| Operation | Description | |-----------|-------------| | | Isolate subtitle line(s) appearing at or near 02:30:59 | | Shift | Adjust all subtitles so that this timestamp aligns with a new video offset | | Convert | Change format (e.g., SRT → ASS) while preserving timing | | Resync | Apply a + or – delay (ms) to fix desync at 02:30:59 |

If you meant a different interpretation of "convert023059 min" or a different feature type, tell me which and I’ll update.