Harris ADC 100, User Manual

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Harris ADC Device Server User’s Guide
3-6 Video Disk Configuration
Prerolls/Postrolls Tab
Instant Prerolls
Use Instant Prerolls . This function has a default of zero seconds, four frames. The values
can range from four frames to 59 seconds. Instant Preroll provides instant play/skip
capability to the device. When enabled, Instant Play Preroll is activated by pressing the
Instant button on the control panel. The preroll must be set to at least the minimum
switcher preroll or the disk port may start playing before the switcher switches. The
preroll also must be set to at least four frames greater than the Disk Preroll and Number of
Frames to Send Play Early (described below). Four frames is the minimum preroll allowed
by the ADC-100. If not configured properly, the list may stop. If Instant Preroll is set
longer than the List Preroll, instant play is actually a delayed play. The ADC-100/NT
operations rely on list preroll settings configured through the
Options menu, in Configure
Lists .
The Instant feature is designed for coming out of a live or upcounting event as fast as
possible when the next event has a near instant preroll. If you are using a master control
switcher, the preroll must not be shorter than the shortest preroll supported by the
switcher.
Device Postroll
Use Postroll . Default: Disabled, zero seconds, four frames. Range: four frames to 59
seconds. When enabled, this settings overrides other configured postroll settings. Device
postroll, if enabled, must be set to at least 4 frames. This feature allows the list to use one
postroll for VTRs, cart machines, and other devices, and a different postroll for video