Ops 4–16 • Switcher Basics Vision Operator’s Manual (v12.0 MD)
Look Ahead Preview
The Look Ahead Preview feature allows you to view different preview outputs, depending on
whether or not the MLE is on-air. Look Ahead preview works differently than the standard
Preview, as, instead of displaying the output of just the Program or Preview, the output of the
Look Ahead preview changes depending on the on-air status of the MLE.
Note — Any Output BNC can be assigned as the Look Ahead preview for an MLE, except for
the Program/Preset MLE.
The output of the Look Ahead preview depends on whether the MLE is on-air or not:
• MLE Off-Air — The Look Ahead preview displays the Program output for the assigned
MLE. This is what is displayed when you take this MLE to air.
• MLE On-Air — The Look Ahead preview displays the Preview output for the assigned
MLE. This is what is taken to air if you transition this MLE.
For example, if you have MLE 4 on-air, the Look Ahead preview monitors display the Program
output for MLE 1, MLE 2 and MLE 3. If you re-enter MLE 3 into MLE 4, the Look Ahead
preview for MLE 1 and MLE 2 remain unchanged, but the Look Ahead preview for MLE 3
shows the Preview output for MLE 3.
For More Information...
• on assigning an Output BNC to Look Ahead preview, refer to the section “Configuring
Video Outputs” on page Eng 8-2.
Preview Overlay
The Preview Overlay Module (Figure 4.13) allows you to turn on and off specific elements of
the preview overlay. The menu systems will follow the activation of preview overlay elements,
allowing you to adjust each one.
The Preview Overlay is only available to the highest number MLE. If your control panel does not
have that MLE assigned to it, the Preview Overlay is not available.
Figure 4.13 Preview Overlay Module — Vision 4 Control Panel
Operating Tip — On the Vision 1 (Figure 4.14), the Preview Overlay functions can be
turned off and on from the Preview Menus. Navigate to the Preview Menu by pressing MENU
on the Preview Overlay Module.
Figure 4.14 Preview Overlay Module — Vision 1 Control Panel
For More Information...
• on assigning an Output BNC to Preview, or Preview with Overlay, refer to the section
“Configuring Video Outputs” on page Eng 8-2.
P
REVIEW
O
VERLAY
HIDE
OVLY
MASK
PV
TIME
CLOCK
CENTER
SAFE
TITLE
VTR
TC
SOURCE
ID
O
VERLAY
HIDE
OVLY
MENU
P
REVIEW
SRCPGMPV
MLE
PGM
MLE
PV
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