speaker alone. Using
headphones also save battery power.
3.2.3 lnsert 6 new batteries into the BATTERY COMPARTMENT. Cares should be taken
for the polarities symbols (+ and -) which are marked on the connection terminals of the
detector and the batteries. The polarities of the battery must be matched with the
polarities of the terminals.
To connect a headphone to the detector, insert the headphone's 1/8 inch plug into the
HEADPHONE JACK.
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Note:
The detector's internal speakerwill be disconnected when you connect a headphone.
4.2.{. Settable lcons
1. Sensitivity: 8 levels available for sensitivity adjustment.
4. OPERATION
4.1 CONTROL PANEL
a
2. Depth: 8 levels available for depth display.
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3. Highlight a Target: A rectangular box encircling a target icon flashes when target is
selected or being detected.
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4. Target Eliminate lndicator: indicates the target that you don t want to detect.
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5. Target lcons: To show each icons when you choose.
1.MODE
5.LCD
2.SET
6.ENTER
3.MOVETOTHE
T.POWER
S.MOVETOTHE
9.PHONE
4.P/P(target)
A
6. Tone Volume: there are 4 levels of tone volume
(,rrtt
VOLUME
POWER: control power ON or OFF
^l: Move to the right position
V: Move to the left position
MODE: Selects to ignore a target (eliminates a target) or assigns a tone to a target
SET: Selects a function
LCD DISPLAY
4.2LCD DISPLAY
7. P/P: cooperate with the P/P button to search target.
€
P/P
Battery Condition lndicator
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BATT
OPresstheMODEbuttonagain,the"X'markwillberemovqdendth'trrg'tlrr'rtor'd'
4.3 OPERATION INSTRUCTION
setting the other tergets'
O Repeat the above procedures for
4.3.1 Normal OPeration State
the POWER button once'
O Turn on the detector by pressing on
icons) should appear on the display'
(with
other
icons
DEPTH
and
o The SENS
State'
a The detector enters in the Normal Operation
oPressthePowERagainwillturnoffthepowerSupplytothedetector.
battery box' There are 4 levels or
a lndicates the conditions of the batteries in the
segments.
the batteries are in good condition'
O All 4 segments appeared indicates
the device can be operated' When the
power at which
O One segment is the minimum
it is time for replacing batteries'
indicator reaches this level and is flashing'
A or V
4.3.4 Tone Loudness Setting
a ln the
SET button (3 tlm€s ) untll the Ton. Volum'
Normal Operating State' Press the
O Use the
tone volume loudnegl'
or V buttons to increase or decrease the
of volume'
NOTE: There are 4 levels or segments
OPresstheENTERtoconfirmthesettingandreturntotheNormalOpergtlngStatt'
4.3.5 Factory Sefting
the original factory settlngs'
buttons, the detector will resume to
icon is
4 3 1)' press on the SET button The SENS
ln the Normal Operating State (Ref to
O Use the
buttons to increase or decrease the sensitivity'
OPresstheENTERtoconfirmtheSettingandreturntothenormaloperatingState.
4.4 SEARCH TESTING
Tofamiliarand|earnhowthedetectorreactstodifferentmetala,Voushouldtrltltb.'on
the detector indoor and outdoor'
you use it in the first time You can test
displayed'
of sensitivity level' The more segments
NOTE: There are 8 steps or segments
for
4.4.1 lndoor Testing
however
can detect deepest and smallest targets'
searching since high level of sensitivity
(refer to 4'4'5) which
Signal
False
of
problem
the
face
at high level of sensitivity you will
A False Signal occurs when something
a place
the higher the sensitivity
t"'"i'
S'h'
POWER
pressing simultaneously the ENTER and
To restore to the factory settings'
4.3.2 SensitivitY Adjustment
flashing.
and return to the Nonnel Op'rrtlon
Press the ENTER to confirm the sefting
lcon flashing.
4.3.2 Batteries Condition lndicator
a
o
used
nign level of sensitivity should always be
prevent you from setting higher sensitivity'
ground or
This is caused by highry mineralized
shourdn t sound rire a goojtarget.
sensitivity to
reduce
rule,'
general
a
As
etc'
interference from power lines, radio station'
prevent€xcessive false signal'
OTurnonthedetectorandmakesurethatthedetectorlBlnthoNorm|loprnlngSlrb'
any metral ob,6ct! lnoludlng wrtohaai
the detector on a table and remove
jewelry that You are wearing'
searching face points towards to thc oclllng'
O Adjust the search coil so that the
O Slowly sweep
the highlight icon means that it
flashing. The ferrous nal encircled by
oPresstheMODEbutton.A..X,,markwhichdenotes..eliminate,,willbeputontheSelected
target.
oUsetheAorvbuttonstoselectthetargetsthatyoudon'twantthedetectortorespond'
dotector to flnd !t $out 2.rt
a sample of the target that you want the
inchesabovethefaceofthesearcl.rcoil.Thedetectorproducesatonoforthctro.t.
