| 摘要 |
An indicator device includes an indicator module, a control module, and a communications module. The indicator module is configured to emit a plurality of light signals. The control module is operationally coupled to the indicator module and is configured to operate the indicator module based on one of a plurality of logic functions stored in the control section. The communications module is operationally coupled to the control section and is configured to receive an input signal corresponding to one of the logic functions.
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