Level Crossing Keep Closed Button: Difference between revisions
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== Operation == | == Operation == | ||
To keep a level crossing closed press the DET button together with the '''''main''''' button of the level crossing. Notice that both the DET and the DELT button have a yellow dot on them - this indicates that the buttons only work when a level crossing main button is pressed. A main level crossing button is yellow while a secondary level crossing button is grey. | To keep a level crossing closed press the DET button together with the '''''main''''' button of the level crossing. Notice that both the DET and the [[Level Crossing Keep Closed Off Button|DELT]] button have a yellow dot on them - this indicates that the buttons only work when a level crossing main button is pressed. A main level crossing button is yellow while a secondary level crossing button is grey. | ||
Revision as of 01:33, 7 November 2010
Purpose
Sometimes it is necessary to keep a level crossing closed indefinitely. The DET button is used to close and keep closed a crossing, while the DELT button allows the level crossing to open again.
Operation
To keep a level crossing closed press the DET button together with the main button of the level crossing. Notice that both the DET and the DELT button have a yellow dot on them - this indicates that the buttons only work when a level crossing main button is pressed. A main level crossing button is yellow while a secondary level crossing button is grey.