Tell-tale definition

Tell-tale means an optical signal which indicates the actuation of a device, correct or defective functioning or condition, or failure to function.
Tell-tale means an optical signal that, when alight, indicates the actuation of a device, a correct or defective functioning or condition, or a failure to function.
Tell-tale means an optical signal that, when illuminated, indicates the actuation of a device, a correct or improper functioning or condition, or a failure to function.

More Definitions of Tell-tale

Tell-tale means an optical signal that, when alight, indicates the activation or deactivation of a device, its correct or defective functioning or condition, or its failure to function; (témoin)
Tell-tale means a discrete visual signal that indicates the actuation of a device, a correct or defective functioning or condition, or a failure to function.
Tell-tale means an optical signal that, when alight, indicates the actuation or deactivation of a device, a correct or defective functioning or condition, or a failure to function.2.6. "Adjacent" means that no control, tell-tale, indicator, or other potential source of distraction appears between the identifying symbol and the tell-tale, indicator, or control which that symbol identifies.
Tell-tale means an optical signal that, when alight, indicates the actuation or deactivation of a device, a correct or defective functioning or condition, or a failure to function." Table 1, amend to read: "
Tell-tale means a display that indicates by means of a light emitting signal, the actuation of a device, a correct or defective functioning or condition, or a failure to function.