Maintenance - Fisher Labs CZ-3D Operating Manual

FALSE SIGNALS
Figure 8. TARGETS THAT AREN'T THERE.
Coin lying at an angle
or on edge.
Large deep target
(water pipe).

MAINTENANCE

Your CZ-3D doesn't require a lot of care. It's built with high quality
materials but there are a few things you should do to keep it in
peak operating condition.
1. If you're not going to be using it for a while, take
2. Avoid extreme temperatures. Don't leave it inside
3. If you "scrub" the search coil on the ground, you'll
4. Keep your CZ-3D dry and clean. If you've been
?
Long ferrous object (nail).
the batteries out. Acid damage caused by leaking
batteries can be severe.
a closed car sitting in the sun, or even worse, the
trunk of a car.
eventually wear through the bottom of the coil.
Replacement coils are expensive. Instead, invest in
a coil cover. They're cheap.
working in or around salt water or dust, wipe it down
with a damp cloth and dry it with a hair dryer (low or
no heat) or dry cloth. Remove and clean the lower
stem. Keep the lock nut free of sand and dirt.
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