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21016 SMU1-MPAB3 V1.3.doc
SMU1 Overview
The microphone comprises;
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Desk mount microphone unit with PTT (Press To Talk Button)
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Speak indicator (Green)
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Busy indicator (Red)
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Goose neck Microphone
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Microphone pre-amplifier unit in separate junction box (MPAB3)
SMU 1
SMU1 Operating instructions
Operation LIVE broadcast
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When the SMU is idle the red LED will show if the system is busy.
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To make an announcement the user is to press and hold the Speak button.
Until this point announcer has had no effect on the PA system.
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A rapidly flashing green LED by the Speak button, indicates that the pre-
announce chime is active and the announcer should wait until this green
LED stays solidly on. This is the Speak-now indication.
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Whilst holding the Speak button, the announcer should then talk steadily
and clearly into the microphone with their mouth about 10 to 20 cm. from
the microphone head.
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The call ends when the announcer releases the Speak button, thereby
turning off the microphone, indicated by the Green LED’s turning off.
