National Geographic Junior Bedienungsanleitung
Junior
METAL DETECTOR
INSTRUCTIONS &
LEARNING GUIDE
1
ASSEMBLY INSTRUCTIONS
Simply follow these instructions to assemble your National Geographic
metal detector and get started hunting for treasure!
STEP 1. Slide the armrest into the back of the handle assembly so that it
sits flush with the handle.
STEP 2. Using a Phillips head screwdriver, unscrew the cover of the
battery compartment, located on the underside of the handle assembly.
Insert 3 AA 1.5V batteries (not included), making sure that they line up
with the positive and negative indicators. Then screw the compartment
cover back on.
ARM STRAP
POWER/VOLUME
SENSITIVITY
BATTERY COMPARTMENT
SHAFT NUT
LED
SEARCH COIL
TELESCOPING SHAFT
ARMREST
COIL KNOB
3 x AA
2
STEP 3. Loosen coil knob and fold out the search coil until it angles away
from the shaft.
STEP 4. Turn the shaft nut clockwise to release the telescoping shaft. Do
not extend the shaft past the line indicating the maximum length. Fix the
shaft in place by turning the knob counterclockwise.
STEP 5. Adjust the search coil so that it is parallel to the ground and
tighten the coil knob to keep it in the desired position.
When properly adjusted the coil will sit a few inches above the ground
when you have your arm in the armrest.
1-2 inches
3
DETECTING BASICS
VOLUME/POWER
LED
QUICK START GUIDE
1. POWER ON
Switch your detector on by turning the
volume dial clockwise until the LED
light comes on.
2. BEGIN TREASURE HUNTING
Swing the coil above the ground in a side-to-side movement.
The detector will beep and the LED indicator will flash when a
metal object is found.
DETECTING HEIGHT Keep the coil 1–2
inches (2.5–5 cm) above the ground
when detecting.
SPEED An average swing speed is
1–2 seconds from side to side.
1-2 in (2.5-5 cm)
SWINGING PATTERN When swinging
the detector, slightly overlap each
swing to ensure areas are not missed.
4
ADJUSTMENT The detector should be
held straight with your forearm placed
on the armrest.
DISCOVERY When a target is found,
the detector will both beep and flash
the LED indicator.
SENSITIVITY Turn the sensitivity dial
to adjust your detector’s sensitivity.
Increase sensitivity (clockwise) for
more detecting depth. You may need to
decrease sensitivity (counterclockwise)
if there is high electrical interference or
if you get many false signals.
SENSITIVITY
VOLUME
LED
VOLUME Turn the volume dial clock-
wise to increase or counterclockwise to
decrease the volume of your detector’s
signal.
BATTERY When turned on, the LED
indicator will show solid blue. If it is
red, the battery level is low. If the LED
does not come on when you turn the
power on, the batteries are depleted
and should be replaced, following the
safety instructions.
5
BATTERY SAFETY INFORMATION
• Battery installation and removal should be performed by an adult.
• Use only batteries recommended in this instruction guide.
• Be careful to install the batteries with the correct polarity as indicated.
• Do not mix old and new batteries.
• Remove all batteries when replacing.
• Do not mix alkaline, standard, rechargeable, or different types of
batteries.
• Different types of batteries or new and used batteries are not to
be mixed.
• Non-rechargeable batteries are not to be recharged.
• Rechargeable batteries are to be removed from the detector before
being charged.
• Rechargeable batteries are only to be charged under adult supervision.
• Only batteries of the same or equivalent type as recommended are to
be used.
• The supply terminals are not to be short- circuited.
• Remove exhausted batteries.
• CAUTION: Do not dispose of battery in fire. Battery may explode or leak.
OTHER SAFETY INFORMATION
• WARNING: This device contains moving parts. Use caution
when adjusting components. DO NOT lean on detector when in
use as it is not designed to support your weight.
• WARNING: Any changes or modications could void the user’s
authority to operate this equipment.
• The coil is waterproof, but the entire
device is not intended for underwater
use. Please DO NOT submerge.
6
Metal Detector Code of Ethics:
1. Obey the law. Observe all
federal, state, and local laws
that apply to any areas you
might want to search.
2. Be respectful of other people’s
rights and property. Obtain
permission to search on private
property before you begin.
3. Leave the site as you found it.
Avoid trampling vegetation
and always fill in your holes
after digging.
4. Be responsible with the
treasures you find. Return lost
items to their owners if you
can, and resist the urge to sell
artifacts to private collectors.
5. Help further the cause of
archaeology. If you find items
of historical significance, stop
digging and call your local
historical or archaeological
society before disrupting the
site.
WARRANTY TERMS
This product has a 2 year limited warranty
from the time of purchase. Please keep
receipt as proof of purchase date. For
warranty or customer service questions
or call us at 1(541)708-6738
Compliance
Information to the User (FCC Part 15.105)
NOTE: Class B Devices
This equipment has been tested and found
to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide
reasonable protection against harmful
interference in a residential installation.
This equipment generates, uses and
can radiate radio frequency energy and,
if not installed and used in accordance
with the instructions, may cause harmful
interference to radio communications.
However, there is no guarantee that
interference will not occur in a particular
installation. If this equipment does cause
harmful interference to radio or television
reception, which can be determined by
turning the equipment off and on, the
user is encouraged to try to correct the
interference by one or more of the following
measures:
• Reorient or relocate the receiving
antenna
• Increase the separation between the
equipment and receiver
• Connect the equipment into an outlet on
a circuit different from that to which the
receiver is connected
• Consult the dealer or an experienced
radio/TV technician for help
CAN ICES-3 (B)/NMB-3(B)
7
LEARNING GUIDE
Invention and Refinement
The earliest metal detectors were large and inefficient, but
by the 1920s portable versions of the machines began to
appear. The first portable metal detector patent was issued
in 1925, and three years later the American businessman
Shirl Herr patented a device that could detect metals buried
as deep as eight feet.
COOL SCIENCE FACT:
In 1974 hobbyist Roy Lloyd discovered a high school class ring from
1926 inscribed with the initials “M.B.” After doing some research he
reunited the ring with its owner, Miles Baker, who had lost it off a pier
in Lake Johnson, Florida, nearly a half century earlier.
8
These instruments proved their worth when Admiral Byrd
used them in Antarctica to locate materials left behind
by earlier expeditions. Over the next several decades
technological improvements turned the metal detector into a
practical device for hobbyists. Batteries got smaller, circuits
got better, and the whole machine got lighter and smaller
as transistors replaced clunky vacuum tubes. Additional
refinements enabled metal detectors to work underwater
and to distinguish between different metals. Some detectors
can be immersed as deep as 200 feet underwater for
detecting the sea bed, and some even have built-in GPS.
Don't try this with
our metal detector!
It's meant for use
on land only.
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