| 摘要 |
A picture display device ( 1 ) comprises a power supply unit ( 3 ) operable to supply power from a power source ( 2 ), a picture size conversion unit ( 4 ) including a plurality of picture size conversion methods whose power consumption differs, a display unit ( 12 ) operable to display a picture for which size conversion is performed by one of the plurality of picture size conversion methods, a measurement unit ( 8 ) operable to measure remaining electric power amount of the power source, and a selection unit ( 9 ) operable to select one of the plurality of the picture size conversion methods according to the remaining electric power amount. The picture display device ( 1 ) appropriately suppresses electric power consumption; thereby, operating time of an electric device is extended.
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