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Chapter 4 Recording and Playback
Chapter 4 Recording and Playback 4-11
4-2-3 Dynamic Motion Control (DMC) Playback
DMC playback allows you to vary the playback speed
for a certain section of a tape, in variable speed mode
(from –1 to +3 times normal speed for digital Betacam
playback, from –1 to +3 times normal speed for MPEG
IMX playback, from –1 to +2 times normal speed for
Betacam SX playback, or from –1 to +3 times normal
speed for analog Betacam playback), and store the
varying speed in memory for later playback at the
same varying speed.
Stop
Waiting for the on-air cue
before starting DMC
playback
On-air start point Preroll point Speed variation start point
Speed variation end point
On-air end point
Press the REVIEW button again
at the on-air cue.
DMC playback
Normal speed playback
Stop
Starting DMC playback
immediately after preroll
DMC playback Normal speed playback
Press the REVIEW button.
Normal speed
playback
Normal speed
playback
Press the PREVIEW button.
For example, during a live broadcast of a sporting
event you can set the start and end points of highlights
while recording, and then provide immediate DMC
playback of those highlights.
During DMC playback the tape moves as shown in the
following figure.
Storing a varying playback speed in
memory
To store the playback speed for DMC playback, use
the following procedure.
Note
Make sure that the TSO PLAY of setup menu item 111
is set to DIS beforehand.
Overview
1 Press the DMC EDIT button, turning it on.
2 Either while playing back the recorded tape, or
during recording, press the ENTRY button and one
of the following buttons simultaneously, to set the
start and end points.
•On-air start point: AUDIO IN button
• Speed variation start point: IN button
• Speed variation end point: OUT button
•On-air end point: AUDIO OUT button
Each press turns the corresponding button on.
3 Press the search dial or the SHUTTLE button or
VAR button to enter shuttle/variable speed mode.
The SHUTTLE/VAR indicator lights.
(Continued)
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