| 摘要 |
A portable display device transitions between a first state and a second state. The portable display device includes a display portion that displays information when the portable display device is in the first and second state, and a power source for supplying power when the portable display device is in the first state, and supplying less power when the portable display device is in the second state than in the first state. The portable display device also includes a controller that drives the display portion to display information in the display portion, an operation device that executes at least one command in response to receipt of at least one operation, and a storage portion that stores information to be displayed in the display portion when the portable display device is in the second state. The controller displays the information stored in the storage portion, when the portable display device is in the second state.
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