Triplett Fox & Hound Jr. – PN: 3375 - Manual (Page 24)

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If the end of the wire/cable is exposed, for ex-
ample, in a junction or wall box, use the HOUND
Jr to determine if the FOX Jr warble TONE is
present. If so, you may have found the cable
you are looking for. You may find that several
cables in different junction boxes produce simi-
lar strength warble TONEs. This phenomenon
is caused by crosstalk . . . or “bleeding” of the
TONE signal into other wires or cables in prox-
imity to the target wire. Sometimes, the junc-
tion box contains several different wires/cables,
which due to size constraints of the box itself,
cannot be separated apart far enough to iden-
tify the wire/cable with the TONE signal on it.
To assist in identifying the target wire, use the
“Remote Tone Kill” technique.
The FOX Jr supports the use of the Remote Tone
Kill test method. When the wire or wires (pair)
that the FOX is connected to, are shorted out,
locally or remotely, the warble TONE signal from
the FOX Jr is “killed”.