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CONTROL FUNCTIONS
4. VOLUME: Turns the power on and controls the
signal response volume. Normally set at 10 unless you're
wearing headphones (strongly recommended) in
which case the volume should be lowered to a
comfortable level when the Gold Bug is responding
to a large or shallow target.
5. HEADPHONES: This jack accepts most mono and
stereo headphones with 1/4" plugs. When using a
headphone with a "Stereo/Mono" switch, put it in
the "Stereo" position.
6. RETUNE: Retunes the Gold Bug in the No-Motion
mode to your preset "threshold" tone (See
THRESHOLD Control). When searching in the Motion
mode it is necessary to push, hold and release the
retune button when the unit is first turned on (not
required if it is in the Auto-Tune mode when turned
on) and only occasionally thereafter if you leave it
in the MOTION mode. Switching to the Auto-Tune
position and back has the same effect as pushing
the RETUNE button. Frequent use of the RETUNE
button is necessary when operating in the No-
Motion Mode (especially at high sensitivity levels).
7. THRESHOLD: This shaft on the rear of the control
housing is purposely small and out of the way so
you won't move it accidentally. It is used to tune
the "Audio-Threshold" point at which a very faint
hum is heard in the Auto-Tune and No-Motion
modes. Once it is set, you won't have to reset it
very often unless you change SENSITIVITY or
GROUND ADJUST points. The THRESHOLD control has
no effect on the Motion mode which runs silently
without a threshold tone.
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