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Red: microphone (hot), supply voltage +
Shield: Microphone (ground), supply voltage -
Blue: LED +
Black: LED -
Connect the microphone wires to a microphone input
with a-b powering. Connect the LED ring referring to
Section 4.7.
1. Prior to installing the microphone, straighten the
cable by carefully pulling it through your fingers. Make
sure not to buckle or twist the cable.
2. Fasten a hook to the ceiling, use an existing hook, or
stretch a line across the hall.
3. Pass the cable through the hook or over the line so
that it will hang at the desired height.
4. Fix the cable in place with electrician's tape. This will
prevent the cable from twisting.
Do not tie a knot into the cable to hang it on the
hook. This may cause the cable to twist and misalign the
microphone after a while.
5. Hold the cable with one hand and turn the micro-
phone carefully into the desired position as shown in
fig. 2.
Note: If you installed the microphone as described
above, the special cable will not twist and will stay
aligned even if the temperature changes.
4 Installation and Connections
4.4. HM 1000
Hanging Module
Important:
Fig. 2: Aligning the
microphone.
23
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