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The internal attenuator (speaker output volume control) and master volume control cannot be used during
emergency broadcasts.
7.2. Emergency Broadcast Priorities
Priorities for emergency broadcasts are assigned to the following announcements: microphone
announcements from VM-3240VA and Alert/Evacuation announcements. (Priorities are fixed.)
The lower the number, the higher the priority.
Sound Source Priorities (fixed)
Not used. 1
VM-3240VA Microphone Announcement 2
Not used. 3
Evacuate EV (internal pre-recorded Evacuation message) 4
Alert EV (internal pre-recorded Alert message) 5
8.1. What Is the CPU OFF Function?
The CPU OFF function bypasses the CPU*, which the VM-3000 system uses in ordinary broadcasts, and
allows all-zone calls to be made from the VM-3240VA. Use this function when ordinary broadcasts cannot be
made due to system failures, etc.
* A signal processing unit installed in the VM-3240VA or VM-3240E.
8.2. Making All-Zone Calls Using the CPU OFF Function
While the Emergency Activation switch on the front panel of the VM-
3240VA and the Emergency Microphone’s Talk key are
simultaneously held down, the Emergency indicator (red) remains lit
and the amplifier is placed in CPU OFF condition, allowing all-zone
calls to be made from the Emergency Microphone. Adjust the sound
volume with the Emergency Microphone’s volume control.
8. CPU OFF FUNCTION