Emergency broadcast sequence – Toa SV-200MA User Manual

Page 20

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8.4. Emergency Broadcast Sequence

General-purpose broadcast

Depression of the Remote
Microphone's Emergency
broadcast switch

Activation of Alert input*

1

by external equipment.

Activation of Evacuation input*

1

by external equipment

Alternate repetition of Alert tone signal
and Alert announcement

Alternate repetition of Evacuation tone
signal and Evacuation announcement

End of set repetition

Activation of Emergency Stop input*

1

by external equipment

End of Emergency broadcast

(The unit returns to the general-purpose broadcast
mode it was in immediately before the Emergency
broadcast was started.*

2

)

Live microphone
announcement by
the Remote
Microphone's Talk key

Live microphone
announcement by
the Remote
Microphone's Talk key

*

1

Control I/O connector terminal located on the VM amplifier's rear panel
Emergency broadcast can also be stopped by pressing the front panel-mounted Reset key. Note, however,
that the zones the unit was broadcasting to just before the emergency broadcast activation may change.

*

2

General-purpose broadcast is not restored depending on its type.

[Emergency mode]
• The emergency mode refers to the state where the VM amplifier is making emergency broadcast or where

the "VM amplifier's broadcast cutoff control" signal is being transmitted from external emergency broadcast
equipment to the VM amplifier (refer to p. 36 "CONTROL I/O CONNECTOR FUNCTIONS").

• When the VM amplifier is placed in the emergency mode that takes precedence over general-purpose

broadcast mode, the Emergency indicators of both the amplifier and the Remote microphone will light.

[Restoration to general-purpose broadcast]
For the general-purpose broadcasts cut off when its mode enters the emergency mode, some are restored
after emergency mode completion, and some are not.

Broadcast to be restored

Broadcast not restored

Broadcast that is not activated by manual
operation of or control from external equipment
• Broadcast from Inputs 1 – 3 not activated by

control input (CTRL 1 – 3).

• Broadcast from BGM Inputs 1 and 2.

Broadcast that is activated by manual operation of or
control from external equipment
• Broadcast from Inputs 1 – 3 activated by control input

(CTRL 1 – 3).

• Broadcast from Remote Microphone
• Telephone paging
• Message broadcast
• Westminster chime

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