VAR4 / VAR12 / VAR20 - Operation Manual
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Page 262 of 308
Page 262 of 308
18 Testing
18 Testing
The VAR Router can initiate and control a number of unit and system tests to enable maintenance and fault
finding diagnostics to be applied:
The VAR Router can initiate and control a number of unit and system tests to enable maintenance and fault
finding diagnostics to be applied:
•
All health/fault status indications (LEDs and sounder) can be checked by the operation of the Lamp Test
function or the front panel ‘LAMP TEST’ key.
•
All health/fault status indications (LEDs and sounder) can be checked by the operation of the Lamp Test
function or the front panel ‘LAMP TEST’ key.
•
Amplifier output, VAR Router audio input, and DVA message can be displayed and monitored by the
operation of the Audio Mon function or the front panel ‘AUDIO MON’ key.
•
Amplifier output, VAR Router audio input, and DVA message can be displayed and monitored by the
operation of the Audio Mon function or the front panel ‘AUDIO MON’ key.
•
Changeover/change-back to standby amplifiers can be forced.
•
Changeover/change-back to standby amplifiers can be forced.
•
The detailed configuration and operational status of each mainframe and amplifier module can be
interrogated.
•
The detailed configuration and operational status of each mainframe and amplifier module can be
interrogated.
The user may perform any test function except for the amplifier changeover test without logging
into the system.
The user may perform any test function except for the amplifier changeover test without logging
into the system.
!
!
18.1
Lamp and Sounder Testing
Use this procedure to perform a test of all LEDs and sounder on the VAR Router front panel. The ‘fault’ and
‘select’ LEDs on each amplifier and all LEDs on mainframes are also tested.
L
The user can perform the Lamp and Sounder test by pressing the front panel ‘LAMP TEST’ key.
1. Select
Tests
Æ
Lamps
.
LEDs are turned off. Then on in sequence while the sounder is turned on and off.
Then all LEDs on the VAR Router front panel, the ‘fault’ and ‘select’ LED on each amplifier, and all
LEDs on mainframes are turned on for 3 seconds. The VAR Router sounder sounds during this time.
Note:
The menu will be locked during the test.
2. On completion of the test, normal LED and sounder operation resumes and the system will return to the
‘Test’ menu.
Содержание VAR12
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