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UNIDEN Model UH400SX, UH400SX-RM, UH500SX, UH500SX-RM OM
Connecting the Microphone
FRONT MIC JACK
Push the MIC plug at the end of the microphone into the MIC jack until the connection locks into
place. Gently tug the MIC cord to test that the connection is locked. Use the Front MIC Jack
cover which is threaded onto the MIC cord to seal the MIC jack entry from dust.
Disconnecting the MIC from the Front MIC Jack
Pull away the threaded rubber collar and move it down along the cord. Using the ﬂ at blade
of a screwdriver or similar object carefully press the lock tab at the bottom (UH500SX) or left
(UH400SX) side of the MIC plug and push it upwards (UH500SX) or to the right (UH400SX). At
the same time tug on the MIC cord to draw back the MIC plug.
REAR MIC JACK
Use the Rear MIC Jack if the main base is mounted where a front MIC connection is intrusive or
if you wish to use the Remote LCD Speaker MIC with an optional extension cable.
Peel the dust cover from the rear MIC jack. Push the MIC plug at the end of the microphone
into the MIC jack until the connection locks into place. An optional 2m extension cable kit is
available to enable mounting the main base in a hidden location.
The Front and Rear MIC JACKs can not be used at the same time.
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