Triplett Fox 2 & Hound 3 – PN: 3399 - Manual (Page 39)

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other clip of the FOX 2 to one wire and then the other, while
listening to the tracer tone on this clip with the HOUND 3. If
the level of the tracer tone drops significantly when the clip
is connected to one of the wires, this wire is probably OK
and the other wire is open. That is, the open wire is the one
that doesn’t drop the level of the tracer tone. If neither wire
drops the level of the tracer tone, they are probably both
open (or a good ground has not been used).
TRACER TONE
VISUAL CONT. TALK
OFF / POLARITY
AUDIBLE CONT.
WARBLE PULSE
CORDLESS INTERFACE
UNLOCK BATTERY TEST
AC / RING
REV NORM
STRONG
TONE
OPEN FAULT
WEAK TONE
Figure 7
Locating an Open
Leave the clip connected to the wire or wires that do not
“load down” the tracer tone. See Figure 7. Using the HOUND
3, follow the path of the wires by finding the strongest sig-
nal. An abrupt drop in the tracer tone level will occur at the
point of the open. Keep in mind, however, if tracing unseen
wires in the wall or ceiling, that the wires may pass behind a