Polycom MX392 - Manual (Page 18)

M
ACROS
Go to the M ACROS page of Conference Composer. To make things easy, label Macro 0 as MUTE ON
and label Macro 1 as MUTE OFF. Then, for each microphone that is physically connected to the
Vortex, add commands to Macro 0 that mute the microphones and add commands to Macro 1 that
unmute the microphones. When you're done, this is what the Macros page should look like:
Likewise, here is the Macros page for the Vortex EF2241:
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