| 摘要 |
A display apparatus having a monitor functional mode and a network functional mode, includes a first voltage switching part that controls a first operation voltage; a second voltage switching part that controls a second operation voltage; a voltage drop converting part that generates and supplies a third operation voltage; and a controlling part that controls at least one of the first voltage switching part and the second voltage switching part depending on a functional mode, and controls the voltage drop converting part to maintain a work file related to the network functional mode if the monitor functional mode is selected.
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