I. Supplies Needed:
a Nail (made of iron)
a U.S. Quarter (or silver coin)
a U.S. Nickel
a Gold Ring
a U.S. Dime
a U.S. Penny, dated after 1982 (post-1982
pennies are made of Zinc)
(Most newer non-U.S. coinage also contains mostly Zinc)
II. Position the Detector:
a. Place the detector on a table with the searchcoil hanging over the edge. Or
better, have a friend hold the detector with the searchcoil off the ground.
b. Keep the searchcoil away from walls,
floors and metal objects.
c. Remove watches, rings and jewelry.
d. Turn off lights or appliances whose
electromagnetic emissions may cause
interference.
e. Pivot the searchcoil back.
f. Press
to power on.
III. Demonstrate DISCRIMINATION Feature:
a. Pass all objects over the searchcoil and notice the different tones.
Nail: low tone
Nickel: medium tone
Zinc Penny: medium tone
Gold Ring: most gold rings will register with a medium tone
Dime: high tone
Quarter: high tone
b. Wave objects close, notice depth indicator. Wave objects farther away and
notice depth indicator.
c. Press once.
d. Wave nail over searchcoil.
It will not be detected because it has been “discriminated out.”
e. Press
4 more times. Wave all objects. The Penny and Nickel will not
be detected. They have been “discriminated out.”
IV. Demonstrate NOTCH Feature:
a. Press twice
until
5¢
flashes.
b. Notice that the
5¢
is now illuminated.
c. Pass the Nickel over the searchcoil and notice it has been detected. The
Nickel has been “notched” back in.
V. Demonstrate DEPTH Indicator:
a. Pass the Nickel close to the searchcoil (about 1” away).
b. Notice the single arrow indicating a shallow target.
c. Wave the Nickel farther away from the searchcoil and notice 2 or 3 arrows
illuminating, indicating a deeper target.
7
QUICK-START DEM ONSTRATION
