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23
DSR Series
DATA-1
LSD
..... 8 BITS SPEED DATA : 00 TO FF (0 to 255 : DECIMAL)
MSD
24.32 : SYNC POINT PREROLL
The tape cueing is performed as the preliminary processing of the “24.34 : SYNC PLAY”
command. The preroll time is determined by the value which is set by the “44.31 : PREROLL
TIME PRESET” command.
[DATA-1 to DATA-4]
The sync point on a tape is specified.
For the data format, refer to “24.31: CUE UP WITH DATA”.
24.34 : SYNC PLAY
This command is used to enter playback after establishing the SYNC lock speed control between
the SYNC time on the timeline and the sync point on tape. If the system fails to establish the
sync lock speed control, the ABORT bit (DATA No. 9, bit-7) of STATUS is set to “1”.
The tape cue-up must have already been performed by executing the “24.32 : SYNC POINT
PREROLL” command beforehand.
[DATA-1 to DATA-4]
The SYNC point on a tape is specified.
For the data format, refer to “24.31 : CUE UP WITH DATA”.
The SYNC time is defined as the trigger time by the “4X.C4 : DEFINE EVENT” command.
21.38 : PROGRAM PLAY +
21.39 : PROGRAM PLAY _
This command is used to play back the DEVICE at the tape speed to ±25.5 % at every 0.1 %
step at the x1 PLAY speed in accordance with the SPEED DATA that is specified by the
DATA-1.
The relationship between the deviation (%) of the x1 PLAY speed and the SPEED DATA is
expressed with the following formula.
Deviation (%) = 0.1 x SPEED DATA (DECIMAL)
The DSR-2000/A is operated in units of 1 %.
20.3C : DMC PREROLL
This command is used for cueing up the DEVICE to the following point stored in the VAR
MEMORY mode.
IN POINT _ (stored first speed x PREROLL TIME)
20.40 : PREVIEW
20.41 : REVIEW
20.42 : AUTO EDIT
When receiving one of the above commands, the DEVICE will go into the specified mode.