Start time, Play at, Stop at – Extron Electronics MS9500 HD FrEND Plus User Manual
Page 41
MS9500GL HD FrEND Plus
Chapter 4: Linear Timecode (LTC)
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Start Time
This is the timecode that will be generated when a play command is received after the clip is cued. If the Play At
(see below) option is not enabled, this will also be the point when video output begins. The Player will output this
timecode, as a “Jam Sync” signal, when a cue command is issued.
Play At
Select the Play At box and enter a time for clip playback to begin. The difference between the ‘Start Time’ and
‘Play At’ time is known as “pre-roll”, i.e. a period where timecode is generated before the video starts. This might
be used for pre show setup before the video begins.
Stop At
Select the Stop At option set a stop point for the timecode. This time can be before or after the end of the video
output. This might be used for controlling “post show” equipment such as fading house lights up. The Stop At
time is independent of the length of the MPEG clip. Stop At can be used to stop the timecode while the clip is still
playing, or extend the timecode after the clip has ended.
The following examples show some typical uses of the timecode generation options:
Generate a timecode starting at 01:00:00:00 when the play command is received.
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