10
5) Wave the nail over the search coil.
Press + repeatedly, whole continuing to wave the nail.
•
Notice the change in sound.
•
Sound changes from a HIGH tone to V.C.O. tones.
6) Wave each object over the search coil.
Sweep coin flat and parallel to the search coil. This is how you will usually find them
buried.
•
Notice the tones and 2-digit Target-ID’s for each object.
•
Motion is required. Objects must be in motion the search coil to be detected this
mode.
7) Press the + button several more times until the Disc value on the display = 60.
8) Wave the nail over the search coil.
•
The nail will not be detected.
•
The nail has been “discriminated out”.
9) Press and hold
and holt the nickel over the search coil.
•
Notice that motion is not required. A motionless object induces a hum.
•
Notice the variable pitch & volume hum.
•
Move the nickel closer to and farther away from the search coil. Notice the
changing “depth” values.
10) Click the MODE knob to the right.
The detector is now in the ALL METAL Mode.
•
Keep GAIN set at the 12:00 position.
•
Rotate the THRESHOLD knob slowly from the far counter-clockwise position to
the full clockwise position.
Notice these attributes of the THRESHOLD control, with no metal over the search
coil.
•
At low settings you will hear no sound.
•
At mid-scale, there will be a transition point from no sound to a barely
audible, choppy sound.
•
At full scale you will hear a loud, constant tone. It may also have an
irregular choppy sound, as a result electromagnetic interference emitted
from other electrical devices.
