Grundig 30GB - Manual (Page 97)

97
Special Functions(Common to Video/Audio)
Bookmark
If you set a certain position in a file being played, the file is played from the specified point or the specified position is
searched and played, so that you can promptly search a desired position.
Book mark mode on/off
Bookmark mode on:
If you press the [A-B] button long during playing a file, ‘Bookmark
Mode On’ message is displayed to show bookmark mode activated.
Bookmark mode off:
If you press the [A-B] button long again in bookmark mode,
‘Bookmark Mode Off’ message is displayed to show bookmark
mode deactivated.