| 摘要 |
PROBLEM TO BE SOLVED: To lower a risk of occurrence of hindrance to a telephone call due to covering of a user interface portion used for a telephone call with a hand or fingers.SOLUTION: A portable information terminal includes a user interface portion used to make a telephone call, a determination portion which determines whether the telephone call is being made, and one or more warning portions which warn that the user interface portion should not be covered when the determination portion determines that the telephone call is being made. |
