[Voice Announcement Board EV-200]
The following functions No. 36 through No. 40 are used when an optional
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40 | 38 | 36 |
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36. Voice Announcement board volume control |
| 39. CPU status indicator [CPU RUN] | |
Adjusts the volume for the Voice Announcement |
| Indicates the | |
Board. |
| Normal operation: | Flashes. |
37. Eject button |
| Abnormal operation: Steadily on. | |
| No operation: | Extinguished. | |
Press this button to eject the CompactFlash* |
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(CF) Card. |
| 40. Card access indicator [ACCESS] | |
* Trademark of SanDisk Corporation |
| Flashes when the unit is accessing the CF Card, | |
38. CF card slot [COMPACTFLASH CARD] |
| and is steadily on when a failure occurs. | |
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Insert the CF Card, the |
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message source, into this slot. |
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Note: Withdrawing the CF card during Message |
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Broadcast will terminate the broadcast |
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without completion. |
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[Surveillance Board SV-200M]
The following functions No. 41 through No. 43 are used when an optional
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41.Surveillance input and output connector
[SURVEILLANCE I/O]
A
•Features an input to activate the Surveillance (failure detection) function, and an output to indicate the result of failure detection.
•Monitors failures of operations of the unit's power amplifier section, and ground fault of the speaker line, then outputs the result of monitor lighting the Failure Indicator [FAULT] (No. 15).
•The Surveillance function for the speaker line is performed by suspending a broadcast only when the unit is activated from external equipment or the board's internal timer. In this
42 43
case, the indicators of all zones flash to indicate the broadcast is in pause. When the speaker line short is determined, the Failure Indicator [FAULT] (No. 15) lights and at the same time, the corresponding zone indicator flashes.
42.Speaker line impedance setting key [SET] Measures and sets each speaker line reference impedance value. (reference value for surveillance criteria)
43.Line check key [CHECK]
Checks each speaker line impedance for the line failure detection.
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