Place the metal detector on a wooden or plastic table with the search coil roughly
perpendicular to the table surface ( see Figure 6 ). Make sure the table is far away
from TVs, computers, or any device that can cause electromagnetic interference.
Note: To avoid interference, remove any watches, rings, or other metal objects on
your fingers and hands.
Testing the detector in the All METALS mode
Counterclockwise turn the ALL METALS/DISC knob until it clicks. Now the
detector is in the ALL METALS mode. Gently turn the SENS knob completely
clockwise until it reaches the end.
Now the detection sensitivity is at the highest level. Refer to Figure 6, respectively
pass the metal samples ( the iron nail and 3 coins ) across the search coil at a
distance of 5cm to 8cm. When any of the metal samples passes across the search
coil, the detector should beep and the meter pointer should deflect rightwards.
When the detector stops sounding, the meter pointer should return to its original
position quickly.
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