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VAR8 and Variants Operation, Commissioning, Fault Finding, and Maintenance Guide

sue: 02 complete, approved

Page 120 of 166

25.5 Sounder and Lamp Test

It is possible to perform a test of all LEDs and sounder on the VAR8 front panel via the following menu.

Menu: TestsÆLamps

LEDs are turned off, then on in sequence while the sounder is turned on and off. Then all LEDs on the VAR8

front panel, the ‘fault’ and ‘select’ LED on each amplifier, and all LEDs on frames are turned on for 3

seconds. The Router sounder sounds during this time. On completion of the test, normal LED and sounder

operation resumes.

The user can perform the Lamp and Sounder test by pressing the front panel LAMP TEST key.

25.6 Frame Testing Facilities

25.6.1 Frame Configuration

The system provides the following functions to view the type and rating of amplifiers in each of the four

amplifier slots:

• Menu: ConfigurationÆFrameÆFrame#<nn>ÆCommis.

Enables the user to have a brief view of a frame configuration.

Where:

‘N’: Identifies a single circuit surveillance mode.

‘D’: Identifies a dual circuit surveillance mode.

‘L’: Identifies a loop return surveillance mode.

‘S’: Identifies a standby amplifier.

‘–’: No amplifier configured in the slot.

• Menu: ConfigurationÆSystemÆViewÆTerse

Enables the user to scroll through detected frames, and have a brief view of a frame configuration.