Fisher 1266-X - Manual (Page 19)

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the beeps or, if you sweep at right angles to your
original direction, you’ll receive a single beep
directly over the target (except for the very
shallow coin). One way to tell the difference
between a coin and a nail is to set your
discrimination at about 5. Most small nails will be
tuned out while most coins will respond with a
good, smooth signal.
5. EXTREMELY TRASHY SOIL: May result in a
constant chatter or “snap, crackle and pop” with
assorted, hard to find “good signals”. The obvious
solution is to increase the discrimination level to
maximum. Slow down your sweep speed and
shorten your sweep pattern. An even better
solution is to try one of the optional 3-3/4" or 5" coils.
You’ll be able to zero in on good targets in the
midst of junk.
6. DIGGING TOOL: If you’re carrying a metal sand
scoop, digging knife, screwdriver or whatever,
hold it behind your back or keep it above your
waist. Your 1266-X is sensitive enough to sound off
each time you sweep the coil beneath it.
False signals may also occur in the Zero-Motion Pinpointing
mode. When in this mode, the 1266-X detects all metals so you
may pinpoint a piece of nearby junk instead of your good
target. The solution is simple: always recheck your target area
after recovering any target to insure that you haven’t missed
something. Or learn to pinpoint in the discrimination modes.
You may also receive false pinpointing signals in highly
mineralized soil. In this case, it is important to keep the coil
parallel to the ground and at least an inch above it.
FALSE SIGNALS