User Manual

ManualsBrands4M ManualsSTEM Toys & Hobbies4M Metal Detector Robot

D. ASSEMBLING THE ROBOT CHASSIS

1. Put the chassis on a work surface, with recesses for motor and metal detector

facing upwards. Slide the axle into the slots under the front end of the chassis.

2. Push a wheel onto each end of the axle.

3. Push a wheel onto the end of the axle attached to the gear that is already installed

in the chassis.

4. Push a wheel onto the other end of this axle.

5. Place the motor in its recess in the chassis. Make sure the connections for the wires

are facing upwards.

6. Insert the short axle into the gear as in the diagram. Drop this axle into its

supports, so that the large gear wheel interlocks

with the worm gear on the motor, and the

small gear interlocks with the gear

on the axle. (Make sure the gear

is inserted in the correct direction

and position, or you will not be

able to fit the motor cover).

7. Put the motor cover over the

motor and rear axle. Secure the

cover with two of the screws.

8. Push the switch lever into its

base on the chassis.

9. Secure the switch lever with a

washer screw, inserted from

beneath the chassis.

1 remote-control with

switch and wires

1 battery cover

1metal detector unit

with batteries installed

1 chassis (with axle and

gear installed)

1 axle

1 switch lever

1 connecting cable

4 wheels

1 eye baseplate

2 stick-on eyes

1 motor cover

1 motor with wires and

worm gear

4 terminal caps

1 washer screw

screws

INTSALLING THE METAL DETECTOR ON THE ROBOT CHASSIS

10. Push the metal detector into its recess in the chassis, with the sensitivity knob point-

ing towards the motor.

11. Stick the two eyes on the flat side of the eye base plate. Press the eye base plate

into place on the chain loop of the metal detector.

12. The metal detector comes with a small strip of plastic

inserted into the battery case. This is to protect the life of the

batteries. Once you are ready to use the detector, remove

this plastic strip.

1 short axle

1 gear

connecting cable

mode

OFF

mode

LED

blink

LED

off

A. SAFETY MESSAGES

1. Please read carefully through all these instructions.

2. Adult supervision and assistance are required at all times.

3. This kit is intended for children over 8 years of age.

4. This kit and the finished product contain small parts, which may cause choking if misused. Keep away

from children under 3 years of age.

5. To prevent possible short circuits, never touch the contacts inside the battery cases with any metal.

B. USE OF THE BATTERIES

1. The Robot chassis requires 1 x AA, 1.5 volt battery (not included) and the metal detector unit requires

2 x 1.5 volt AG13/LR44 alkaline button cell batteries(already installed).

2. For best results, always use new batteries.

3. Make sure you insert the batteries with the correct polarities.

4. Remove the batteries if you are not using the Metal Detector Robot away for more than a few days.

5. Replace empty batteries straight away, to avoid possible damage.

6. Rechargeable batteries must be removed from the battery case before recharging.

7. Rechargeable batteries should be recharged under adult supervision.

8. Do not attempt to recharge non-rechargeable batteries.

9. Do not mix different types of batteries or new and used batteries are not to be mixed.

10. Remove empty batteries from the toy.

11. Do not short-circuit the supply terminals.

12. Do not connect the toy to more than the recommended number of power supplies.

F. TROUBLESHOOTING

•If you do not hear beeping when the detector is over a metal object, the object may

be too small or not close enough to the detector. In this case, you can try readjusting

the sensor.

• If you are trying to detect a very small metal object, try placing the detector just

above it. Turn the sensitivity knob down, until you hear the beep. Now very gently

turn the knob up just until the beep stops. Repeat your search for the item. If your

detector does not beep, turn the knob a fraction, and try again. Repeat this “fine

tuning” until you can detect the tiny metal item.

•If the Robot does not move when you press the switch on the remote control, the

remote-control batteries may be run down. Try replacing them. If this doesnʼt work,

make sure the bare wire on the end of each wire is in contact with the metal parts of

the terminals. You can also try lubricating the gears and all axles with cooking oil, to

reduce any friction that may be slowing down or stopping the Robot.

H. FUN FACTS

• Metal detecting is a popular hobby. Metal-detecting enthusiasts use their metal

detectors to look for metal objects hidden in the ground. They often search old battle-

fields and other historical sites, hoping to find old coins, jewellery and other treasure.

• In 2009, metal-detecting enthusiast Terry Herbert discovered a hoard of treasure

containing more than 1,500 gold coins and items of jewellery in Staffordshire, UK.

The hoard was buried more than a thousand years ago.

• Military bomb-disposal experts use metal detectors to search for land mines hidden

below roads and in mine fields.

• At airports, metal detectors are used to search passengers for metal objects such

as knives and guns.

• In food factories, metal detectors check that no metal items from factory machinery

have fallen into the food by accident.

• Electricians use metal detectors to search for electrical cables hidden in walls.

• In 1881, one of the first metal detectors was used to try to find a bullet inside US

President James Garfield. It didnʼt work, as Garfield was lying on a bed with many

metal springs!

