About Your Detector - Fisher Labs CZ-21 QuickSilver Operating Manual

ABOUT YOUR DETECTOR

Your CZ-21 QuickSilver is an all-purpose metal detector
engineered for land, beach, salt and fresh-water treasure hunters.
Here are some important features:
1. Leakproof: Submersible to 250 feet.
2. 3-Tone Target I.D.: A low tone for iron, a mid-tone for
3. Depth: Patented Fourier domain signal analysis. Two
4. Two Search Modes: A silent running, slow motion
5. VCO No-Motion Pinpointing: Tap the pinpoint button
6. Big-Target Alert: The CZ-21 circuits may overload
7. Faint-Target Audio Boost: As you increase the volume
8. Quick Manual Ground Balance: Tap the pinpoint
9. Separately Sealed Battery Compartment: Protects
pull tabs, foil and most gold rings, and a high tone
for U.S. coins, silver rings and some gold rings.
deep-seeking, ground-compensating VLF signals
(one at 5 KHz and one at 15 KHz) provide twice as
much target information for accurate analysis and
identification.
target I.D. mode and a hot, autotune mode for all-
metal searching.
and the audio tone increases in pitch and volume
as the center of the coil approaches the target.
on large, shallow targets. A distinctive bell tone
immediately warns you that the target is too large
to identify.
level past "5", strong target sounds remain at a fixed
volume while faint, deep-target sounds continue to
get louder.
button and lower the coil to the ground. Then set
the ground control just below the audio tone and
you are precisely tuned for on-site conditions.
the electronics from accidental flooding.
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