JVC GY-HM100U Manual page 31

Looping the wire, top view
Loop the wire. This helps to keep the wire hidden, even when the talent moves
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around a lot in his chair. Simply press the clip open, pull the wire into the clip,
and pull the wire taut (see illustration).
Most Important. Be sure that the microphone is pointing towards the talent's

mouth, not tilting away from it. Also, a lavalier usually sounds best when placed
about a fist's length below the talent's chin.
Connections
Microphones are connected to the camcorder or mixer with microphone cables.
Microphone Cable - connects the audio signal from a microphone to a recording
device. On each end of a mic cable, there is a 3-pin XLR connector (plug or
jack). XLR connectors are "keyed" connectors, which means that they fit together
in only one way. Examine the connectors carefully and then plug them together.
If they do not lock together at first, do not force the connection. Pull the
connectors apart, reexamine the pin configuration, and try again.
Microphone Cable.
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