P. 70) – Toa SX-2000 Series User Manual

Page 70

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(3) Surveillance individual settings

Set each surveillance function to ON or OFF.
Mark the corresponding checkboxes to use this function. (Default: OFF)
Clicking the [All] button sets all the surveillance items within the unit to ON or OFF.

The following statuses are monitored at each surveillance point on the screen. The unit whose surveillance
points are selected checks to see;

DC POWER:

If the normal voltage is applied to both DC Power Input terminals.

SX LINK:

If the SX link cable is connected correctly.

ANALOG LINK:

If the analog link cables are connected correctly.

DS LINK:

If the VX-2000DS or VX-3000DS Emergency Power Supply units are operating
correctly.

Control input:

If the control lines from the external devices are connected or shorted.
Notes
• SX-2100AI's, SX-2000AO's, and SX-2100AO's control input failure cannot be

detected.

• When the surveillance function of the control inputs is set to "ON," the control

inputs can receive no signal and remain in "break" (open) status if the control
lines to the set control inputs are disconnected or shorted.

ANALOG LINK OUT: If the analog link cable is connected correctly.

Note
Uncheck when the cable is not connected to the analog link output terminal.

RM:

If the connected remote microphones is operating correctly, or the cable from the
remote microphones is connected.

CI/CO LINK:

If the SX-2000CI or SX-2000CO is connected correctly.

Amplifier:

If the external amplifiers connected to the SX-2100AO's Amplifier Input terminals
are operating correctly. Amplifier statuses to be checked include amplifier
connection, fuse, and operating temperature. (Refer to

p. 146

Loudspeaker line:

If the speakers connected to the SX-2100AO's Speaker Connection terminals are
operating correctly.
Note
For the detailed description of Speaker Line Surveillance function, refer to the
separate Installation Manual.

For the correct connection at each surveillance point, refer to the separate Installation Manual,
"Connections."

SURVEILLANCE SETTINGS

(2) Amplifier/speaker surveillance interval (AC-mains failure status)

Set the start time* and interval for the amplifiers' and speaker lines' fault detection.

Note: Surveillance function cannot be performed when "None" is selected.

* When the time set by the SX-2000SM has reached this set time. (Refer to

p. 42 "SX-2000SM Time

Settings."

)

• Start time

None (default), 00:00 – 23:00 (in 1-hour steps)

Available Settings