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Check your batteries frequently. Remove your headset (leave
them around your neck or close by). Set the volume control at
“10” and click the SENS control counterclockwise into the BATT
TEST position. The condition of the batteries will be indicated in
two ways:
1. An Audio Tone: The stronger, the better. A loud,
high pitched tone indicates good batteries. A
weak, low pitched tone or “ticking” sound
indicates weak batteries. No tone means it’s time
to change the batteries.
2. Light Emitting Diodes: When both LED’s are
brightly lit, your batteries are fully charged or nearly
fully charged. One brightly lit LED means your
batteries are about half gone. When both LED’s are
out it’s time to replace the batteries.
The CZ-20 is powered by four, 9-volt transistor batteries located
in the rear section of the control housing. The batteries are sealed
off from the electronics so that accidental water leakage into
the battery compartment will not damage the circuitry. To
replace the batteries, remove the battery access door:
BATTERY REPLACEMENT
you’re on the bottom before putting your headset
on, and take it off before surfacing.
17. Divers should also keep the search coil at least
2 feet away from their bodies. Metal gear (weights,
gauges, tanks, etc.) will be detected by the CZ-20
if held too close.
18. Practice. Practice over known targets. Practice
ground balancing. Practice pinpointing. Reread
the appropriate part of this manual if you’re having
problems.
For even more “how-to” information, see your Fisher
dealer for “Advanced Treasure Hunting with the
Fisher QuickSilver Series Metal Detectors” an 88-
page, illustrated book by CZ expert Andy Sabisch.
OPERATING TIPS
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