MDS-W1 (serv.man2) - Sony Audio Service Manual (repair manual). Page 7

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Reference: When MOVE function has been stopped while in progress

With MOVE function, after all of the music data has been recorded to the disc in deck B, the UTOC (User-TOC, disc

management information) of both the master disc and disc that has been copied to will be overwritten simultaneously.

When MOVE function is stopped because the power supply cord has been unplugged or the like, if UTOC has yet to be

overwritten, both discs will be restored to the condition they were in prior to the start of the MOVE function. If the power
supply cord is unplugged during UTOC overwriting, UTOC data will be overwritten after the cord has been plugged back in,
and MOVE operations will be completed.

When recorded track is edited, the music data may be recorded in fragmented form on the disc. At this time, areas (of two

seconds or less) that cannot be recorded to will appear within the disc, decreasing the total recording time. In addition, because
the optical blocks must also be moved, more electric power is consumed than is prior to editing.

With the ALL MOVE function, the contents of a disc on which music data has been recorded in fragmented form are

digitally copied to a blank disc in deck B, with data given continuity. When all the music data has been copied, UTOC (disc
management information) will be simultaneously overwritten for both discs, resulting in a new disc in deck B and a blank disc
in deck A.

ALL MOVE can only be used when the data destination is a blank (empty) disc. Moreover, ALL MOVE cannot be used

when the blank disc in deck B has a shorter recording time than the disc in deck A.

With ALL MOVE, the compressed data recorded on a disc is dubbed as is, the same as for one-track MOVE function. (See p.
6, 1-3(1), "One-Track Move.")

Fig. 5. ALL MOVE

DEFRAG

DEFRAG

DEFRAG

DEFRAG

A DECK

A DECK

A DECK

A DECK

B DECK

B DECK

B DECK

B DECK