Fisher GOLD BUG Owner's Manual page 21

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OPERATING IN DISCRIMINATION MODE
Notice the segment status along the arc, and the discrimination parameters they
represent, vary as you adjust the discrimination level with
For DISC values (at bottom right-hand corner of screen) up to 40:
- Operation is tone discrimination only
• No targets are eliminated from detection
- Target-IDs less than the DISC value induce a LOW tone
• represented by shaded segments
- Target-IDs greater than the DISC value induce v.C.O. audio
• represented by solid segments
for DISC values between 41 and 79:
- Targets in the blank segment region are not detected.
- Target-IDs less than the DISC value induce a LOW tone
• represented by shaded segments
- Target-IDs greater than or equal to the DISC value induce v.C.O. audio
• represented by solid segments
at DISC value = 80:
- All detected targets induce HIGH tones.
• represented by solid segments
- There are no LOW tones
No targets under 80 are detected.
will induce a LOW tone
Values less
than 20 will
NOT BE
DETECTED
This discrimination interface for the Gold Bug
relic hunters want control over what sizes of iron are detected, and also control over
which targets are detected with a low-tone. Target values of 40 or less are ferrous.
Here is an example of one possible setting:
Values from 20 to 49
Suggestion: Try changing the
settings, watch the screen, and
pass objects over the searchcoil at
each setting. It will quickly become
obvious how these controls work.
Values from 50 to 100
will induce a HIGH tone
was designed especially for relic-hunting.
®
-
+
or
.
This value
and higher
will induce
a HIGH tone
21

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