Toa VX-050DA - Page 14

2-4
Chapter 2 NOMENCLATURE AND FUNCTIONS
11.Amplieroperateindicators(Green)
The indicator corresponding to the module slot
port will light or go off depending on the operation
state of the power amplier when the power
amplier module is installed.
Operating status Indicator status
In-use Lit
Standby Unlit
DC fuse blowout Unlit
Protection* activated Unlit
* The built-in protection circuit operates if some
irregularities occur inside the amplier such as
abnormal temperature rise or fan failure.
It remains unlit when the line output module is
installed.
It remains unlit when no module is installed.
12.Amplierpowerindicators(Green)
The indicator corresponding to the module slot
port will light or go off depending on the operation
state of the power amplier when the power
amplier module is installed.
Operating status Indicator status
In-use Lit
Standby Lit
DC fuse blowout Unlit
Protection* activated Lit
* The built-in protection circuit operates if some
irregularities occur inside the amplier such as
abnormal temperature rise or fan failure.
It remains unlit when the line output module is
installed.
It remains unlit when no module is installed.
13. Zone fault indicators (Yellow)
Lights or ashes when the speaker line surveillance
function detects 3 types of failures: poor insulation
(ground fault), overload (line short), and cable
disconnection.
14. Fuse fault indicator (Yellow)
Lights or ashes when DC fuse blowout are
detected.
15. Power fault indicator (Yellow)
Lights or ashes when failures are detected in
Power Supply Manager.
16. CPU fault indicator (Yellow)
Lights while in a CPU off state (p. 3-30) or when a
failure is detected in the VX-3000F.
17. General fault indicator (Yellow)
Lights while in a CPU off state (p. 3-30) Lights or
ashes when a failure is detected in the system.
18. Unit fault indicator (Yellow)
Lights or ashes when a failure is detected in the
unit.
19. Network fault indicator (Yellow)
Lights or ashes when failures are detected in
communications with the other VX-3000F.
It also ashes or lights at network setting and
when a conguration error occurs.
20.
Emergency microphone fault indicator (Yellow)
Lights or ashes when failures are detected in
Emergency Microphone.
21. Fault ACK key
The buzzer will sound and Fault indicator will
ashes when a failure is detected in the system.
Press this key to stop the buzzer and switches the
Fault indicator from ashing to steady on.
22. Fault reset key
Pressing this key resets the failure information
(the buzzer and fault indicators) for the system.
23. Lamp test key
Used to test each indicator on the front panel of
the VX-3000F Voice Evacuation Frame.
All indicators remain lit and the buzzer sounds as
long as this key is pressed.