| 摘要 |
PROBLEM TO BE SOLVED: To indicate an operator that time code values are indefinite and to prompt the operator to reproduce the whole program again for acquiring the accurate time code values. SOLUTION: Since the time code values of event groups underlying an event becomes indefinite when an event editing operation is performed on an editing screen 401, the time code values are indicated to the operator to be indefinite by adding a question mark to the end of the time code values of indefinite event groups. COPYRIGHT: (C)2004,JPO
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