(See Fig.10, take iron nail as an example)
5. PINPOINT mode test
a) Press and hold down the “PINPOINT” button, the PINPOINT cursor is
lighted, and the depth cursor points to the third grade. The detector
will sound a low single-frequency mediant. (See Fig.11)
b) Let the 2P copper coin approach the search coil slowly, when it is in
the position of about 6” to 8”, the strength cursor begins to appear and
turns stronger, the sound turns louder. Continue letting the 2P copper
coin approach the search coil, till the strength cursor is full-scale lighted,
the sound is louder, then the depth cursor denotes the depth dropping.
(See Fig.12)
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