
A target at 3” will sound like a target at 12” because the signal is either
there or not…. Sort of like a light switch being on or off. When you hear a
loud beep, don’t assume it’s shallow. If your target repeats nicely but
disappears when the coil is lifted a few inches off the ground, your target is
either deep or very small. A coin size object that is only 4” deep will still
sound strong even if your coil is 6” above the ground. Bury a coin and
practice this technique for probable depth.
Less is more with your BLISSTOOL when it comes to GAIN and DISCR
DEPTH. Don’t be concerned if your BLISSTOOL only operates well at a
GAIN of “1”. You will still be going very deep. When in Virginia, detecting
the Culpeper red dirt, we heard a deep signal with our GAIN set at “1”. We
turned the GAIN up to “5” and the signal disappeared. It ended up being a
round ball at about 12” deep. That old analogy applies here; too much
GAIN in bad dirt is like turning on your hi-beam headlights in the fog.
If you need to run at a low GAIN level, make sure your DISCR DEPTH is
not too high - otherwise deep non-ferrous signals will “break up”. (see Chart
on page 8).
Wrap the cable as shown using the Velcro ties. If the cable flops around
loosely, you can get false signals.
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