Toa VM-3000 Series - Manual (Page 46)

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The internal attenuator (speaker output volume control), external attenuator and master volume control cannot
be used during emergency broadcasts.
8.2. Emergency Broadcast Priorities
Priorities for emergency broadcasts are assigned to the following announcements: microphone
announcements from VM-3240VA or VM-3360VA, microphone announcements from the RM-300MF, and
Alert/Evacuation announcements. (Priorities are fixed.)
The lower the number, the higher the priority.
Sound Source Priorities (fixed)
Microphone announcement by RM-300MF/ID1
1
(RM-300MF assigned to ID1 using the setting software)
VM-3360VA or VM-3240VA Microphone Announcement 2
Microphone announcement by RM-300MF/ID2
3
(RM-300MF assigned to ID2 using the setting software)
Evacuate EV (internal pre-recorded Evacuation message) 4
Alert EV (internal pre-recorded Alert message) 5