CPC G08B 21/18 (2013.01) | 20 Claims |
1. A display device, comprising:
a connection port;
a determination circuit, coupled to the connection port and configured to, in response to the connection port being connected to a transmission line, provide a first status signal, determine a power supply type of the transmission line, and provide a power supply type status value according to the power supply type;
a processor, coupled to the determination circuit, configured to read the power supply type status value according to the first status signal, determine whether the power supply type conforms to an expected power supply type according to the power supply type status value, and provide a power supply type tips signal in response to the power supply type not conforming to the expected power supply type; and
a tips circuit, coupled to the processor, configured to control the display device to display a power supply type prompt image according to the power supply type tips signal.
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