An error message displayed instead of an image which has been determined as being unable to be displayed is displayed for a time ΔT' which is set independently of a time ΔT during which each image which has been determined as being able to be displayed is displayed. According to the arrangement, during a slide show display, it is possible to inform the user of the fact that an image intended to be displayed has not been displayed, without raising a possibility that due to an error message displayed for a period of time which is as long as a period of time during which each image which can be displayed is displayed, the enjoyment of photograph viewing is spoiled or the user is worried.
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