4M Science In Action/Metal Detector Посібник - Сторінка 2

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E. INSTALLING THE BATTERY

1. Open the battery cover with a crosshead screwdriver. (Adult supervision is required.) 2. Locate the battery connector and

connect it to the battery with the correct polarities (+ and -). Put the battery in the battery compartment. 3. Close the battery

cover and tighten the cover screw.

F. YOUR METAL DETECTOR (Also required but not included in this kit: a small crosshead screwdriver and 1 x 9V

battery.)

A: Handle

B: Retractable shaft

C: Search coil

D: Battery compartment

E: LCD monitor

E1: Power button - Press this button for a while to turn on and off the metal detector.

E2: Reset button - Press the right button to reset the original mode.

E3: Detecting meter symbol - The meter symbol flashes and emits a beeping sound when detecting a metallic object.

E4: Battery level indicator - It shows battery level and flashes when replacement is needed.

G. SETTING & TESTING YOUR METAL DETECTOR

1. Holding the retractable aluminum shaft with one hand and the search coil with the other hand, pull apart to extend the

aluminum shaft to full length.

2. Hold the metal detector in your hand with your arm extended when you are in standing position. Adjust the shaft's length

so that the search coil rests on the ground close to the your feet. Pivot the search coil for the best searching position.

3. QUICK TEST

Turn on your metal detector by long pressing the "POWER" button.

Put a metal coin on the ground outdoors.

Hold the metal detector search coil above the coin, then gently move the search coil towards the coin. The meter symbol

will flash and the detector will start to beep too. Move the search coil away from the coin and its flashing symbol and

beeping sound will stop to show that the metal object is no longer being detected.

You can press the "RESET" button to reset the metal detector to standby mode.

After you complete this quick test you can start searching for metal objects.

4. Notes: Test your detector outdoors only. Large metal objects inside the home may interfere with the detector's operation

since the floors and walls of most homes contain metal. Electrical appliances inside the home like microwave ovens,

televisions, and some light fixtures emit electromagnetic energy which can interfere with the detector's operation. If you do

conduct an indoor demonstration, hold the search coil off the ground and wave a coins or metal objects around the search

coil.