A method of a power increasedecrease request of a user equipment in a wireless communication system using a plurality of frequencies is disclosed. The present invention further relates to an associated method. The content interrogation program can have multiple search terms and provide prioritized multiple searches to identify multiple segments to play in spaces created by blocked commercials. When the bedplate section is first pressed into the block section, at least one positioning groove located in a block section clamping surface is formed. Simultaneously with a fuse inserting operation, fuses to be inserted next are collected in the movable magazine 30. A music file recorded through overdubbing last time is automatically set as a playback music file for the next time, and a selected state of means for selecting executionnonexecution of overdubbing is maintained as the state of execution.