b. Eliminate nickel coin, pull tab
Set the DISC/TONE knob to the position of “11:00” to “12:00”.(Fig.14)
Figure.14
Sweeping the 5¢ and pull tab about 2-3 inches) above the centre of the search
coil respectively , the unit won’t respond(the speaker is silent and the pointer
won’t swing).While sweeping the 1¢ and 25¢,the unit will all respond.
It means that iron 5¢ and pull tab are eliminated.
c. Eliminate 1¢
Set the DISC/TONE knob to the position of “12:00” to “1:00”.(Fig.15)
Figure.15
When sweep the 1¢ about 2-3 inches(5-8cm) above the centre of the search coil,
the unit won’t respond (the speaker is silent and the pointer won’t
swing).While sweep the 25¢,the unit will respond.(the speaker will sound a
tone, and the pointer will swing to right)
It means that 1¢ is eliminated.
d. To different metals, the location of the DISC knob is different. When rotating the
knob from 0 to10, Iron, Nickel, Pull tab, Zinc, Copper and Aluminum will be
rejected one by one. Note: the silver won’t be rejected; The discrimination
position of aluminum is similar to silver; The discrimination position of gold is
similar to pull tab.
6. Learn to use the TONE
In the “TONE” mode, you should use tone knob associated with DISC/TONE
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