SEARCH MODES
9. When you go over a large, shallow target, the
CZ-70 Pro will respond with a distinctive bell tone.
This is because metal detectors can only identify
small targets. What usually happens is the
detector circuits overload and identify a large
target as "good" (silver, coin, etc.). Your CZ-70
Pro, however, will alert you to a target that's big
and shallow and cannot be accurately
identified. (Big deep targets, however, will
usually be classified as a coin. Also be aware that
large coins on the surface may set off the bell
tone. And the optional, smaller 5-inch coil is more
likely to overload than the standard 8-inch coil.)
10. Now, using the NOTCH and Arrow touch pads,
reject the IRON category by removing the
marker from below the IRON icon. You will find
that the CZ-70 Pro rejects small iron targets and
no longer responds either with an audio tone or
a display identification.
LCD in Notch mode
with cursor below IRON
icon and the IRON
category rejected
Audio Response Chart: CZ-70 Pro 4-Tone, Target-LD.
Soda and beer
cans, pipes and
other large,
shallow targets
Nails, wire,
other iron
trash
Round
pull tabs,
foil & most
gold rings
Copper pennies,
zinc pennies,
nickels. dimes,
quarters and a
few gold rings
Low Tone
Med. Tone
High Tone Bell Tone
25
rectangular pull
tabs. & old coins,
deep coins,
coins on edge,
coins close to
aluminum and
brass & lead
relics
4th Tone
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