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OPERATION & CONTROLS
POWERING UP
Click the left knob to turn the detector ON.
After clicking the knob on, continued clockwise rotation will increase the
“sensitivity” in DISC mode or the “GAIN” in ALL-METAL mode.
We suggest keeping the GAIN below 70 until you become familiar with
the detector’s operation.
Depth and Target Display continued on next page
TARGET DISPLAY and AUDIO
SIGNAL Indicator
The lower-left bargraph designates
SIGNAL strength only when operating
in Discrimination mode.
The signal strength indicator at the
bottom-left of the screen indicates
how large or close the buried metal
target is.
If all bars are illuminated, the target is
large or close to the searchcoil.
If one or two bars are illuminated, the
target is far away or small, or both.
DEPTH Indicator
When operating in Discrimination
mode, a target’s location and size can
be verified using the PINPOINT
control.
Press PinPoint to temporarily detect
metal without searchcoil motion, and
a monotone hum.
While holding the PinPoint button, the
DEPTH indicator will appear. The
number beneath DEPTH represents
the distance of the object, in inches,
from the searchcoil. The Depth scale
is calibrated to coin-sized objects. For
objects other than a coin, the numeric
value is a relative measure of the
target’s depth.
AUDIO FEEDBACK
When a target is detected, the Gold
Bug Pro will respond with two types of
sound:
1. VCO, or Voltage Controlled
Oscillator, is an audio response
with variable pitch and volume.
2. A LOW or HIGH tone.
In Discrimination mode, targets which
fall into the zone along the arc
whose segments are shaded will be
identified with a LOW tone beep, and
solid segments with a HIGH tone.
As the user sets the discrimination
level with the
+ and - buttons, he is
determining which targets will induce
the low tone, and which will be
eliminated.
All targets’ audio responses in All-Metal
mode will be VCO.
VCO, or Voltage Controlled Oscillator,
is an audio response which provides
a good feel for the target.
The stronger the target signal, the
higher the volume and the higher
the audio pitch.
Very weak signals will have the
fainted volume and lowest pitch.
For this reason, the use of
headphones is always
recommended for detecting the
smaller and deeper targets.
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