4.3.3 Targets Eliminate Sefting
olntheNormaloperatingState,pressthesETbutton(twice)untilthehighlighticonis
is selected'
ilno' or
a
pulFtab
Repeat with an eliminated target' e'g'a
oSweepthepull-tababovethefaceofthesearchcoil.Youshouldnotethatthcdctrobr
target
doesn t respond to the eliminated
4.4.2 Outdoor testirg
.TurnonthedetectorandmakesurethatthedetectorisinthenormaloperatlngEtate.
O Find an area on the ground outside where there are no metal objects.
Wrong
O Bury few samples at a separation distance of 1-2 feet apart as targets for the testing.
OWhile holding the search coil level to the ground about'l-2 inches above the surface,
slowly move the s earch coil over the area where you placed the samples, sweeping the
search coil in a side-to-side motion.
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Overlap you sweeps approximately 50%.
When a sample is being detected, a tone will be generated.
O Search in
Slowly lifting up the search coil, the depth indicator on the LCD display increases. This
means that the target is a real one. Return to the original position to read the depth level
a methodical manner sweeping in a tight semicircle. Pay close attention to
where you're going and where you've been
.
of the target.
Note: The indicator reading is for reference only. The exact depth of a target depends on
the projection area on the search coil
4.5 OPERATION TIPS
4.5.1 Objects not on the
lid
O lf the highlight indicator jumping from one target icon to another or vice versa while an
object is being detected, the detected object may be an object not in the display list or the
soil is highly mineralized. The latter one can be ruled out by decreasing the sensitivity
4.6 METAL DETECTOR OPERATORS ETHICS.
Below are few basic rules you should follow while using your metal detector.
level and search again.
Always get permission to hunt on private property
4.5.2 False Signal
The detector is extremely sensitive and will find very deeply-duried object. Because of this,
OAlways leave a site cleanerthan you found it. Take at least some trash with your or, if
trash-induced signals and other sources of interference might cause signals that seem
confusing. The key to handling these types of signals is to dig for only those targets that
emit a strong, repeatable signal. As you sweep the ground, learn to recognize the
difference between signals that occur at random and signals that are stable and
O Always obey all laws relating to Treasure Hunting.
repeatable.
O Always return valuable property if you can locate the original owner.
you can, trake it all.
O Always fill in your holes neatly whether you're in a city part or remote wilderness. Leave
the land as it was before you disturbed it
OAlways to what ever you can to give the hobby of Treasure Hunting the good image if
To reduce false signals when searching in very trashy ground, scan only a small area at a
needs and deserves.
time using slow, short overlapping sweeps.
4.5.3 Searching Coil Sweeping
O Keep the search coil moving at a comfortable rate. TAKE YOUR TIME. lf you walk too
fast you can't overlap yours sweeps and you'll miss a lot of ground. Also if you sweep too
fast, you'll lose sensitivity and miss the target
Keep the search coil parallel to and as closb to the ground as practical. This is important
for maximum coverage and depth. lf you're hunting on a lawn you can rub the coil right on
the grass.
4.7 PLAGES WHERE YOU CAN USE YOUR METAL DETECTOR.
O National Forest and Federal lands, State part and lands.
O Corps of engineers, Lakes, shorelines and lands.
O Because of Land Management (BLM) Lands.
O City or country park lands and public school grounds.
5. MAINTENANCE
Your detector doesn't require a lot of care, but where are few things you should do to keep
it in operating condition.
To all residents of the European Union
-if you're not going to use it for while, take the batteries out.
-avoid extreme temperature like inside a closed car sitting in the sun.
lmportant environmental information about this product
This symbol on this unit or the package indicates that disposal of this unit after its lifecycle
could harm the environment.
-ifyou"scrub"thesearchcoil ontheground,you'll eventuallywareoff thebottom. Coil
a specialized company for recycling. This unit should be returned to your distributor or to a
replacement are expensive. lnstead, invest in an inexpensive coil cover( or called the skid
plate.
-put a rain-rest cover over the control housing if you're hunting in rain, fog or dust.
-keep your detector dry and clean. Wipe off the lower stem before sliding into the upper
stem and keep the lock nut treads free of sand and dirt.
6. SPECIFICATION
1
.BATTERY: 6X1 .5V AA alkaline batteries
2.OPEMTING CURRENT: STANDBY-65mA
MAX -150mA
3.OPERATING VOLTAGE RANGE:7.2
-9.6V
4.OPERATING PREQUENCY:7 .5KHZ+ |-1KHZ
5.SENSITIVITY:Min. 8" inch(Test Coin: USl50)
6.AUD|O
FREQUENCY 294H2 (re)
330H2 (me)
349H2 (fa)
392H2 (so)
440H2(ta)
494H2(ti)
523H2 (do)
T.TEMPERATUER
RANGE:-20C-60e
8.SlZE:540mm(L) x345mm(w) x150mm(H)
LGROSS WE|GHT2.50 Kg
I0.NETWEIGHT:1.10 Kg
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Do not dispose the unit (or batteries)as unsorted municipal waste: it should be brought to
local recycling service.
Respect the local environmental rules.
lf in doubt, contact your local waste disposal authorities.
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