Ops 5–4 • Transitions Vision Operator’s Manual (v12.0 MD)
PST BKGD
The Preset Background allows you to insert a transition to black as the next transition without
losing what is currently selected as the next transition.
When you select PST BKGD on the Transition Module, the MLE, or AuxKey is set as follows:
• The current Next Transition settings for the Transition Module are stored. This
includes what keyers were set to transition, and which ones were on-air.
• The current video sources selected on all buses are stored.
• Background (BKGD) plus any keyers (KEY X) that are on-air are selected for the Next
Transition.
• Dissolve (DISS) is set as the Transition Type.
Performing a transition on this Transition Module will dissolve to black. Once the transition is
performed, the PST BKGD is de-selected, and the Next Transition and video source settings are
recalled, with the exception of the Background bus, which remains at black.
Performing a second transition on this Transition Module will recall the video source settings
from the Background bus onto the Preview bus.
TRANS PV
The Transition Preview (TRANS PV) allows you to preview a complete transition on the
Preview output of the switcher. Instead of performing a standard transition on the Program
output, the transition is performed on the Preview output.
Note — A Transition Preview cannot include a key with a Squeeze & Tease transition. Only a
DISS or WIPE can be performed with a key.
When you select TRANS PV on the Transition Module, the current video shown on the
Program Output is also shown on the Preview Output. Performing a transition on this Transition
Module takes place entirely on the Preview Output, with the Program Output not being effected.
The Preview Output remains in Transition Preview mode until the TRANS PV is toggled off.
KEY PRIOR
The Key Priority (KEY PRIOR) allows you to change the priority of the keyers on the MLE. For
each MLE, the output of Keyer 4 appears over top of Keyer 3, which appears over top of
Keyer 2, which appears over top of Keyer 1 (Figure 5.5). With the Key Priority you can have the
output of any keyer appear over the other keyers on the same MLE. This can be performed as a
transition, for on-air Keyers, or a cut for off-air MLEs. Refer to the section “Key Priority
Transitions” on page Ops 5-21 for more information performing a Key Priority transition.
Figure 5.5 Normal Keyer Priority
For More Information...
• on key priority, Refer to the section “Video Layering” on page Ops 4-3.
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