Emergency Broadcast Sequence - Toa SV-200M Instruction Manual

8.4. Emergency Broadcast Sequence

Depression of the Remote
Microphone's Emergency
broadcast switch
Alternate repetition of Alert tone signal
and Alert announcement
Live microphone
announcement by
the Remote
Microphone's Talk key
Activation of Emergency Stop input*
by external equipment
* 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.
* General-purpose broadcast is not restored depending on its type.
2
[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 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.
20
General-purpose broadcast
1
Activation of Alert input*
by external equipment.
End of set repetition
End of Emergency broadcast
1
(The unit returns to the general-purpose broadcast
mode it was in immediately before the Emergency
broadcast was started.*
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
Activation of Evacuation input*
by external equipment
Alternate repetition of Evacuation tone
signal and Evacuation announcement
Live microphone
announcement by
the Remote
Microphone's Talk key
2
)
Broadcast not restored
1