| 摘要 |
An electronic device includes an operation member which is arranged within a range where a particular finger of right hand gripping the electronic device in a vertical orientation reaches and in which assigned functions can be customized, a storage unit adapted to store information on a first function and a second function which are set in the operation member as the assigned functions, an orientation information obtaining unit adapted to obtain information on an orientation related to the electronic device, a function assignment control unit adapted to assign the first function to the operation member when it is determined based on the information on the orientation that the electronic device is in a horizontal orientation and assign the second function to the operation member when it is determined based on the information on the orientation that the electronic device is in the vertical orientation.
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