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Autonomous Control Unit and Local Operating Consoles
Figure 69 Zone Priorities
15.4 ACU Operation
To broadcast a pre-recorded digital message:
• Press a button on the selector with the appropriate message.
Buttons should be labelled to indicate the content of the message. The message will be
broadcasted and will loop continuously until the system is reset or a higher priority
operation is performed.
To broadcast an announcement:
1. Remove the microphone from its holder and press the button on the microphone.
2. Speak into the microphone.
The Page Ready LED turns on when the microphone is keyed.
The ACU paging microphone has the highest priority and will override all other
operations.
15.5 LOC Operation
To broadcast a pre-recorded digital message:
• Move a switch with the appropriate message to the ON position.
Switches should be labelled to indicate the message that they will play. The message will
be broadcasted and will loop continuously until the system is reset or a higher priority
operation is performed.
To broadcast an announcement:
1. Remove the microphone from its holder and press the button on the microphone.
2. Speak into the microphone.
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