Triplett Fox & Hound 3 – PN: 3397 - Manual (Page 47)

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which wire is the target wire. In this situation, it often helps
to reduce the Control setting, so changes in loudness are
easier to discern. Also, the Control may be used to reduce
the loudness of the HOUND 3 in quiet office surroundings,
so its use is less obtrusive to nearby workers.
8.2.4: Earphone Jack
The Earphone Jack (GG) accepts a standard 1/8" mini-plug.
This type is often used with portable music playing devices.
The earphone may be either a stereo or mono type. For best
results, the lead wire should be shielded to reduce the pos-
sibility of feedback occurring between the lead wire and the
HOUND 3’s probe. When the plug is inserted into the jack,
the HOUND 3’s speaker is turned off, and the sound can only
be heard through the earphone.
To use the earphone, set the HOUND 3’s Sensitivity Control
to minimum, plug the earphone into jack, and press the
Power button. Adjust the Control for a comfortable sound
level in the earphone.
Helpful Hint
Setting the Sensitivity Control to minimum prior to using
the earphone, as previously described, can often save the
user from a jarring experience. Sounds that are not very loud
in the Speaker, can be very loud in the earphone. While the
HOUND 3 does provide some compensation for this, the
earphone loudness can varying greatly depending on the
earphones actually used.