9
X. Click the MODE knob to the right.
The detector is now in the ALL-METAL Mode
QUICK-START
continued
a. Keep GAIN set at the 12:00 position
b. Rotate the THRESHOLD knob slowly from the far counterclockwise
position to the full clockwise position.
Notice these attributes of the THRESHOLD control, with no metal
over the searchcoil.
i. at low settings you will hear no sound
ii. at mid-scale, there will be a transition point from no sound to
a barely audible, choppy sound.
iii. at full scale you will hear a loud, constant tone. It may also have
an irregular or choppy sound, as a result of electromagnetic
interference emitted from other electrical devices.
Use with headphones
(not included)
The Gold Bug Pro is equipped with both a 1/8” and 1/4” headphone jack. Any
headphones with a stereo plug will work; headphones with a mono plug will not
work. Using headphones extends battery life, and also prevents the sounds from
annoying bystanders. It also allows you to hear subtle changes in the sound more
clearly, particularly if searching in a noisy location. Gold nuggets are often very
small, so closely monitoring changes in sound using headphones will improve your
gold prospecting results. For safety reasons, do not use headphones near traffic
or where other dangers, like rattle snakes, are present. This device is to be used
with interconnecting cables/headphone cables shorter than three meters.
IX. Press-and-hold and hold the nickel over the searchcoil
a. Notice that motion is not required.
A motionless object induces a hum.
b. Notice the single monotone hum. The PINPOINT mode produces
only this single sound, regardless of the type of metal detected.
c. Move the nickel closer to and farther away from the searchcoil.
Notice the changing “depth” values.
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