Warning indicator dashboard instrument - has symbols on internally illuminated transparent drum behind dashboard window and controlled by failure indicator circuit

摘要

The warning indicator for the car dashboard has a transparent drum (12) located behind an opening (1, 2) in the dashboard, and a light (14) inside the drum to illuminate the section under the hole. The drum is covered with various warning symbols to indicate the respective fault to the driver. Only one indicator hole is required. The drum rotation is controlled by the failure indicator circuit, with a priority for certain types of fault.