CYLINDER GP-BULLDOZER LIFT 2256727 - Caterpillar

Table 1
Color    Description    
White     Thick lift. The layer of trash that has been added is too thick for compaction. The default thick lift threshold is three feet. If the elevation increases by more than three feet after the last wheel pass, then thick lift is indicated.    
Red     A new layer of trash is detected because the current elevation has increased from the last wheel pass    
Pink     The first machine pass over the new trash layer has been completed    
Yellow     The second machine pass over the trash layer has been completed. The current elevation has remained the same or decreased since the last wheel pass.    
Dark Green     The third machine pass over the trash layer has been completed. The current elevation has remained the same or decreased since the last wheel pass.    
Green     The final machine pass over the trash layer has been completed. The current elevation has remained the same or has decreased by no more than six inches since the last wheel pass.    Reference: For additional information on the keys discussed in this section, see Systems Operation, "Machine Configuration Keys".