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3.3.6
Microphone Connection
The microphone connector is used to connect a hand held microphone into the system. The
microphone can be used to record a message and as a manual voice evacuation override. See
Figure 3-4.
3.3.7
RS-232 Serial Connector
The RS-232 serial connector is used to directly connect the main control to a PC or laptop to
up/download custom system messages. See Section 4.2.2.2.
3.3.8
Microphone (MIC) Gain
Turn fully clockwise for maximum gain, turn fully counter-clockwise for minimum gain. See
Figure 3-4 for Microphone Gain control location.
3.3.9
S1 & S2 Message Test Buttons
In normal operating mode you can test CMD 1 and CMD 2 messages by pressing the S1
button (for CMD 1 message) or S2 button (for CMD 2 message). When the S1 or S2 button is
pressed for 1 second, the audio message and notification output will begin sounding,
simulating an actual CMD input alarm. The message and notification will continue to sound
(as programmed) for ten minutes, or you can manually silence them by pressing the same
CMD button for 1 second. See Section 4.2 for S1 and S2 functions in recording mode.
151267
Figure 3-4 Microphone Connection
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