Toa VM-2120 Instruction Manual page 11

[Voice Announcement Board EV-200M]
The following functions No. 36 through No. 40 are used when an optional EV-200M Board is mounted in the unit.
36. Voice Announcement board volume control
Adjusts the volume for the Voice Announcement
Board.
37. Eject button
Press this button to eject the CompactFlash*
(CF) Card.
* Trademark of SanDisk Corporation
38. CF card slot [COMPACTFLASH CARD]
Insert the CF Card, the Pre-recorded chime and
message source, into this slot.
Note: Withdrawing the CF card during Message
Broadcast will terminate the broadcast
without completion.
[Surveillance Board SV-200MA]
The following functions No. 41 through No. 43 are used when an optional SV-200MA Board is mounted in the unit.
41. Surveillance input and output connector
[SURVEILLANCE I/O]
A 25-pin, female D-sub connector.
• 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
39
40 38
39. CPU status indicator [CPU RUN]
Indicates the EV-200M Board's operation status.
Normal operation:
Abnormal operation: Steadily on.
No operation:
40. Card access indicator [ACCESS]
Flashes when the unit is accessing the CF Card,
and is steadily on when a failure occurs.
42
41
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.
37
36
Flashes.
Extinguished.
43
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