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The HOUND 3’s Sensitivity Control is usually set to maxi-
mum when tracing wires through walls and ceilings, and is
set to a lower setting when in close proximity to the signal
carrying wires. In situations where there is a lot of acoustic
noise, observing the brightness of the LED, or using ear-
phones, may prove more useful than attempting to hear the
signal from the speaker.
Helpful Hints:
It is normal to hear a humming or buzzing noise coming
from the HOUND 3’s speaker when it is in an area with fluo-
rescent lights, neon signs, transformers, etc. In fact, an easy
test to verify the HOUND 3 is working is to move it toward
an operating fluorescent light and note that the buzzing sound
gets louder, and the brightness of the LED increases.
If the buzzing sounds from fluorescent lights interfere with
tracing/locating wires, the user may consider turning the fluo-
rescent lights off and using the HOUND 3’s built in lights
(which do not produce any noise).
7.4: Choosing a Probe Tip
The HOUND 3 is supplied with 2 Probe Tips. The metal coni-
cal tip provides the strongest signal in most cases, because
it can make a metallic electrical connection with a wire car-
rying the FOX 2 signal. In some cases, the metal tip can be a
safety hazard . . . because it might short out a live circuit
that the user is “probing”. The metal tip is rather short and
large in diameter, making it difficult to insert into wire bundles
while searching for the target wire.
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