Sony SLV-SE230G - Manual (Page 65)

60 Searching using the index function (not available on SLV-SE230G/I)
Notes
• No index signal will be added when recording starts from recording pause.
However, an index signal will be marked if you change the programme position
during recording pause.
• When you press . (index search), if there is nothing recorded before the
selected index signal, playback may not start exactly at the index signal.