Chapter 1: Functional Description
System Functions
1-24 Service Manual
1.3.16 Alarms
Alarms are indicated to the user both visually and audibly. Visual alarms are provided via the LED Array
located on the Alarm Light Board. (Refer to Figure 1-18.) The LED array is controlled on and off by the alarm
control signal provided by the main application processor or audio processor on the Control Board. Alarm
audio is generated by an audio amplifier also under control of the audio processor in response to a
command from the Main Application Processor.
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