8
Let other nonferrous metals approach the search coil, the meter pointer will
deflect to the right, and the sound will turn louder. (Figure.12)
Figure.12
6.
Discriminate silver
Set the “DISC” knob to “MAX”. Adjust the balance to let the meter pointer
points “0”and the detector sound a light hum tone.
Let the 25
￠
silver coin approach the search coil slowly, the meter pointer will
deflect to the right, and the sound will turn loud. (Figure.13)
Figure.13
Let other metal samples approach the search coil slowly, the meter pointer will
deflect to the left, and the sound will turn light. (Figure.14)