IMPORTANT INFORMATION FOR METAL DETECTOR

This device may temporary cease functioning in electrostatic discharge environments, but

resumes its normal operation by reinstalling the batteries.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following

two conditions: (1) this device may not cause harmful interference, and (2) this device

must accept any interference received, including interference that may cause undesired

operation.

WARNING:

Changes or modifications to this unit not expressly approved by the party responsible for

compliance could void the user authority to operate the equipment.

NOTE:

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 installa-

tion. 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.

C. CONTENTS

Also required but not included: 1 x AA, 1.5 volt battery and small crosshead screwdriver.

E. OPERATION

1. Begin by adjusting the sensor in the metal detector. Make sure the unit is away

from the area being scanned or any metal object. Turn the switch lever on the chassis

until it presses the “ON” button on the side of the metal detector. Your metal detector

is now turned on.

2. Turn the sensitivity knob all the way down. The green LED will blink and a buzzer

will sound.

3. Then, slowly turn the sensitivity knob up, until the LED light and buzzer stop. The

detectorʼs sensitivity is now correctly adjusted.

4. Now test your metal detector. Move the Robot so that the base of the metal detec-

tor is near a metallic object. You should find the green LED blinks and the buzzer

sounds, indicating metal underneath.

Now you can start searching for treasure! Try hiding some coins or large paper clips

under a piece of card. Drive the Robot over the card. When the detector beeps,

youʼve found the treasure! When you have finished, remember to switch off the metal

detector unit by turning the switch lever back to its original position.

We value you as a customer and your satisfaction with this product is important to us. If

you have comments or questions, or you find any part of this kit missing or defective,

please do not hesitate to contact our distributor in your country. You will find the

address printed on the package. You are also welcome to contact our Marketing

Support Team: Email: infodesk@4m-ind.com, Fax (852) 25911566, Tel: (852)

28936241, Web site: WWW.4M-IND.COM

41-03297/1 09032011

FOR AGES OVER 8

WARNING:

CHOCKING HAZARD SMALL PARTS.

NOT FOR CHILDREN UNDER 3 YEARS.

To Parents: Read all instructions before

providing guidance to your children.

METAL DETECTOR

ROBOT

INSTALLING THE REMOTE CONTROL UNIT BATTERY

15. Insert a 1.5 volt ʻAAʼ battery into the remote control.

Make sure the flat (negative) end of the battery is

against the spring.

16. Put the remote control battery cover in place.

17. Secure the battery cover with the screw.

Now push the switch on the remote control one

way and then the other to check that the Metal

Detector Robot moves backwards and

forwards.

Congratulations! Your Metal Detector Robot

is ready to go.

CONNECTING THE ROBOT TO THE REMOTE CONTROL UNIT

13. Get the connecting cable. Push the red wire on the remote control into its terminal

hole in the case. Push a terminal cap into the hole to keep the wires in place. Repeat

with the black wire from the remote-control case and the black wire on the cable.

14. Push the red wire from the motor into its terminal hole in the chassis. Push the

spare end of the red wire on the connecting cable into the same hole. Push a terminal

cap into the hole, to keep the wires in place. Repeat with the black wire from the

motor and the spare black wire on the cable.

BATTERY REPLACEMENT

The metal detector unit requires

the 2 x 1.5 volt button cell

alkaline batteries provided.

(Please refer to section B for

general instructions on battery

use.) Remove the screw from the

battery case cover. Take the

cover off, replace the batteries,

making sure that the plus and

minus match those indicated in

the battery compartment,

then replace the cover and

secure it with the screw.

HAND HELD METAL DETECTOR

You can detach the metal detector from the Robot unit,

and use it as a mini hand held metal detector. Simple

press and hold the “ON” button at the side, and adjust

the sensitivity as described above. You can use it to detect

hidden metal around your house, such as metal screws

behind wall switches. Itʼs a useful gadget, which you can

even attach to a key ring.

When the metal detector is detached from the Robot chassis, you can attach the

moving eyes to the lower base of the chassis. Then, you have a remote control Robot

even without the metal detector.

washer

screw

•If the detector does not beep when you turn the sensitivity fully down, the detectorʼs

batteries may be flat — try replacing them. Or check if the plastic stripe has been

removed from the battery case as in step D 12.

•If the Robot moves in the opposite direction to that indicated on the control, check

if the wires are correctly connected.

• Since the lubricating oil inside the motor may solidify after being stored for a long

time, it is recommended that you remove the motor housing cover and rotate the

worm gears several turns by hand before using the robot after storing it for a long

time. This ensures that the lubricating oil can be spread evenly and the motor will runs

smoothly.

G. HOW DOES IT WORK?

A metal detector contains a wire coil. An alternating electric current (a current that

changes direction many times a second) passes through the coil. This turns the coil

into an electromagnet, which creates a fluctuating magnetic field around it. If there is

a metal object in the magnetic field, the field creates an electric current flow in the

object, resulting in the object having its own magnetic field. The metal detector

detects this new magnetic field and beeps.

QUESTIONS & COMMENTS

plastic strip