Filter
Top Products
56
DSR Series
(3) Sequence of OPEN PLAY and CLOSE
In the DSR-DR1000, since the OPEN PLAY command the CLOSE command are required as a pair, they
are described at the same time as follows.
Completion of the OPEN PLAY command the CLOSE command can be checked in the DSR-DR1000,
by the EJECT bit (bit-4) of the status data of the VTR command.
In the DSR-DR1000, a series of the OPEN PLAY command the CLOSE command are expected to be
issued and executed as described above as the correct sequence of operation.
At the timing 1, the DSR-DR1000 receives the CLOSE command and performs the CLOSE processing.
In order to check that the CLOSE processing is completed, the Status Sense is issued to the DSR-DR1000
at the timing 3 and the status data is returned at the timing 4. If the EJECT bit (bit-4) of the status data
is 1, completion of the CLOSE command is confirmed.
DSR-DR1000 receives the OPEN PLAY command at the timing 5, and performs the OPEN PLAY
processing. In order to check that the OPEN PLAY processing is completed, the Status Sense is issued to
the DSR-DR1000 at the timing 7 and the status data is returned at the timing 8. If the EJECT bit (bit-
4) of the status data is 0, completion of the OPEN PLAY command is confirmed.
Editor DSR-DR1000
1 Disk : Close
2 VTR : Ack
3 VTR : Status Sense
4 VTR : Status Data
5 Disk : Open Play
6 VTR : Ack
7 VTR : Status Sense
8 VTR : Status Data