Sony DCR-TRV250 - Manual (Page 122)

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Recording video or TV programs
If you record a paused playback picture with the DV jack
The recorded picture becomes rough. When you play back the picture using your
camcorder, the picture may jitter.
Before recording
Make sure that the DV IN indicator appears on the screen of your camcorder by
pressing DISPLAY. The DV IN indicator may appear on both equipment.