PISTON AS 3796426 - Caterpillar

Light Bar Start-Up Checks
In order to make sure that the light bars are functioning and are configured correctly, light bar checks are performed when the AccuGrade System is first turned on.The operator must observe the light bars during startup, in order to check that they are working correctly. The LEDs on the light bars flash in the following sequence on startup:
LEDs on all light bars flash in sequence from the center outwards at the same time.
The LEDs on the left light bar flash in sequence from bottom to top.
The LEDs on the center (horizontal) light bar flash in sequence from left to right.
The LEDs on the right light bar flash in sequence from top to bottom.
The LEDs on all light bars flash at the same time, twice.If any of the three light bars do not flash, check the cables and all of the connectors. Retest the light bars. If the light bars do not flash in the correct sequence, check the configuration in the Light bar Connections dialog and retest.Using the Light Bars
Up to three lightbars can be installed. Each lightbar shows different information for your blade position:
Two vertically-mounted lightbars give cut/fill